(494510) = 2016 XT9

Discovered at Mount Lemmon on 2011-12-26 by Mt. Lemmon Survey.

Orbit

Orbit type: Main Belt

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epoch2024-03-31.0
epoch JD2460400.5
perihelion date2021-09-29.72836
perihelion JD2459487.22837
argument of perihelion (°)98.45755
ascending node (°)284.96260
inclination (°)7.97886
eccentricity0.0862369
perihelion distance (AU)2.7602421
Tisserand w.r.t. Jupiter3.2
ΔV w.r.t. Earth (km/sec)10.6
semimajor axis (AU)3.0207414
mean anomaly (°)171.44851
mean daily motion (°/day)0.18773000
aphelion distance (AU)3.281
period (years)5.25
P-vector [x]0.90836416
P-vector [y]0.30778988
P-vector [z]0.28308999
Q-vector [x]-0.39609515
Q-vector [y]0.85035323
Q-vector [z]0.34642172
absolute magnitude16.63
phase slope0.15
uncertainty0
referenceE2024-G51
observations used154
oppositions11
arc length (days)6310
first opposition used2006
last opposition used2024
residual rms (arc-secs)0.82
perturbers coarse indicatorM-v
perturbers precise indicator003Ek
first observation date used2006-12-25.0
last observation date used2024-04-04.0
computer nameMPCLINUX
JD of orbit computation2457847.295697
perihelion JD uncertainty (days)1.8246E-03
argument of perihelion uncertainty (°)3.8872E-04
ascending node uncertainty (°)4.7332E-05
inclination uncertainty (°)4.4925E-06
eccentricity uncertainty 4.3597E-08
perihelion distance uncertainty (AU)1.3059E-07
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2460400.5, reference: E2024-G51
Mercury2.42746
Venus2.05205
Earth1.77852
Mars1.31418
Jupiter2.14401
Saturn6.07605
Uranus15.2458
Neptune27.0834

Observations

147 total observations over interval: 2006 12 25.23029 – 2023 01 15.426814
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2006 12 25.23029 06 59 03.06 +23 51 43.6 21.5 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 756003
2006 12 25.24760 06 59 02.07 +23 51 42.5 21.1 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 756003
2006 12 25.26494 06 59 01.04 +23 51 41.5 21.0 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 756003
2010 09 17.20487 21 55 29.92 -02 21 17.1 21.6 V G96 – Mt. Lemmon Survey MPS 756003
2010 09 17.21358 21 55 29.60 -02 21 18.6 21.6 V G96 – Mt. Lemmon Survey MPS 756003
2010 09 17.22234 21 55 29.28 -02 21 20.3 21.3 V G96 – Mt. Lemmon Survey MPS 756003
2010 09 17.23105 21 55 28.95 -02 21 21.9 21.1 V G96 – Mt. Lemmon Survey MPS 756003
2011 12 26.21762 04 58 10.02 +27 22 40.7 19.5 V G96 – Mt. Lemmon Survey MPS 756003
2011 12 26.22512 04 58 09.66 +27 22 38.6 20.2 V G96 – Mt. Lemmon Survey MPS 756003
2011 12 26.23260 04 58 09.26 +27 22 36.7 19.9 V G96 – Mt. Lemmon Survey MPS 756003
2011 12 26.24010 04 58 08.86 +27 22 34.6 20.3 V G96 – Mt. Lemmon Survey MPS 756003
2012 01 29.13517 04 44 03.37 +25 10 32.8 22.1 V G96 – Mt. Lemmon Survey MPS 756003
2012 01 29.14212 04 44 03.33 +25 10 31.1 21.8 V G96 – Mt. Lemmon Survey MPS 756003
2012 01 29.14902 04 44 03.37 +25 10 30.2 21.3 V G96 – Mt. Lemmon Survey MPS 756003
2012 01 29.15593 04 44 03.33 +25 10 28.5 21.1 V G96 – Mt. Lemmon Survey MPS 756003
2014 04 28.33484 15 19 05.41 -28 02 47.7 21.0 V W84 – Cerro Tololo-DECam MPS 785749
2014 04 28.33820 15 19 05.25 -28 02 47.1   W84 – Cerro Tololo-DECam MPS 785749
2014 04 28.34152 15 19 05.08 -28 02 46.6   W84 – Cerro Tololo-DECam MPS 785749
2014 04 28.34478 15 19 04.92 -28 02 45.8   W84 – Cerro Tololo-DECam MPS 785749
2014 04 28.34804 15 19 04.75 -28 02 45.6   W84 – Cerro Tololo-DECam MPS 785749
2014 04 29.32459 15 18 18.44 -27 59 59.7 21.2 V W84 – Cerro Tololo-DECam MPS 785749
2014 04 29.32778 15 18 18.28 -27 59 59.1   W84 – Cerro Tololo-DECam MPS 785749
2014 04 29.33104 15 18 18.12 -27 59 58.5   W84 – Cerro Tololo-DECam MPS 785749
2014 04 29.33428 15 18 17.96 -27 59 57.9   W84 – Cerro Tololo-DECam MPS 785749
2014 04 29.33744 15 18 17.81 -27 59 57.4   W84 – Cerro Tololo-DECam MPS 785749
2014 05 02.34325 15 15 51.86 -27 50 42.2 21.3 V W84 – Cerro Tololo-DECam MPS 785749
2014 05 02.34644 15 15 51.70 -27 50 41.6   W84 – Cerro Tololo-DECam MPS 785749
2014 05 02.34963 15 15 51.54 -27 50 41.0   W84 – Cerro Tololo-DECam MPS 785749
2014 05 02.35279 15 15 51.38 -27 50 40.3   W84 – Cerro Tololo-DECam MPS 785749
2014 05 02.35599 15 15 51.22 -27 50 39.6   W84 – Cerro Tololo-DECam MPS 785749
2014 05 23.37462 14 58 23.170 -26 20 31.85 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2014 05 23.38582 14 58 22.648 -26 20 28.29 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2014 05 23.39703 14 58 22.111 -26 20 25.19 21.3 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2014 05 23.40825 14 58 21.557 -26 20 21.55 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2015 09 08.37418 20 23 51.896 -12 57 54.06 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2015 09 08.38623 20 23 51.602 -12 57 54.76 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2015 09 08.39829 20 23 51.313 -12 57 54.98 21.7 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2015 09 08.41041 20 23 51.054 -12 57 55.58 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 756004
2016 10 26.46830 03 38 12.25 +29 33 53.9 20.2 V G96 – Mt. Lemmon Survey MPS 749733
2016 10 26.47267 03 38 12.02 +29 33 54.1 20.3 V G96 – Mt. Lemmon Survey MPS 749733
2016 10 26.48436 03 38 11.45 +29 33 53.0 21.1 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 02.35155 03 32 50.20 +29 15 41.7 20.3 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 11 02.35620 03 32 49.97 +29 15 40.6 20.8 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 11 02.36079 03 32 49.75 +29 15 39.8 20.4 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 11 05.17051 03 30 26.80 +29 06 02.3 20.5 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 11 05.17686 03 30 26.47 +29 06 00.7 20.6 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 11 05.18327 03 30 26.13 +29 05 59.0 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 11 06.36484 03 29 24.13 +29 01 35.9 20.0 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 06.36920 03 29 23.82 +29 01 34.3 20.3 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 06.37354 03 29 23.61 +29 01 33.3 20.2 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 06.37783 03 29 23.36 +29 01 32.9 20.7 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 18.28243 03 18 41.39 +28 06 29.1 20.0 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 18.28674 03 18 41.17 +28 06 27.2 20.2 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 18.29108 03 18 40.91 +28 06 26.0 20.0 V G96 – Mt. Lemmon Survey MPS 749733
2016 11 18.29539 03 18 40.66 +28 06 23.9 19.8 V G96 – Mt. Lemmon Survey MPS 749733
2016 12 04.26134 03 05 46.32 +26 32 34.0 20.6 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 12 04.27007 03 05 45.96 +26 32 30.9 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 12 04.27860 03 05 45.62 +26 32 27.5 20.6 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 12 05.25006 03 05 06.66 +26 26 29.9 20.4 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 12 05.25660 03 05 06.41 +26 26 27.5 20.5 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 12 05.26326 03 05 06.14 +26 26 24.8 21.2 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 749733
2016 12 06.22297 03 04 28.86 +26 20 33.4   G96 – Mt. Lemmon Survey MPS 749733
2016 12 06.22730 03 04 28.75 +26 20 30.9 20.4 V G96 – Mt. Lemmon Survey MPS 749733
2016 12 06.23161 03 04 28.57 +26 20 29.1 20.9 V G96 – Mt. Lemmon Survey MPS 749733
2016 12 06.23589 03 04 28.39 +26 20 27.2 20.7 V G96 – Mt. Lemmon Survey MPS 749733
2016 12 18.09666 02 58 36.61 +25 10 45.9 21.4 V G96 – Mt. Lemmon Survey MPS 752880
2016 12 18.10096 02 58 36.49 +25 10 45.5 20.7 V G96 – Mt. Lemmon Survey MPS 752880
2016 12 18.10524 02 58 36.41 +25 10 43.4 21.4 V G96 – Mt. Lemmon Survey MPS 752880
2016 12 18.10953 02 58 36.31 +25 10 41.7   G96 – Mt. Lemmon Survey MPS 752880
2018 02 11.43966 09 35 10.992 +06 42 20.01 21.3 w F51 – Pan-STARRS 1, Haleakala MPS 870046
2018 02 11.45173 09 35 10.370 +06 42 21.96 21.3 w F51 – Pan-STARRS 1, Haleakala MPS 870046
2018 02 11.46380 09 35 09.733 +06 42 23.64 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 870046
2018 03 17.33156 09 11 52.357 +08 14 05.79 21.9 w F51 – Pan-STARRS 1, Haleakala MPS 878879
2018 03 17.34424 09 11 52.051 +08 14 07.37 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 878879
2018 03 17.35697 09 11 51.722 +08 14 08.99 22.1 w F51 – Pan-STARRS 1, Haleakala MPS 878879
2018 03 17.36965 09 11 51.376 +08 14 10.83 22.0 w F51 – Pan-STARRS 1, Haleakala MPS 878879
2019 05 31.32558 13 32 18.867 -20 03 44.34 21.5 w F51 – Pan-STARRS 1, Haleakala MPS 1012378
2019 05 31.33760 13 32 18.647 -20 03 40.84 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 1012378
2019 05 31.34967 13 32 18.381 -20 03 37.20 21.6 w F51 – Pan-STARRS 1, Haleakala MPS 1012378
2021 08 07.528358 01 48 07.018 +21 06 49.52 21.57 w F51 – Pan-STARRS 1, Haleakala MPS 1444574
2021 08 07.542635 01 48 07.467 +21 06 54.86 21.54 w F51 – Pan-STARRS 1, Haleakala MPS 1444574
2021 08 07.556900 01 48 07.920 +21 07 00.35 21.62 w F51 – Pan-STARRS 1, Haleakala MPS 1444574
2021 08 08.535196 01 48 38.831 +21 13 02.88 21.59 w F51 – Pan-STARRS 1, Haleakala MPS 1444574
2021 08 08.559815 01 48 39.568 +21 13 11.91 21.65 w F51 – Pan-STARRS 1, Haleakala MPS 1444574
2021 08 08.572294 01 48 39.936 +21 13 16.46 21.34 w F51 – Pan-STARRS 1, Haleakala MPS 1444574
2021 08 09.514353 01 49 08.655 +21 19 00.12 21.69 w F51 – Pan-STARRS 1, Haleakala MPS 1444575
2021 08 09.523763 01 49 08.932 +21 19 03.58 21.65 w F51 – Pan-STARRS 1, Haleakala MPS 1444575
2021 08 09.533216 01 49 09.193 +21 19 07.00 21.68 w F51 – Pan-STARRS 1, Haleakala MPS 1444575
2021 08 09.542668 01 49 09.474 +21 19 10.47 21.87 w F51 – Pan-STARRS 1, Haleakala MPS 1444575
2021 09 04.502755 01 54 41.008 +23 17 53.50 21.10 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 04.516172 01 54 40.917 +23 17 55.82 21.12 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 04.529649 01 54 40.808 +23 17 58.25 21.06 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 04.543203 01 54 40.706 +23 18 00.53 20.98 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 05.434676 01 54 35.098 +23 20 29.13 21.02 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 05.446839 01 54 35.005 +23 20 31.23 21.00 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 05.458981 01 54 34.891 +23 20 33.13 21.08 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 05.471098 01 54 34.789 +23 20 35.38 21.20 w F52 – Pan-STARRS 2, Haleakala MPS 1459348
2021 09 16.74965 01 51 38.74 +23 40 34.2 20.6 R D29 – Purple Mountain Observatory, XuYi Station MPS 1470313
2021 09 16.76379 01 51 38.41 +23 40 35.2 20.6 R D29 – Purple Mountain Observatory, XuYi Station MPS 1470313
2021 09 29.81918 01 44 36.89 +23 34 46.4 19.7 R D29 – Purple Mountain Observatory, XuYi Station MPS 1487393
2021 09 29.83332 01 44 36.33 +23 34 45.1 20.6 R D29 – Purple Mountain Observatory, XuYi Station MPS 1487393
2021 09 29.84746 01 44 35.78 +23 34 43.6 20.0 R D29 – Purple Mountain Observatory, XuYi Station MPS 1487393
2021 10 02.547348 01 42 44.311 +23 29 23.64 20.64 w F52 – Pan-STARRS 2, Haleakala MPS 1487393
2021 10 02.560108 01 42 43.756 +23 29 21.90 20.76 w F52 – Pan-STARRS 2, Haleakala MPS 1487393
2021 10 02.572928 01 42 43.192 +23 29 20.03 20.70 w F52 – Pan-STARRS 2, Haleakala MPS 1487393
2021 10 02.585706 01 42 42.623 +23 29 18.29 20.66 w F52 – Pan-STARRS 2, Haleakala MPS 1487393
2021 10 13.226409 01 34 30.31 +22 54 34.0 20.40 G G96 – Mt. Lemmon Survey MPS 1487393
2021 10 13.231182 01 34 30.06 +22 54 32.7   G96 – Mt. Lemmon Survey MPS 1487393
2021 10 13.240754 01 34 29.59 +22 54 30.3 20.89 G G96 – Mt. Lemmon Survey MPS 1487393
2021 10 14.491789 01 33 28.020 +22 49 07.43 20.23 w F52 – Pan-STARRS 2, Haleakala MPS 1487393
2021 10 14.504575 01 33 27.366 +22 49 04.03 20.30 w F52 – Pan-STARRS 2, Haleakala MPS 1487393
2021 10 14.517396 01 33 26.717 +22 49 00.49 20.31 w F52 – Pan-STARRS 2, Haleakala MPS 1487393
2021 10 27.186761 01 23 09.54 +21 41 52.3 20.49 G G96 – Mt. Lemmon Survey MPS 1511081
2021 10 27.192024 01 23 09.28 +21 41 50.5 20.21 G G96 – Mt. Lemmon Survey MPS 1511081
2021 10 27.197299 01 23 09.06 +21 41 48.4 20.46 G G96 – Mt. Lemmon Survey MPS 1511081
2021 10 27.202564 01 23 08.79 +21 41 46.8 20.35 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.222729 01 15 21.44 +20 32 01.3 20.42 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.228028 01 15 21.21 +20 31 59.4 20.31 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.233326 01 15 21.03 +20 31 57.6 20.62 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.238624 01 15 20.81 +20 31 55.0 20.71 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.345795 01 15 16.69 +20 31 13.1 20.33 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.348971 01 15 16.56 +20 31 12.0 20.56 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.352947 01 15 16.44 +20 31 10.0 20.17 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 07.356120 01 15 16.31 +20 31 08.9 19.92 G G96 – Mt. Lemmon Survey MPS 1511081
2021 11 23.208227 01 08 15.885 +18 53 14.15 20.77 w F52 – Pan-STARRS 2, Haleakala MPS 1516964
2021 11 23.221596 01 08 15.661 +18 53 09.84 20.89 w F52 – Pan-STARRS 2, Haleakala MPS 1516964
2021 11 23.234882 01 08 15.440 +18 53 05.35 20.70 w F52 – Pan-STARRS 2, Haleakala MPS 1516964
2021 11 23.248178 01 08 15.222 +18 53 00.90 20.83 w F52 – Pan-STARRS 2, Haleakala MPS 1516964
2021 11 26.216816 01 07 36.782 +18 36 49.45 20.91 w F51 – Pan-STARRS 1, Haleakala MPS 1524201
2021 11 26.229073 01 07 36.634 +18 36 45.59 21.07 w F51 – Pan-STARRS 1, Haleakala MPS 1524201
2021 11 26.241369 01 07 36.476 +18 36 41.77 20.77 w F51 – Pan-STARRS 1, Haleakala MPS 1524201
2021 11 26.253727 01 07 36.328 +18 36 37.88 20.78 w F51 – Pan-STARRS 1, Haleakala MPS 1524201
2021 11 29.054406 01 07 12.60 +18 22 14.9 21.01 G G96 – Mt. Lemmon Survey MPS 1524201
2021 11 29.061194 01 07 12.55 +18 22 13.0 20.52 G G96 – Mt. Lemmon Survey MPS 1524201
2021 11 29.066850 01 07 12.49 +18 22 11.6 20.55 G G96 – Mt. Lemmon Survey MPS 1524201
2021 11 29.072512 01 07 12.45 +18 22 09.6 20.45 G G96 – Mt. Lemmon Survey MPS 1524201
2022 01 06.092106 01 20 34.77 +16 56 46.5 22.01 G G96 – Mt. Lemmon Survey MPS 1534789
2022 01 06.097797 01 20 34.99 +16 56 45.1 21.46 G G96 – Mt. Lemmon Survey MPS 1534789
2022 01 06.103485 01 20 35.24 +16 56 46.0 21.69 G G96 – Mt. Lemmon Survey MPS 1534789
2022 01 06.109171 01 20 35.53 +16 56 46.1 22.32 G G96 – Mt. Lemmon Survey MPS 1534789
2023 01 14.385058 08 28 03.655 +15 36 27.77 21.38 w F52 – Pan-STARRS 2, Haleakala MPS 1736633
2023 01 14.396421 08 28 03.036 +15 36 28.09 21.63 w F52 – Pan-STARRS 2, Haleakala MPS 1736633
2023 01 14.407828 08 28 02.437 +15 36 28.61 21.43 w F52 – Pan-STARRS 2, Haleakala MPS 1736633
2023 01 14.419228 08 28 01.831 +15 36 28.94 21.61 w F52 – Pan-STARRS 2, Haleakala MPS 1736633
2023 01 15.404993 08 27 09.953 +15 37 06.06 21.31 w F52 – Pan-STARRS 2, Haleakala MPS 1736633
2023 01 15.415876 08 27 09.357 +15 37 06.51 21.43 w F52 – Pan-STARRS 2, Haleakala MPS 1736633
2023 01 15.426814 08 27 08.747 +15 37 06.88 21.48 w F52 – Pan-STARRS 2, Haleakala MPS 1736633