(490423) = 2009 SP56

Discovered at Kitt Peak on 2009-09-17 by Spacewatch.

Orbit

Orbit type: Main Belt

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epoch2023-09-13.0
epoch JD2460200.5
perihelion date2024-04-29.06417
perihelion JD2460429.56417
argument of perihelion (°)176.34639
ascending node (°)233.82185
inclination (°)5.69543
eccentricity0.2209563
perihelion distance (AU)1.8266208
Tisserand w.r.t. Jupiter3.5
ΔV w.r.t. Earth (km/sec)8.6
semimajor axis (AU)2.3446961
mean anomaly (°)297.11730
mean daily motion (°/day)0.27452000
aphelion distance (AU)2.863
period (years)3.59
P-vector [x]0.64028147
P-vector [y]0.70221558
P-vector [z]0.31134052
Q-vector [x]-0.76395206
Q-vector [y]0.62440695
Q-vector [z]0.16276735
absolute magnitude18.82
phase slope0.15
uncertainty0
referenceMPEC 2023-O65
observations used85
oppositions6
arc length (days)5057
first opposition used2009
last opposition used2023
residual rms (arc-secs)0.32
perturbers coarse indicatorM-v
perturbers precise indicator003Ek
first observation date used2009-09-17.0
last observation date used2023-07-23.0
computer nameMPCLINUX
JD of orbit computation2457849.365435
perihelion JD uncertainty (days)9.1931E-05
argument of perihelion uncertainty (°)5.3941E-05
ascending node uncertainty (°)4.8172E-05
inclination uncertainty (°)4.6573E-06
eccentricity uncertainty 4.3612E-08
perihelion distance uncertainty (AU)1.0756E-07
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2460200.5, reference: E2023-O65
Mercury1.5109
Venus1.10467
Earth0.83619
Mars0.33178
Jupiter2.51373
Saturn6.94356
Uranus15.8113
Neptune27.7679

Observations

85 total observations over interval: 2009 09 17.35808 – 2023 07 23.458902
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2009 09 17.35808 01 41 48.17 +18 21 11.8 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 296067
2009 09 17.37573 01 41 47.97 +18 21 10.5 20.9 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 296067
2009 09 17.39092 01 41 47.78 +18 21 08.9 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 296067
2009 09 21.36517 01 40 55.33 +18 12 23.3 20.8 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 296067
2009 09 21.38283 01 40 54.97 +18 12 20.4 20.9 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 296067
2009 09 21.40051 01 40 54.61 +18 12 17.5 20.8 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 296067
2009 09 25.34712 01 39 32.79 +17 58 55.7 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297048
2009 09 25.36483 01 39 32.28 +17 58 51.4 20.5 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297048
2009 09 25.38252 01 39 31.79 +17 58 47.0 21.0 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297048
2009 09 29.33429 01 37 42.40 +17 40 45.2 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297867
2009 09 29.33675 01 37 42.34 +17 40 44.6 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297867
2009 09 29.35192 01 37 41.81 +17 40 40.0 20.6 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297867
2009 09 29.35438 01 37 41.75 +17 40 38.9 20.5 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297867
2009 09 29.36957 01 37 41.22 +17 40 34.9 20.3 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297867
2009 09 29.37203 01 37 41.13 +17 40 33.6 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 297867
2009 10 15.33672 01 26 57.69 +15 44 50.6 20.1 V G96 – Mt. Lemmon Survey MPS 299492
2009 10 15.34177 01 26 57.48 +15 44 48.1 20.2 V G96 – Mt. Lemmon Survey MPS 299492
2009 10 15.34681 01 26 57.22 +15 44 45.3 20.2 V G96 – Mt. Lemmon Survey MPS 299492
2009 10 15.35171 01 26 56.97 +15 44 42.5 20.1 V G96 – Mt. Lemmon Survey MPS 299492
2009 11 18.21898 01 09 12.56 +10 34 35.6 21.0 V G96 – Mt. Lemmon Survey MPS 303406
2009 11 18.22588 01 09 12.56 +10 34 32.7 21.0 V G96 – Mt. Lemmon Survey MPS 303406
2009 11 18.23288 01 09 12.45 +10 34 29.9 20.7 V G96 – Mt. Lemmon Survey MPS 303406
2009 11 18.23993 01 09 12.45 +10 34 27.0 20.8 V G96 – Mt. Lemmon Survey MPS 303406
2009 11 24.10700 01 09 32.97 +09 59 08.5 21.1 V G96 – Mt. Lemmon Survey MPS 305066
2009 11 24.11297 01 09 33.01 +09 59 06.4 22.0 V G96 – Mt. Lemmon Survey MPS 305066
2009 11 24.11885 01 09 33.08 +09 59 04.7 21.2 V G96 – Mt. Lemmon Survey MPS 305066
2009 11 24.12485 01 09 33.08 +09 59 02.7 21.1 V G96 – Mt. Lemmon Survey MPS 305066
2009 12 15.13667 01 20 40.41 +09 08 56.6 22.2 V G96 – Mt. Lemmon Survey MPS 307378
2009 12 15.14204 01 20 40.70 +09 08 56.9 22.5 V G96 – Mt. Lemmon Survey MPS 307378
2009 12 15.14749 01 20 40.92 +09 08 56.8 22.6 V G96 – Mt. Lemmon Survey MPS 307378
2009 12 15.15271 01 20 41.20 +09 08 57.0 22.3 V G96 – Mt. Lemmon Survey MPS 307378
2014 01 01.31945 08 46 23.65 +08 32 14.5 22.0 V G96 – Mt. Lemmon Survey MPS 500995
2014 01 01.32690 08 46 23.35 +08 32 13.8 21.4 V G96 – Mt. Lemmon Survey MPS 500995
2014 01 01.33434 08 46 22.98 +08 32 13.2 21.8 V G96 – Mt. Lemmon Survey MPS 500995
2014 01 01.34179 08 46 22.60 +08 32 13.4 21.0 V G96 – Mt. Lemmon Survey MPS 500995
2014 01 05.43187 08 43 06.150 +08 29 37.39 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 500995
2014 01 05.44700 08 43 05.340 +08 29 36.82 21.2 w F51 – Pan-STARRS 1, Haleakala MPS 500995
2014 01 05.46218 08 43 04.503 +08 29 36.58 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 500995
2014 01 05.47731 08 43 03.686 +08 29 36.76 21.3 w F51 – Pan-STARRS 1, Haleakala MPS 500995
2015 05 20.05070 15 06 17.90 -17 42 49.5 23.2 V W84 – Cerro Tololo-DECam MPS 785261
2015 05 20.05387 15 06 17.72 -17 42 48.4   W84 – Cerro Tololo-DECam MPS 785261
2015 05 20.05706 15 06 17.53 -17 42 47.3   W84 – Cerro Tololo-DECam MPS 785261
2015 05 20.06023 15 06 17.36 -17 42 46.3   W84 – Cerro Tololo-DECam MPS 785261
2015 05 20.06347 15 06 17.16 -17 42 45.2   W84 – Cerro Tololo-DECam MPS 785261
2015 05 21.05804 15 05 20.68 -17 37 11.9 23.2   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 21.06126 15 05 20.49 -17 37 11.0   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 21.06454 15 05 20.28 -17 37 09.9   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 21.06770 15 05 20.11 -17 37 08.8   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 21.07086 15 05 19.93 -17 37 07.9   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 22.13792 15 04 19.86 -17 31 11.9 23.0   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 22.14117 15 04 19.66 -17 31 10.9   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 22.14440 15 04 19.48 -17 31 10.0   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 22.14765 15 04 19.29 -17 31 08.9   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 22.15090 15 04 19.11 -17 31 07.9   W84 – Cerro Tololo-DECam MPS 1579680
2015 05 24.04962 15 02 34.40 -17 20 39.2 23.3 V W84 – Cerro Tololo-DECam MPS 785261
2015 05 24.05282 15 02 34.23 -17 20 38.1   W84 – Cerro Tololo-DECam MPS 785261
2015 05 24.05599 15 02 34.06 -17 20 37.0   W84 – Cerro Tololo-DECam MPS 785261
2015 05 24.05921 15 02 33.86 -17 20 36.1   W84 – Cerro Tololo-DECam MPS 785261
2015 05 24.06243 15 02 33.69 -17 20 34.9   W84 – Cerro Tololo-DECam MPS 785261
2016 08 26.39434 22 44 19.540 +03 25 26.47 20.9 w F51 – Pan-STARRS 1, Haleakala MPS 725597
2016 08 26.40657 22 44 18.877 +03 25 23.08 20.8 w F51 – Pan-STARRS 1, Haleakala MPS 725597
2016 08 26.41880 22 44 18.212 +03 25 20.00 21.0 w F51 – Pan-STARRS 1, Haleakala MPS 725597
2016 08 26.43102 22 44 17.555 +03 25 16.62 21.0 w F51 – Pan-STARRS 1, Haleakala MPS 725597
2016 08 30.24904 22 40 58.04 +03 06 24.2 20.7 V G96 – Mt. Lemmon Survey MPS 797913
2016 08 30.25804 22 40 57.54 +03 06 21.5 20.6 V G96 – Mt. Lemmon Survey MPS 797913
2016 08 30.26695 22 40 57.03 +03 06 18.6 21.0 V G96 – Mt. Lemmon Survey MPS 797913
2016 08 30.27591 22 40 56.49 +03 06 15.8 20.8 V G96 – Mt. Lemmon Survey MPS 797913
2016 09 04.24988 22 36 28.29 +02 37 12.3 20.7 V G96 – Mt. Lemmon Survey MPS 727741
2016 09 04.25441 22 36 28.11 +02 37 10.9 21.1 V G96 – Mt. Lemmon Survey MPS 727741
2016 09 04.25893 22 36 27.83 +02 37 08.5 20.5 V G96 – Mt. Lemmon Survey MPS 727741
2016 09 04.26344 22 36 27.54 +02 37 07.4 22.0 V G96 – Mt. Lemmon Survey MPS 727741
2016 10 06.23131 22 15 25.26 -01 14 30.3 21.0 V G96 – Mt. Lemmon Survey MPS 732364
2016 10 06.23564 22 15 25.21 -01 14 31.8 21.0 V G96 – Mt. Lemmon Survey MPS 732364
2016 10 06.24110 22 15 25.15 -01 14 34.2 20.7 V G96 – Mt. Lemmon Survey MPS 732364
2016 10 06.24547 22 15 25.01 -01 14 35.9 21.1 V G96 – Mt. Lemmon Survey MPS 732364
2020 10 13.457278 05 53 45.42 +22 46 44.3 21.61 G G96 – Mt. Lemmon Survey MPS 1284749
2020 10 13.462283 05 53 45.73 +22 46 42.8 22.04 G G96 – Mt. Lemmon Survey MPS 1284749
2020 10 13.467313 05 53 46.04 +22 46 42.0 21.57 G G96 – Mt. Lemmon Survey MPS 1284749
2020 12 15.317389 05 45 34.97 +17 15 31.9 20.62 G G96 – Mt. Lemmon Survey MPS 1328021
2020 12 15.322694 05 45 34.60 +17 15 30.7 19.78 G G96 – Mt. Lemmon Survey MPS 1328021
2020 12 15.327996 05 45 34.26 +17 15 29.8 19.85 G G96 – Mt. Lemmon Survey MPS 1328021
2020 12 15.333288 05 45 33.94 +17 15 27.5 20.32 G G96 – Mt. Lemmon Survey MPS 1328021
2023 07 23.429619 20 52 35.932 -07 39 23.17 21.78 w F51 – Pan-STARRS 1, Haleakala MPS 1935392
2023 07 23.439448 20 52 35.360 -07 39 23.82 21.74 w F51 – Pan-STARRS 1, Haleakala MPS 1935392
2023 07 23.458902 20 52 34.226 -07 39 25.51 21.59 w F51 – Pan-STARRS 1, Haleakala MPS 1935392