(489955) = 2008 RJ135

Discovered at Kitt Peak on 2008-09-02 by Spacewatch.

Orbit

Orbit type: Main Belt

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epoch2022-01-21.0
epoch JD2459600.5
perihelion date2021-01-01.80248
perihelion JD2459216.30248
argument of perihelion (°)349.22847
ascending node (°)4.13476
inclination (°)12.88912
eccentricity0.1939307
perihelion distance (AU)2.0751625
Tisserand w.r.t. Jupiter3.4
ΔV w.r.t. Earth (km/sec)9.8
semimajor axis (AU)2.5744219
mean anomaly (°)91.67245
mean daily motion (°/day)0.23860760
aphelion distance (AU)3.074
period (years)4.13
P-vector [x]0.99295927
P-vector [y]-0.08514535
P-vector [z]-0.08235387
Q-vector [x]0.11735932
Q-vector [y]0.80151620
Q-vector [z]0.58634339
absolute magnitude17.84
phase slope0.15
uncertainty0
referenceMPO 700734
observations used76
oppositions7
arc length (days)4394
first opposition used2008
last opposition used2020
residual rms (arc-secs)0.37
perturbers coarse indicatorM-v
perturbers precise indicator003Ek
first observation date used2008-09-02.0
last observation date used2020-09-13.0
computer namePan
JD of orbit computation2457849.355025
perihelion JD uncertainty (days)1.5602E-04
argument of perihelion uncertainty (°)9.0143E-05
ascending node uncertainty (°)3.4282E-05
inclination uncertainty (°)1.8283E-05
eccentricity uncertainty 1.3114E-06
perihelion distance uncertainty (AU)3.5888E-06
 Minimum Orbit Intersection Distances (in AU)
for orbit epoch: 2459200.5, reference: E2021-B25
Mercury1.69664
Venus1.34773
Earth1.06992
Mars0.6851
Jupiter2.3637
Saturn6.30939
Uranus15.2688
Neptune27.4977

Observations

76 total observations over interval: 2008 09 02.39100 – 2020 09 13.26876
These data are available for download (format description).

Date (UT) J2000 RA J2000 Dec Magn Location Ref
2008 09 02.39100 01 13 03.55 +06 30 40.0 20.6 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 311882
2008 09 02.40856 01 13 03.03 +06 30 45.9 20.6 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 311882
2008 09 02.42375 01 13 02.57 +06 30 51.5 20.7 V 691 – Steward Observatory, Kitt Peak-Spacewatch MPS 311882
2008 09 24.29728 00 55 54.57 +08 12 21.2 20.3   704 – Lincoln Laboratory ETS, New Mexico MPS 311882
2008 09 24.30924 00 55 53.63 +08 12 25.3 20.7   704 – Lincoln Laboratory ETS, New Mexico MPS 311882
2008 09 24.32120 00 55 53.01 +08 12 26.4 20.5   704 – Lincoln Laboratory ETS, New Mexico MPS 311882
2008 09 24.33318 00 55 52.17 +08 12 28.5 20.3   704 – Lincoln Laboratory ETS, New Mexico MPS 311882
2008 09 30.30658 00 49 21.68 +08 31 14.6 20.0   704 – Lincoln Laboratory ETS, New Mexico MPS 311882
2008 09 30.31891 00 49 20.78 +08 31 16.4 20.0   704 – Lincoln Laboratory ETS, New Mexico MPS 311882
2008 09 30.33120 00 49 19.91 +08 31 18.5 20.2   704 – Lincoln Laboratory ETS, New Mexico MPS 311882
2008 10 08.22848 00 40 26.40 +08 51 20.6 19.6 V G96 – Mt. Lemmon Survey MPS 311882
2008 10 08.23513 00 40 25.93 +08 51 21.8 19.5 V G96 – Mt. Lemmon Survey MPS 311882
2008 10 08.24175 00 40 25.46 +08 51 22.5 19.6 V G96 – Mt. Lemmon Survey MPS 311882
2008 10 08.24839 00 40 24.99 +08 51 23.7 19.4 V G96 – Mt. Lemmon Survey MPS 311882
2008 10 27.21290 00 22 09.08 +09 29 00.9 18.9 V G96 – Mt. Lemmon Survey MPS 311882
2008 10 27.21811 00 22 08.83 +09 29 02.1 19.1 V G96 – Mt. Lemmon Survey MPS 311882
2008 10 27.22333 00 22 08.54 +09 29 02.6 19.5 V G96 – Mt. Lemmon Survey MPS 311882
2008 10 27.22856 00 22 08.32 +09 29 03.2 19.9 V G96 – Mt. Lemmon Survey MPS 311882
2012 09 19.26244 23 11 41.31 -11 49 42.4 21.2 V 703 – Catalina Sky Survey MPS 441769
2012 09 19.26584 23 11 41.13 -11 49 43.2 20.7 V 703 – Catalina Sky Survey MPS 441769
2012 09 19.26920 23 11 40.92 -11 49 42.1 21.1 V 703 – Catalina Sky Survey MPS 441769
2012 09 19.27262 23 11 40.63 -11 49 40.6 20.0 V 703 – Catalina Sky Survey MPS 441769
2012 11 06.12736 22 52 58.83 -06 11 39.9 21.7 V G96 – Mt. Lemmon Survey MPS 441769
2012 11 06.13287 22 52 58.98 -06 11 36.9 21.7 V G96 – Mt. Lemmon Survey MPS 441769
2012 11 06.13830 22 52 59.08 -06 11 34.2 21.3 V G96 – Mt. Lemmon Survey MPS 441769
2012 11 06.14374 22 52 59.23 -06 11 30.9 21.2 V G96 – Mt. Lemmon Survey MPS 441769
2015 04 19.13382 13 03 37.21 -13 32 56.4 22.3 V W84 – Cerro Tololo-DECam MPS 785218
2015 04 19.13705 13 03 37.02 -13 32 55.8   W84 – Cerro Tololo-DECam MPS 785218
2015 04 19.14021 13 03 36.82 -13 32 55.4   W84 – Cerro Tololo-DECam MPS 785218
2015 04 19.14343 13 03 36.63 -13 32 54.9   W84 – Cerro Tololo-DECam MPS 785218
2015 04 19.14665 13 03 36.44 -13 32 54.4   W84 – Cerro Tololo-DECam MPS 785218
2015 04 22.13557 13 00 43.85 -13 24 53.6 22.3 V W84 – Cerro Tololo-DECam MPS 785218
2015 04 22.13878 13 00 43.66 -13 24 53.0   W84 – Cerro Tololo-DECam MPS 785218
2015 04 22.14205 13 00 43.47 -13 24 52.5   W84 – Cerro Tololo-DECam MPS 785218
2015 04 22.14526 13 00 43.28 -13 24 52.0   W84 – Cerro Tololo-DECam MPS 785218
2015 04 22.14851 13 00 43.08 -13 24 51.3   W84 – Cerro Tololo-DECam MPS 785218
2016 08 07.43984 22 02 09.613 -30 39 46.98 20.3 w F51 – Pan-STARRS 1, Haleakala MPS 723437
2016 08 07.45177 22 02 08.821 -30 39 47.47 20.2 w F51 – Pan-STARRS 1, Haleakala MPS 723437
2016 08 07.46372 22 02 08.024 -30 39 48.00 20.3 w F51 – Pan-STARRS 1, Haleakala MPS 723437
2016 08 07.47564 22 02 07.234 -30 39 48.59 20.3 w F51 – Pan-STARRS 1, Haleakala MPS 723437
2016 08 09.45928 21 59 59.656 -30 40 41.99 20.3 w F51 – Pan-STARRS 1, Haleakala MPS 723437
2016 08 09.47050 21 59 58.887 -30 40 42.16 20.2 w F51 – Pan-STARRS 1, Haleakala MPS 723437
2016 08 09.48170 21 59 58.117 -30 40 42.31 20.4 w F51 – Pan-STARRS 1, Haleakala MPS 723437
2016 08 27.36906 21 39 52.735 -30 03 39.24 20.4 w F51 – Pan-STARRS 1, Haleakala MPS 725585
2016 08 27.38969 21 39 51.345 -30 03 33.70 20.4 w F51 – Pan-STARRS 1, Haleakala MPS 725585
2016 08 27.39998 21 39 50.645 -30 03 30.94 20.4 w F51 – Pan-STARRS 1, Haleakala MPS 725585
2017 12 24.56827 08 35 50.016 +37 35 45.74 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 854237
2017 12 24.57929 08 35 49.411 +37 35 48.75 22.0 w F51 – Pan-STARRS 1, Haleakala MPS 854237
2017 12 24.59034 08 35 48.824 +37 35 52.46 22.0 w F51 – Pan-STARRS 1, Haleakala MPS 854237
2017 12 24.60140 08 35 48.261 +37 35 55.67 21.9 w F51 – Pan-STARRS 1, Haleakala MPS 854237
2018 01 13.46554 08 14 17.025 +38 53 14.07 21.6 w F51 – Pan-STARRS 1, Haleakala MPS 861681
2018 01 13.47624 08 14 16.200 +38 53 15.21 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 861681
2018 01 13.48688 08 14 15.391 +38 53 16.70 21.9 w F51 – Pan-STARRS 1, Haleakala MPS 861681
2018 01 13.49752 08 14 14.582 +38 53 17.95 21.7 w F51 – Pan-STARRS 1, Haleakala MPS 861681
2018 01 20.37008 08 05 35.617 +39 02 52.49 22.5 w F51 – Pan-STARRS 1, Haleakala MPS 864838
2018 01 20.38191 08 05 34.755 +39 02 52.62 21.6 w F51 – Pan-STARRS 1, Haleakala MPS 864838
2018 01 20.39369 08 05 33.838 +39 02 53.16 21.7 w F51 – Pan-STARRS 1, Haleakala MPS 864838
2018 01 20.40545 08 05 32.927 +39 02 53.85 21.5 w F51 – Pan-STARRS 1, Haleakala MPS 864838
2019 04 03.40407 12 39 04.100 -07 10 08.46 21.9 w F51 – Pan-STARRS 1, Haleakala MPS 986438
2019 04 03.43431 12 39 02.302 -07 10 03.71 21.9 w F51 – Pan-STARRS 1, Haleakala MPS 986438
2019 04 03.44945 12 39 01.380 -07 10 01.51 21.7 w F51 – Pan-STARRS 1, Haleakala MPS 986438
2020 05 28.55689 20 40 53.205 -37 30 00.11 21.8 w F51 – Pan-STARRS 1, Haleakala MPS 1199492
2020 05 28.56718 20 40 53.480 -37 30 03.27 21.7 w F51 – Pan-STARRS 1, Haleakala MPS 1199492
2020 05 28.57749 20 40 53.748 -37 30 06.73 21.9 w F51 – Pan-STARRS 1, Haleakala MPS 1199492
2020 05 28.58778 20 40 53.990 -37 30 09.21 21.6 w F51 – Pan-STARRS 1, Haleakala MPS 1199492
2020 06 16.49094 20 43 41.377 -39 15 15.01 21.0 w F51 – Pan-STARRS 1, Haleakala MPS 1204800
2020 06 16.50065 20 43 41.229 -39 15 18.46 21.1 w F51 – Pan-STARRS 1, Haleakala MPS 1204800
2020 06 16.51034 20 43 41.073 -39 15 22.27 21.1 w F51 – Pan-STARRS 1, Haleakala MPS 1204800
2020 06 28.48750 20 38 30.713 -40 25 20.54 20.8 w F51 – Pan-STARRS 1, Haleakala MPS 1209221
2020 06 28.49741 20 38 30.300 -40 25 23.78 20.9 w F51 – Pan-STARRS 1, Haleakala MPS 1209221
2020 06 28.50732 20 38 29.859 -40 25 27.29 20.9 w F51 – Pan-STARRS 1, Haleakala MPS 1209221
2020 06 28.51721 20 38 29.448 -40 25 30.46 20.9 w F51 – Pan-STARRS 1, Haleakala MPS 1209221
2020 09 13.23882 19 41 51.689 -35 59 39.36 21.0 w F51 – Pan-STARRS 1, Haleakala MPS 1284742
2020 09 13.24883 19 41 51.876 -35 59 32.80 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 1284742
2020 09 13.25880 19 41 52.043 -35 59 26.65 21.2 w F51 – Pan-STARRS 1, Haleakala MPS 1284742
2020 09 13.26876 19 41 52.218 -35 59 20.05 21.4 w F51 – Pan-STARRS 1, Haleakala MPS 1284742