87311 (2000 QJ1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5121286409 ± 3.42e-08
Semi-major axis (a)1.5902953064 AU ± 2.23e-09
Inclination (i)7.69717451° ± 1.36e-06
Long. of Asc. Node (Ω)191.41204911° ± 1.02e-05
Arg. of Perihelion (ω)343.51122574° ± 1.16e-05
Mean Anomaly (M)329.27260980° ± 3.61e-06
Mean Motion (n)0.4914684127°/day ± 1.03e-09
Perihelion dist (q)0.77585953 AU ± 5.43e-08
Aphelion dist (Q)2.40473108 AU ± 5.44e-08
Orbital Period2.00547229 yr ± 4.21e-09
Physical Parameters
H (abs. magnitude)16.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.193″
Uncertainty0
Orbit TypeApollo
MOID0.108798 AU
Observations Used2159
Gaia Obs Used75
Oppositions17
Arc Total1982-2026
First Observation Used1982-08-16
Last Observation Used2026-01-11
Observations (2884)
Date Type RA Dec Mag Band Observatory
1982-08-16 14:47:03 22 21 13.82 -00 25 40.4 260
1982-08-16 15:47:02 22 21 10.10 -00 26 08.2 260
1988-08-12 07:34:59 22 20 05.55 -00 07 56.4 261
1988-08-12 08:44:59 22 20 01.93 -00 08 23.1 261
1990-07-24 10:02:00 22 42 34.16 +02 17 31.3 261
1990-07-24 11:12:00 22 42 31.13 +02 17 16.3 261
1990-08-17 07:38:00 22 11 06.04 -01 03 45.2 261
1990-08-17 08:37:59 22 11 02.19 -01 04 11.1 261
1998-07-20 18:54:50 C 22 40 01.73 +02 20 02.4 19.6 327
1998-07-20 19:09:12 C 22 40 01.17 +02 19 59.8 327
1998-07-20 19:23:59 C 22 40 00.51 +02 19 56.7 327
2000-08-21 05:58:03 C 21 54 54.61 -02 24 44.2 c 699
2000-08-21 06:27:29 C 21 54 52.63 -02 24 57.4 c 699
2000-08-21 06:56:54 C 21 54 50.87 -02 25 11.6 c 699
2000-08-21 07:26:20 C 21 54 48.88 -02 25 25.7 c 699
2000-08-22 20:56:26 C 21 52 29.99 -02 43 43.7 m 163
2000-08-22 21:02:38 C 21 52 29.61 -02 43 46.8 m 163
2000-08-22 21:07:52 C 21 52 29.30 -02 43 49.7 m 163
2000-08-22 23:00:42 C 21 52 22.23 -02 44 44.0 d 557
2000-08-22 23:08:30 C 21 52 21.68 -02 44 47.1 d 557
2000-08-23 16:31:54 C 21 51 17.62 -02 53 15.5 z 402
2000-08-23 16:35:32 C 21 51 17.50 -02 53 18.2 z 402
2000-08-23 16:37:22 C 21 51 17.31 -02 53 19.7 z 402
2000-08-23 20:46:05 C 21 51 02.59 -02 55 20.9 104
2000-08-23 20:51:30 C 21 51 02.22 -02 55 24.3 104
2000-08-23 21:02:50 C 21 51 01.55 -02 55 31.5 104
2000-08-23 21:19:55 C 21 51 00.42 -02 55 39.8 118
2000-08-23 21:30:16 C 21 50 59.88 -02 55 43.9 118
2000-08-23 21:33:56 C 21 50 59.57 -02 55 45.4 118
2000-08-24 07:20:09 C 21 50 23.85 -03 00 32.2 c 658
2000-08-24 07:26:06 C 21 50 23.48 -03 00 35.3 c 658
2000-08-24 07:29:49 C 21 50 23.29 -03 00 36.9 c 658
2000-08-24 20:46:56 C 21 49 35.22 -03 07 07.6 d 557
2000-08-24 20:59:11 C 21 49 34.39 -03 07 12.8 c 046
2000-08-24 21:02:07 C 21 49 34.25 -03 07 14.8 c 046
2000-08-24 21:03:28 C 21 49 34.14 -03 07 16.4 d 557
2000-08-24 21:03:33 C 21 49 34.17 -03 07 14.3 c 046
2000-08-24 21:05:03 C 21 49 34.00 -03 07 15.9 c 046
2000-08-24 21:40:52 C 21 49 31.97 -03 07 33.8 587
2000-08-31 07:51:27 C 21 40 37.35 -04 22 40.5 19.1 c 704
2000-08-31 08:13:12 C 21 40 36.17 -04 22 51.2 18.9 c 704
2000-08-31 08:32:46 C 21 40 35.08 -04 23 00.7 19.0 c 704
2000-08-31 08:53:27 C 21 40 33.88 -04 23 10.2 19.8 c 704
2000-08-31 13:12:51 C 21 40 19.94 -04 25 08.3 20.2 413
2000-08-31 13:15:09 C 21 40 19.80 -04 25 09.4 20.3 413
2000-08-31 13:17:25 C 21 40 19.67 -04 25 10.5 20.3 413
2002-07-15 10:14:41 C 22 40 50.09 +02 31 28.6 c 711
2002-07-15 10:23:25 C 22 40 49.76 +02 31 27.8 c 711
2002-07-15 10:33:33 C 22 40 49.38 +02 31 26.8 c 711
2002-07-15 10:42:14 C 22 40 49.13 +02 31 24.9 c 711