399307 (1991 RJ2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4280928186 ± 2.51e-08
Semi-major axis (a)2.2097660994 AU ± 1.66e-09
Inclination (i)8.95431265° ± 3.16e-06
Long. of Asc. Node (Ω)171.64362512° ± 9.68e-06
Arg. of Perihelion (ω)151.12925957° ± 1.22e-05
Mean Anomaly (M)157.06565460° ± 3.94e-06
Mean Motion (n)0.3000494370°/day ± 3.39e-10
Perihelion dist (q)1.26378110 AU ± 5.54e-08
Aphelion dist (Q)3.15575110 AU ± 5.54e-08
Orbital Period3.28487963 yr ± 3.71e-09
Physical Parameters
H (abs. magnitude)18.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.248″
Uncertainty0
Orbit TypeAmor
MOID0.261649 AU
Observations Used282
Oppositions23
Arc Total1991-2024
First Observation Used1991-09-08
Last Observation Used2024-12-23
Observations (290)
Date Type RA Dec Mag Band Observatory
2014-09-26 01:06:15 C 00 08 15.36 -05 43 00.0 q 160
2014-09-26 07:16:13 C 00 08 23.87 -05 48 16.5 q 703
2014-09-26 07:30:47 C 00 08 24.08 -05 48 29.1 q 703
2014-09-26 07:45:20 C 00 08 24.28 -05 48 41.5 q 703
2014-09-26 07:59:51 C 00 08 24.50 -05 48 53.9 q 703
2014-09-26 23:32:09 C 00 08 44.35 -06 02 10.8 q 160
2014-09-26 23:35:34 C 00 08 44.39 -06 02 14.3 q 160
2014-09-26 23:38:56 C 00 08 44.47 -06 02 16.6 q 160
2014-09-27 22:11:39 C 00 09 13.03 -06 20 55.5 q 160
2014-09-27 22:14:27 C 00 09 13.08 -06 20 57.9 q 160
2014-09-27 22:17:16 C 00 09 13.12 -06 21 00.2 q 160
2014-09-28 21:19:11 C 00 09 41.32 -06 39 24.4 q 089
2014-09-28 21:21:53 C 00 09 41.37 -06 39 25.7 q 089
2014-09-28 21:24:36 C 00 09 41.42 -06 39 28.0 q 089
2014-09-28 21:27:18 C 00 09 41.46 -06 39 30.4 q 089
2014-09-28 21:30:01 C 00 09 41.49 -06 39 32.5 q 089
2014-09-28 21:32:43 C 00 09 41.53 -06 39 34.0 q 089
2014-09-28 21:35:25 C 00 09 41.56 -06 39 36.3 q 089
2014-09-28 21:38:08 C 00 09 41.59 -06 39 38.7 q 089
2014-09-28 21:40:50 C 00 09 41.65 -06 39 41.0 q 089
2014-09-28 21:43:32 C 00 09 41.66 -06 39 43.0 q 089
2014-09-28 23:51:34 C 00 09 44.04 -06 41 21.9 q 160
2014-09-28 23:54:56 C 00 09 44.12 -06 41 24.8 q 160
2014-09-28 23:58:19 C 00 09 44.16 -06 41 27.2 q 160
2014-10-02 04:20:06 C 00 11 17.25 -07 37 09.8 q H15
2014-10-02 04:35:06 C 00 11 17.44 -07 37 20.3 q H15
2014-10-02 04:49:45 C 00 11 17.70 -07 37 30.1 q H15
2014-10-02 05:05:06 C 00 11 17.94 -07 37 40.8 q H15
2014-10-02 06:26:17 C 00 11 19.18 -07 38 35.6 q 703
2014-10-02 06:41:11 C 00 11 19.40 -07 38 45.4 q 703
2014-10-02 06:59:34 C 00 11 19.66 -07 38 57.7 q 703
2014-10-02 07:14:26 C 00 11 19.89 -07 39 08.4 q 703
2014-10-03 21:35:58 C 00 12 06.10 -08 04 10.4 q 160
2014-10-03 21:38:54 C 00 12 06.16 -08 04 11.8 q 160
2014-10-03 21:41:49 C 00 12 06.21 -08 04 14.1 q 160
2014-10-04 20:21:27 C 00 12 33.59 -08 18 04.1 q 160
2014-10-04 20:24:25 C 00 12 33.66 -08 18 06.0 q 160
2014-10-04 20:27:24 C 00 12 33.69 -08 18 08.3 q 160
2014-10-23 04:26:45 C 00 22 24.81 -10 41 53.5 R G45
2014-10-23 04:49:35 C 00 22 25.38 -10 41 54.7 R G45
2014-10-23 04:49:41 C 00 22 25.32 -10 41 54.7 R G45
2014-10-23 04:51:09 C 00 22 25.36 -10 41 55.0 R G45
2014-10-23 05:30:09 C 00 22 26.28 -10 41 58.8 R G45
2014-10-23 05:50:32 C 00 22 26.69 -10 41 59.8 R G45
2014-10-23 05:51:59 C 00 22 26.71 -10 41 59.6 R G45
2014-10-23 05:52:05 C 00 22 26.76 -10 41 59.8 R G45
2014-10-24 04:52:49 C 00 23 04.01 -10 43 36.8 R G45
2014-10-24 05:08:50 C 00 23 04.40 -10 43 37.9 R G45
2014-10-24 05:24:47 C 00 23 04.75 -10 43 39.2 R G45
2014-10-24 05:40:43 C 00 23 05.10 -10 43 39.4 R G45