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
2014-06-25 07:26:49 C 21 22 16.09 +09 25 20.7 u H21
2014-06-25 07:37:38 C 21 22 17.09 +09 25 28.4 u H21
2014-06-26 07:10:47 C 21 24 37.39 +09 42 06.8 q 703
2014-06-26 07:21:42 C 21 24 38.49 +09 42 14.6 q 703
2014-06-26 07:32:38 C 21 24 39.50 +09 42 22.9 q 703
2014-06-26 07:43:33 C 21 24 40.56 +09 42 30.6 q 703
2014-07-06 07:59:33 C 21 48 44.37 +12 14 21.0 q H45
2014-07-06 08:01:39 C 21 48 44.59 +12 14 22.3 q H45
2014-07-06 08:03:36 C 21 48 44.76 +12 14 23.5 q H45
2014-07-06 08:05:21 C 21 48 44.93 +12 14 24.3 q H45
2014-07-06 08:06:57 C 21 48 45.07 +12 14 25.0 q H45
2014-07-06 08:08:28 C 21 48 45.23 +12 14 26.3 q H45
2014-07-06 08:10:03 C 21 48 45.42 +12 14 27.1 q H45
2014-07-06 08:11:45 C 21 48 45.54 +12 14 28.1 q H45
2014-07-10 09:22:15 C 21 58 37.60 +13 04 08.5 q H45
2014-07-10 09:25:22 C 21 58 37.86 +13 04 10.7 q H45
2014-07-10 09:26:46 C 21 58 37.99 +13 04 11.3 q H45
2014-07-10 09:30:53 C 21 58 38.42 +13 04 12.8 q H45
2014-07-10 09:32:47 C 21 58 38.62 +13 04 13.3 q H45
2014-07-11 10:51:42 C 22 01 14.506 +13 15 53.40 L F51
2014-07-11 11:10:01 C 22 01 16.276 +13 16 01.79 L F51
2014-07-11 11:47:41 C 22 01 19.903 +13 16 18.86 L F51
2014-07-11 12:02:25 C 22 01 21.322 +13 16 25.55 L F51
2014-07-11 12:17:15 C 22 01 22.742 +13 16 32.23 L F51
2014-07-11 12:32:06 C 22 01 24.168 +13 16 38.94 L F51
2014-07-26 09:40:28 C 22 37 39.59 +14 43 49.5 R G45
2014-07-26 09:58:54 C 22 37 41.30 +14 43 49.7 R G45
2014-07-26 10:17:32 C 22 37 43.05 +14 43 49.8 R G45
2014-07-26 11:02:30 C 22 37 47.25 +14 43 50.0 R G45
2014-08-15 08:00:33 C 23 21 29.78 +11 53 52.5 u H21
2014-08-15 08:05:23 C 23 21 30.14 +11 53 49.2 u H21
2014-08-15 08:09:05 C 23 21 30.40 +11 53 46.4 u H21
2014-08-15 08:12:37 C 23 21 30.67 +11 53 43.9 u H21
2014-08-17 00:09:17 C 23 24 40.60 +11 23 22.5 q 160
2014-08-17 00:12:11 C 23 24 40.78 +11 23 19.9 q 160
2014-08-17 00:15:07 C 23 24 41.03 +11 23 17.9 q 160
2014-08-18 00:17:20 C 23 26 31.88 +11 03 55.2 q 160
2014-08-18 00:20:19 C 23 26 32.08 +11 03 52.8 q 160
2014-08-18 00:23:16 C 23 26 32.28 +11 03 50.2 q 160
2014-08-28 07:54:36 C 23 43 09.11 +07 01 48.3 q H15
2014-08-28 08:10:37 C 23 43 09.92 +07 01 30.8 q H15
2014-08-28 08:24:14 C 23 43 10.64 +07 01 15.1 q H15
2014-08-28 08:45:44 C 23 43 11.73 +07 00 51.5 q H15
2014-08-29 13:54:36 C 23 44 50.200 +06 28 19.73 L F51
2014-08-29 14:11:04 C 23 44 51.007 +06 28 00.97 L F51
2014-08-31 07:58:11 C 23 47 08.28 +05 40 08.5 q 703
2014-08-31 08:06:17 C 23 47 08.64 +05 39 59.1 q 703
2014-08-31 08:14:24 C 23 47 09.03 +05 39 49.4 q 703
2014-08-31 08:22:29 C 23 47 09.36 +05 39 40.2 q 703
2014-08-31 09:53:28 C 23 47 14.902 +05 38 00.56 L F51