251346 (2007 SJ)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5332354919 ± 3.92e-09
Semi-major axis (a)2.0148109275 AU ± 7.47e-09
Inclination (i)8.18204835° ± 9.31e-07
Long. of Asc. Node (Ω)306.75711472° ± 6.21e-06
Arg. of Perihelion (ω)175.24975270° ± 7.18e-06
Mean Anomaly (M)48.92574859° ± 8.13e-06
Mean Motion (n)0.3446361497°/day ± 1.92e-09
Perihelion dist (q)0.94044223 AU ± 8.64e-09
Aphelion dist (Q)3.08917962 AU ± 1.39e-08
Orbital Period2.85990394 yr ± 1.59e-08
Physical Parameters
H (abs. magnitude)16.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.223″
Uncertainty0
Orbit TypeApollo
MOID0.041856 AU
Observations Used960
Radar Obs Used2
Gaia Obs Used13
Oppositions18
Arc Total1990-2024
First Observation Used1990-10-14
Last Observation Used2024-12-30
Observations (1037)
Date Type RA Dec Mag Band Observatory
2013-10-27 20:15:43 C 01 40 44.47 +39 54 54.5 r 006
2013-10-29 17:52:54 C 01 36 43.55 +40 18 12.0 q L22
2013-10-29 17:56:02 C 01 36 43.25 +40 18 13.4 q L22
2013-10-29 17:59:10 C 01 36 42.96 +40 18 15.2 q L22
2013-10-29 18:02:19 C 01 36 42.65 +40 18 16.7 q L22
2013-10-29 18:05:27 C 01 36 42.28 +40 18 18.7 q L22
2013-10-29 18:08:35 C 01 36 42.04 +40 18 20.1 q L22
2013-10-29 18:11:12 C 01 36 41.83 +40 18 21.4 q L22
2013-10-31 19:32:25 C 01 32 04.85 +40 41 49.7 q G34
2013-10-31 19:36:53 C 01 32 04.46 +40 41 52.1 q G34
2013-10-31 19:41:21 C 01 32 04.03 +40 41 54.1 q G34
2013-10-31 19:45:51 C 01 32 03.56 +40 41 55.8 q G34
2013-10-31 20:20:52 C 01 32 00.14 +40 42 14.2 o B67
2013-10-31 21:06:35 C 01 31 55.49 +40 42 35.8 o B67
2013-10-31 21:35:47 C 01 31 52.73 +40 42 50.7 r 006
2013-10-31 21:48:08 C 01 31 51.47 +40 42 57.0 r 006
2013-10-31 21:52:29 C 01 31 50.80 +40 42 57.3 o B67
2013-10-31 21:58:16 C 01 31 50.48 +40 43 01.1 r 006
2013-11-02 07:59:05 C 01 28 28.67 +40 57 56.8 q H45
2013-11-02 08:00:38 C 01 28 28.52 +40 57 57.3 q H45
2013-11-02 08:01:52 C 01 28 28.39 +40 57 57.7 q H45
2013-11-02 08:03:14 C 01 28 28.25 +40 57 58.2 q H45
2013-11-02 08:04:29 C 01 28 28.12 +40 57 58.8 q H45
2013-11-02 08:06:16 C 01 28 27.93 +40 57 59.3 q H45
2013-11-02 20:19:14 C 01 27 16.29 +41 03 06.8 r 006
2013-11-02 20:29:00 C 01 27 15.25 +41 03 10.6 r 006
2013-11-02 20:38:45 C 01 27 14.23 +41 03 15.3 r 006
2013-11-03 03:34:47 C 01 26 32.42 +41 06 06.3 P U82
2013-11-03 04:22:03 C 01 26 27.33 +41 06 27.2 P U82
2013-11-03 05:10:58 C 01 26 22.03 +41 06 47.9 P U82
2013-11-03 05:39:52 C 01 26 18.18 +41 07 02.2 i G41
2013-11-03 05:52:41 C 01 26 16.78 +41 07 07.5 i G41
2013-11-03 06:04:26 C 01 26 15.52 +41 07 11.7 i G41
2013-11-03 06:15:02 C 01 26 14.37 +41 07 15.9 i G41
2013-11-05 02:43:10 C 01 21 38.64 +41 24 12.3 P U82
2013-11-05 03:31:59 C 01 21 33.21 +41 24 31.9 P U82
2013-11-05 04:19:16 C 01 21 27.90 +41 24 50.5 P U82
2013-11-05 05:09:14 C 01 21 22.23 +41 25 09.5 P U82
2013-11-05 05:56:49 C 01 21 16.81 +41 25 27.0 P U82
2013-11-06 03:21:55 C 01 19 00.18 +41 32 51.4 P U82
2013-11-06 04:11:39 C 01 18 54.46 +41 33 09.7 P U82
2013-11-06 04:58:56 C 01 18 49.01 +41 33 26.6 P U82
2013-11-06 05:47:23 C 01 18 43.44 +41 33 43.1 P U82
2013-11-10 18:37:55 C 01 06 33.91 +42 03 55.6 q K48
2013-11-10 18:44:52 C 01 06 33.08 +42 03 57.3 q K48
2013-11-10 18:47:57 C 01 06 32.73 +42 03 57.9 q K48
2013-11-10 18:51:04 C 01 06 32.35 +42 03 58.9 q K48
2013-11-10 18:54:12 C 01 06 31.96 +42 03 59.5 q K48
2013-11-10 18:57:17 C 01 06 31.60 +42 04 00.3 q K48
2013-11-10 19:00:25 C 01 06 31.24 +42 04 01.0 q K48
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-01-18 20:50:00 50807219.81 3 us 8560 -14 -14
2014-01-19 16:00:00 49703126.01 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)