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
2013-12-29 18:08:15 C 23 00 20.89 +36 10 58.0 q C23
2013-12-29 18:18:58 C 23 00 18.83 +36 10 52.2 c A24
2013-12-29 18:20:00 C 23 00 18.67 +36 10 51.1 c A24
2013-12-29 19:22:09 C 23 00 09.21 +36 09 46.8 c A24
2013-12-29 19:23:12 C 23 00 09.07 +36 09 45.7 c A24
2013-12-31 18:32:53 C 22 53 08.51 +35 20 56.5 c A24
2013-12-31 18:33:55 C 22 53 08.35 +35 20 55.4 c A24
2013-12-31 19:33:14 C 22 52 58.25 +35 19 41.9 c A24
2013-12-31 19:34:16 C 22 52 58.10 +35 19 40.8 c A24
2014-01-02 17:59:21 C 22 45 07.35 +34 21 40.9 q C23
2014-01-02 18:01:40 C 22 45 06.90 +34 21 37.6 q C23
2014-01-02 18:04:33 C 22 45 06.33 +34 21 33.2 q C23
2014-01-02 18:07:27 C 22 45 05.76 +34 21 29.1 q C23
2014-01-03 14:02:03 C 22 41 22.94 +33 52 43.8 r 168
2014-01-03 14:09:56 C 22 41 21.31 +33 52 31.4 r 168
2014-01-03 15:47:46 C 22 41 01.33 +33 49 56.0 r 168
2014-01-03 15:53:01 C 22 41 00.27 +33 49 47.5 r 168
2014-01-04 15:13:26 C 22 36 18.45 +33 12 26.7 r 168
2014-01-04 15:20:45 C 22 36 16.85 +33 12 13.4 r 168
2014-01-04 16:59:56 C 22 35 55.41 +33 09 14.8 r 168
2014-01-04 17:05:26 C 22 35 54.25 +33 09 04.9 r 168
2014-01-09 18:29:34 C 22 04 08.26 +28 21 58.2 q C77
2014-01-09 18:30:37 C 22 04 07.90 +28 21 54.6 q C77
2014-01-09 18:31:41 C 22 04 07.53 +28 21 51.2 q C77
2014-01-09 18:32:43 C 22 04 07.18 +28 21 47.5 q C77
2014-01-09 19:10:05 C 22 03 55.84 +28 19 35.8 q J93
2014-01-09 19:12:07 C 22 03 55.16 +28 19 29.0 q J93
2014-01-09 19:14:12 C 22 03 54.47 +28 19 21.7 q J93
2014-01-11 17:37:33 C 21 47 32.45 +25 26 23.5 q C23
2014-01-11 17:42:56 C 21 47 30.31 +25 26 00.0 q C23
2014-01-11 17:47:15 C 21 47 28.57 +25 25 40.9 q C23
2014-01-11 19:46:44 C 21 46 40.02 +25 17 42.9 q G40
2014-01-11 20:06:30 C 21 46 32.09 +25 16 14.0 q G40
2014-01-11 20:11:15 C 21 46 30.19 +25 15 52.6 q G40
2014-01-13 17:38:34 C 21 27 23.02 +21 29 50.8 q C23
2014-01-13 17:44:55 C 21 27 20.04 +21 29 14.3 q C23
2014-01-13 17:49:53 C 21 27 17.69 +21 28 45.5 q C23
2014-01-13 17:53:13 C 21 27 16.17 +21 28 26.7 q C23
2014-02-18 03:22:16 S 15 08 42.32 -47 25 33.3 L C51
2014-02-18 09:41:39 S 15 07 51.15 -47 28 10.3 L C51
2014-02-18 09:41:50 S 15 07 51.15 -47 28 09.6 L C51
2014-02-18 11:16:38 S 15 07 38.46 -47 28 48.3 L C51
2014-02-18 12:51:26 S 15 07 25.81 -47 29 27.0 L C51
2014-02-18 14:26:14 S 15 07 13.20 -47 30 05.3 L C51
2014-02-18 17:36:01 S 15 06 48.02 -47 31 20.3 L C51
2014-02-18 20:45:37 S 15 06 23.01 -47 32 35.1 L C51
2014-02-18 20:45:48 S 15 06 23.00 -47 32 34.3 L C51
2014-02-22 13:17:12 S 14 55 30.52 -48 01 08.2 L C51
2014-03-09 15:53:39 C 14 17 30.39 -48 11 47.8 q Q62
2014-03-09 16:07:37 C 14 17 28.79 -48 11 45.6 q Q62
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)