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
2013-12-04 19:55:03 C 00 00 58.70 +41 20 40.9 q 160
2013-12-04 23:12:51 C 00 00 37.47 +41 19 18.9 u 089
2013-12-04 23:15:05 C 00 00 37.19 +41 19 17.9 u 089
2013-12-04 23:17:17 C 00 00 37.04 +41 19 16.9 u 089
2013-12-04 23:19:30 C 00 00 36.81 +41 19 16.6 u 089
2013-12-04 23:21:44 C 00 00 36.61 +41 19 15.4 u 089
2013-12-04 23:23:56 C 00 00 36.38 +41 19 14.3 u 089
2013-12-04 23:27:57 C 00 00 36.01 +41 19 13.3 u 089
2013-12-05 19:19:14 C 23 58 38.87 +41 13 06.6 q 160
2013-12-05 19:22:59 C 23 58 38.47 +41 13 05.2 q 160
2013-12-05 19:25:03 C 23 58 38.86 +41 13 07.6 u J27
2013-12-05 19:26:43 C 23 58 38.05 +41 13 04.0 q 160
2013-12-05 19:35:16 C 23 58 37.74 +41 13 04.3 u J27
2013-12-05 19:42:53 C 23 58 36.88 +41 13 01.5 u J27
2013-12-06 18:33:07 C 23 56 22.30 +41 05 17.7 c A24
2013-12-06 18:34:09 C 23 56 22.22 +41 05 17.4 c A24
2013-12-06 19:17:51 C 23 56 18.01 +41 05 05.7 w I99
2013-12-06 19:23:23 C 23 56 17.41 +41 05 03.9 w I99
2013-12-06 19:32:03 C 23 56 16.47 +41 05 01.0 w I99
2013-12-06 20:32:02 C 23 56 09.55 +41 04 34.1 c A24
2013-12-06 20:33:04 C 23 56 09.43 +41 04 33.7 c A24
2013-12-07 18:33:16 C 23 54 02.64 +40 56 56.4 c A24
2013-12-07 18:34:18 C 23 54 02.55 +40 56 56.1 c A24
2013-12-07 19:36:46 C 23 53 55.86 +40 56 32.8 c A24
2013-12-07 19:37:49 C 23 53 55.76 +40 56 32.4 c A24
2013-12-08 13:54:06 C 23 52 09.15 +40 49 56.7 o 300
2013-12-08 13:56:23 C 23 52 08.88 +40 49 55.9 o 300
2013-12-08 13:58:41 C 23 52 08.63 +40 49 55.2 o 300
2013-12-08 14:01:00 C 23 52 08.41 +40 49 54.1 o 300
2013-12-08 18:08:00 C 23 51 47.40 +40 48 29.3 i C91
2013-12-08 18:15:59 C 23 51 46.56 +40 48 26.4 i C91
2013-12-08 18:20:00 C 23 51 46.13 +40 48 24.9 i C91
2013-12-10 01:01:14 C 23 48 53.22 +40 37 08.3 q 448
2013-12-10 01:09:19 C 23 48 52.36 +40 37 05.4 q 448
2013-12-10 01:13:29 C 23 48 51.92 +40 37 03.8 q 448
2013-12-10 01:17:09 C 23 48 51.52 +40 37 02.4 q 448
2013-12-10 01:21:51 C 23 48 51.02 +40 37 00.8 q 448
2013-12-10 18:10:17 C 23 47 16.41 +40 30 25.9 c A24
2013-12-10 18:11:19 C 23 47 16.35 +40 30 25.4 c A24
2013-12-10 19:03:12 C 23 47 10.84 +40 30 05.1 q 160
2013-12-10 19:06:11 C 23 47 10.53 +40 30 03.9 q 160
2013-12-10 19:09:11 C 23 47 10.21 +40 30 02.6 q 160
2013-12-10 19:14:51 C 23 47 09.69 +40 29 59.6 c A24
2013-12-10 19:15:55 C 23 47 09.62 +40 29 59.2 c A24
2013-12-10 21:58:32 C 23 46 52.90 +40 28 39.3 u 089
2013-12-10 22:01:59 C 23 46 52.59 +40 28 37.7 u 089
2013-12-10 22:03:41 C 23 46 52.42 +40 28 36.9 u 089
2013-12-10 22:05:24 C 23 46 52.25 +40 28 35.8 u 089
2013-12-10 22:07:07 C 23 46 52.10 +40 28 35.1 u 089
2013-12-10 22:08:50 C 23 46 51.92 +40 28 34.3 u 089
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)