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
2013-10-21 22:51:28 C 01 51 34.51 +38 34 28.9 o 071
2013-10-21 22:55:50 C 01 51 34.26 +38 34 33.0 o 071
2013-10-21 23:09:04 C 01 51 33.17 +38 34 38.9 o 071
2013-10-21 23:12:27 C 01 51 32.99 +38 34 41.3 o 071
2013-10-21 23:15:48 C 01 51 32.74 +38 34 43.2 o 071
2013-10-21 23:19:08 C 01 51 32.68 +38 34 47.1 o 071
2013-10-21 23:22:31 C 01 51 32.26 +38 34 47.2 o 071
2013-10-21 23:25:52 C 01 51 32.00 +38 34 49.2 o 071
2013-10-21 23:29:13 C 01 51 31.78 +38 34 51.2 o 071
2013-10-21 23:32:35 C 01 51 31.54 +38 34 53.5 o 071
2013-10-21 23:35:57 C 01 51 31.24 +38 34 55.3 o 071
2013-10-21 23:39:19 C 01 51 31.05 +38 34 57.0 o 071
2013-10-21 23:42:39 C 01 51 30.79 +38 34 59.1 o 071
2013-10-21 23:46:01 C 01 51 30.53 +38 35 01.2 o 071
2013-10-21 23:49:23 C 01 51 30.33 +38 35 03.0 o 071
2013-10-21 23:52:45 C 01 51 30.05 +38 35 05.1 o 071
2013-10-21 23:56:05 C 01 51 29.80 +38 35 07.2 o 071
2013-10-22 00:02:49 C 01 51 29.32 +38 35 11.0 o 071
2013-10-22 00:06:10 C 01 51 29.06 +38 35 13.1 o 071
2013-10-22 00:09:31 C 01 51 28.83 +38 35 14.8 o 071
2013-10-22 00:12:55 C 01 51 28.59 +38 35 16.9 o 071
2013-10-22 00:16:16 C 01 51 28.32 +38 35 18.8 o 071
2013-10-22 00:22:58 C 01 51 27.85 +38 35 22.8 o 071
2013-10-22 00:26:20 C 01 51 27.60 +38 35 24.8 o 071
2013-10-22 00:29:41 C 01 51 27.39 +38 35 26.5 o 071
2013-10-22 00:33:03 C 01 51 27.13 +38 35 28.6 o 071
2013-10-22 00:36:25 C 01 51 26.90 +38 35 29.7 o 071
2013-10-22 00:39:46 C 01 51 26.67 +38 35 32.3 o 071
2013-10-22 00:43:07 C 01 51 26.40 +38 35 34.5 o 071
2013-10-22 00:46:29 C 01 51 26.17 +38 35 36.6 o 071
2013-10-22 00:49:51 C 01 51 25.80 +38 35 39.0 o 071
2013-10-22 00:53:13 C 01 51 25.68 +38 35 40.2 o 071
2013-10-22 00:56:34 C 01 51 25.42 +38 35 42.2 o 071
2013-10-23 01:00:25 C 01 49 44.62 +38 50 05.5 o 071
2013-10-23 01:03:31 C 01 49 44.33 +38 50 07.8 o 071
2013-10-23 01:06:40 C 01 49 44.17 +38 50 09.4 o 071
2013-10-23 01:09:46 C 01 49 43.89 +38 50 11.3 o 071
2013-10-23 01:12:55 C 01 49 43.60 +38 50 13.2 o 071
2013-10-23 01:16:01 C 01 49 43.46 +38 50 14.6 o 071
2013-10-23 01:19:11 C 01 49 43.17 +38 50 16.5 o 071
2013-10-23 01:22:18 C 01 49 42.97 +38 50 18.3 o 071
2013-10-23 01:25:26 C 01 49 42.71 +38 50 20.1 o 071
2013-10-23 01:28:33 C 01 49 42.46 +38 50 21.9 o 071
2013-10-23 01:31:41 C 01 49 42.17 +38 50 23.8 o 071
2013-10-23 01:34:48 C 01 49 42.01 +38 50 25.4 o 071
2013-10-23 05:52:36 C 01 49 24.92 +38 53 04.1 q 703
2013-10-23 06:08:41 C 01 49 23.70 +38 53 13.6 q 703
2013-10-23 06:16:44 C 01 49 23.05 +38 53 18.5 q 703
2013-10-24 18:34:16 C 01 46 40.26 +39 14 21.5 q D29
2013-10-24 18:57:10 C 01 46 38.41 +39 14 34.1 q D29
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)