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
2013-10-24 19:20:04 C 01 46 36.57 +39 14 46.4 q D29
2013-10-24 20:00:29 C 01 46 35.41 +39 15 07.0 o B67
2013-10-24 20:36:17 C 01 46 32.52 +39 15 28.4 o B67
2013-10-24 21:13:28 C 01 46 29.51 +39 15 50.3 o B67
2013-10-24 23:55:35 C 01 46 15.93 +39 17 23.6 o 071
2013-10-24 23:58:56 C 01 46 15.66 +39 17 25.4 o 071
2013-10-25 00:02:19 C 01 46 15.38 +39 17 27.2 o 071
2013-10-25 00:05:40 C 01 46 15.03 +39 17 29.4 o 071
2013-10-25 00:09:01 C 01 46 14.83 +39 17 30.9 o 071
2013-10-25 00:12:23 C 01 46 14.55 +39 17 32.7 o 071
2013-10-25 00:15:46 C 01 46 14.26 +39 17 34.7 o 071
2013-10-25 00:19:08 C 01 46 14.00 +39 17 36.4 o 071
2013-10-25 00:22:30 C 01 46 13.73 +39 17 38.2 o 071
2013-10-25 00:25:50 C 01 46 13.46 +39 17 40.1 o 071
2013-10-25 00:29:12 C 01 46 13.18 +39 17 42.4 o 071
2013-10-25 00:32:32 C 01 46 12.91 +39 17 43.7 o 071
2013-10-25 04:40:44 C 01 45 54.82 +39 20 08.8 q H45
2013-10-25 04:42:13 C 01 45 54.73 +39 20 09.6 q H45
2013-10-25 04:43:11 C 01 45 54.65 +39 20 10.0 q H45
2013-10-25 04:44:23 C 01 45 54.53 +39 20 10.8 q H45
2013-10-25 04:46:09 C 01 45 54.39 +39 20 11.8 q H45
2013-10-25 04:47:09 C 01 45 54.31 +39 20 12.4 q H45
2013-10-26 00:20:07 C 01 44 20.71 +39 31 06.3 o 071
2013-10-26 00:23:28 C 01 44 20.54 +39 31 07.9 o 071
2013-10-26 00:26:48 C 01 44 20.14 +39 31 09.8 o 071
2013-10-26 00:30:10 C 01 44 19.85 +39 31 11.6 o 071
2013-10-26 00:33:31 C 01 44 19.57 +39 31 13.3 o 071
2013-10-26 00:36:51 C 01 44 19.33 +39 31 15.0 o 071
2013-10-26 00:40:14 C 01 44 19.01 +39 31 16.9 o 071
2013-10-26 00:43:36 C 01 44 18.71 +39 31 18.4 o 071
2013-10-26 00:46:56 C 01 44 18.45 +39 31 20.4 o 071
2013-10-26 00:50:17 C 01 44 18.17 +39 31 22.1 o 071
2013-10-26 00:53:39 C 01 44 17.88 +39 31 24.0 o 071
2013-10-26 00:56:59 C 01 44 17.64 +39 31 25.5 o 071
2013-10-27 00:49:57 C 01 42 20.67 +39 44 30.6 o 071
2013-10-27 00:53:17 C 01 42 20.37 +39 44 32.2 o 071
2013-10-27 00:56:38 C 01 42 20.10 +39 44 33.9 o 071
2013-10-27 01:00:00 C 01 42 19.80 +39 44 35.6 o 071
2013-10-27 01:03:20 C 01 42 19.51 +39 44 37.2 o 071
2013-10-27 01:06:48 C 01 42 19.22 +39 44 39.1 o 071
2013-10-27 01:13:29 C 01 42 18.60 +39 44 42.5 o 071
2013-10-27 01:16:52 C 01 42 18.34 +39 44 44.1 o 071
2013-10-27 01:20:13 C 01 42 18.05 +39 44 45.8 o 071
2013-10-27 01:23:32 C 01 42 17.76 +39 44 47.5 o 071
2013-10-27 03:47:14 C 01 42 07.91 +39 46 09.6 q 703
2013-10-27 03:58:21 C 01 42 06.94 +39 46 15.7 q 703
2013-10-27 04:09:29 C 01 42 05.93 +39 46 22.2 q 703
2013-10-27 04:20:34 C 01 42 04.95 +39 46 28.4 q 703
2013-10-27 19:54:08 C 01 40 46.39 +39 54 42.2 r 006
2013-10-27 20:05:34 C 01 40 45.36 +39 54 48.0 r 006
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)