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
2013-12-15 17:44:59 C 23 36 17.66 +39 40 52.2 i C91
2013-12-15 17:50:00 C 23 36 17.13 +39 40 49.8 i C91
2013-12-15 17:51:59 C 23 36 16.92 +39 40 49.2 i C91
2013-12-15 17:53:59 C 23 36 16.73 +39 40 48.0 i C91
2013-12-15 17:57:00 C 23 36 16.41 +39 40 46.8 i C91
2013-12-15 18:47:12 C 23 36 11.34 +39 40 22.3 c A24
2013-12-15 18:48:14 C 23 36 11.25 +39 40 21.8 c A24
2013-12-15 20:00:20 C 23 36 03.72 +39 39 46.7 q 160
2013-12-15 20:03:16 C 23 36 03.33 +39 39 46.6 q 160
2013-12-15 20:06:12 C 23 36 03.14 +39 39 43.8 q 160
2013-12-16 00:56:57 C 23 35 36.79 +39 37 37.3 q I15
2013-12-16 01:05:11 C 23 35 35.97 +39 37 33.3 q I15
2013-12-16 01:13:25 C 23 35 35.11 +39 37 29.0 q I15
2013-12-16 17:28:59 C 23 34 07.12 +39 30 08.2 i C91
2013-12-16 17:30:00 C 23 34 07.02 +39 30 08.0 i C91
2013-12-16 17:30:59 C 23 34 06.90 +39 30 07.3 i C91
2013-12-16 17:32:00 C 23 34 06.79 +39 30 06.9 i C91
2013-12-16 17:32:59 C 23 34 06.70 +39 30 06.6 i C91
2013-12-16 17:33:59 C 23 34 06.58 +39 30 06.0 i C91
2013-12-16 17:35:00 C 23 34 06.48 +39 30 05.5 i C91
2013-12-16 17:35:59 C 23 34 06.39 +39 30 05.2 i C91
2013-12-16 17:37:59 C 23 34 06.17 +39 30 04.2 i C91
2013-12-16 17:39:59 C 23 34 05.97 +39 30 03.2 i C91
2013-12-16 17:42:00 C 23 34 05.74 +39 30 02.3 i C91
2013-12-16 17:44:00 C 23 34 05.55 +39 30 01.3 i C91
2013-12-16 17:46:59 C 23 34 05.23 +39 29 59.8 i C91
2013-12-16 18:22:18 C 23 34 01.59 +39 29 42.8 a 233
2013-12-16 18:28:28 C 23 34 01.02 +39 29 39.1 c A24
2013-12-16 18:29:30 C 23 34 00.93 +39 29 38.6 c A24
2013-12-16 18:29:58 C 23 34 00.79 +39 29 39.1 a 233
2013-12-16 18:46:43 C 23 33 59.05 +39 29 30.9 a 233
2013-12-16 18:55:49 C 23 33 58.10 +39 29 26.3 a 233
2013-12-16 19:02:03 C 23 33 57.46 +39 29 23.2 a 233
2013-12-16 19:32:37 C 23 33 54.39 +39 29 07.0 c A24
2013-12-16 19:33:39 C 23 33 54.30 +39 29 06.5 c A24
2013-12-16 19:57:49 C 23 33 51.69 +39 28 54.4 q 160
2013-12-16 20:00:38 C 23 33 51.40 +39 28 53.0 q 160
2013-12-16 20:03:27 C 23 33 51.13 +39 28 51.5 q 160
2013-12-17 01:24:46 C 23 33 22.38 +39 26 34.6 q H45
2013-12-17 01:26:14 C 23 33 22.22 +39 26 33.9 q H45
2013-12-17 01:27:42 C 23 33 22.06 +39 26 33.1 q H45
2013-12-17 01:29:05 C 23 33 21.92 +39 26 32.5 q H45
2013-12-17 01:30:39 C 23 33 21.75 +39 26 31.6 q H45
2013-12-17 01:47:11 C 23 33 19.99 +39 26 23.3 q H45
2013-12-17 01:48:45 C 23 33 19.84 +39 26 22.4 q H45
2013-12-17 01:49:59 C 23 33 19.70 +39 26 21.8 q H45
2013-12-17 17:26:59 C 23 31 54.22 +39 18 56.5 i C91
2013-12-17 17:28:59 C 23 31 54.03 +39 18 55.8 i C91
2013-12-17 17:30:59 C 23 31 53.77 +39 18 55.2 i C91
2013-12-17 17:51:54 C 23 31 51.59 +39 18 44.6 q 160
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)