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
2013-12-10 22:10:33 C 23 46 51.78 +40 28 33.7 u 089
2013-12-10 22:12:17 C 23 46 51.61 +40 28 32.8 u 089
2013-12-10 23:59:42 C 23 46 41.88 +40 27 41.9 u 089
2013-12-11 17:30:48 C 23 45 07.06 +40 21 17.2 c A24
2013-12-11 17:31:50 C 23 45 06.97 +40 21 16.9 c A24
2013-12-11 18:34:18 C 23 45 00.46 +40 20 51.6 c A24
2013-12-11 18:35:20 C 23 45 00.37 +40 20 51.3 c A24
2013-12-11 18:58:48 C 23 44 57.86 +40 20 42.0 q 160
2013-12-11 19:02:29 C 23 44 57.43 +40 20 41.1 q 160
2013-12-11 19:06:10 C 23 44 57.10 +40 20 38.9 q 160
2013-12-11 19:09:27 C 23 44 56.77 +40 20 37.5 q 160
2013-12-12 02:18:53 C 23 44 16.69 +40 17 47.7 u H21
2013-12-12 02:21:58 C 23 44 16.38 +40 17 46.3 u H21
2013-12-12 02:26:02 C 23 44 15.95 +40 17 44.4 u H21
2013-12-12 02:29:36 C 23 44 15.60 +40 17 42.9 u H21
2013-12-12 02:32:39 C 23 44 15.27 +40 17 41.5 u H21
2013-12-12 02:36:13 C 23 44 14.91 +40 17 39.9 u H21
2013-12-12 17:09:42 C 23 42 56.84 +40 11 41.3 q C23
2013-12-12 17:11:25 C 23 42 56.66 +40 11 40.7 q C23
2013-12-12 17:12:35 C 23 42 56.54 +40 11 40.1 q C23
2013-12-12 17:14:19 C 23 42 56.37 +40 11 39.5 q C23
2013-12-12 17:16:03 C 23 42 56.18 +40 11 38.8 q C23
2013-12-12 17:17:47 C 23 42 56.02 +40 11 38.1 q C23
2013-12-12 18:24:50 C 23 42 48.94 +40 11 15.2 c A24
2013-12-12 18:25:51 C 23 42 48.85 +40 11 14.8 c A24
2013-12-12 19:25:35 C 23 42 42.68 +40 10 48.7 c A24
2013-12-12 19:26:37 C 23 42 42.60 +40 10 48.3 c A24
2013-12-13 17:44:00 C 23 40 41.25 +40 01 36.2 c A24
2013-12-13 18:45:10 C 23 40 35.18 +40 01 05.8 q C23
2013-12-13 18:47:29 C 23 40 34.95 +40 01 04.8 q C23
2013-12-13 18:47:31 C 23 40 34.69 +40 01 08.6 c A24
2013-12-13 18:48:34 C 23 40 34.59 +40 01 08.1 c A24
2013-12-13 18:49:48 C 23 40 34.71 +40 01 03.5 q C23
2013-12-13 18:52:07 C 23 40 34.46 +40 01 02.5 q C23
2013-12-13 18:54:25 C 23 40 34.23 +40 01 01.7 q C23
2013-12-13 18:56:45 C 23 40 34.00 +40 01 00.5 q C23
2013-12-13 18:59:04 C 23 40 33.76 +40 00 59.4 q C23
2013-12-14 18:13:37 C 23 38 26.76 +39 51 05.9 q C23
2013-12-14 18:15:56 C 23 38 26.52 +39 51 04.8 q C23
2013-12-14 18:18:50 C 23 38 26.22 +39 51 03.4 q C23
2013-12-14 18:21:43 C 23 38 25.91 +39 51 02.0 q C23
2013-12-14 18:24:02 C 23 38 25.70 +39 51 01.3 q C23
2013-12-15 17:24:59 C 23 36 19.74 +39 41 01.4 i C91
2013-12-15 17:26:59 C 23 36 19.54 +39 41 00.4 i C91
2013-12-15 17:30:00 C 23 36 19.22 +39 40 59.0 i C91
2013-12-15 17:35:00 C 23 36 18.70 +39 40 56.8 i C91
2013-12-15 17:41:00 C 23 36 18.05 +39 40 54.1 i C91
2013-12-15 17:42:59 C 23 36 17.85 +39 40 53.1 i C91
2013-12-15 17:43:41 C 23 36 17.90 +39 40 51.8 c A24
2013-12-15 17:44:44 C 23 36 17.82 +39 40 51.5 c A24
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)