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
2013-11-18 05:11:02 C 00 45 32.54 +42 26 01.2 q H45
2013-11-18 05:13:37 C 00 45 32.20 +42 26 01.1 q H45
2013-11-18 05:15:22 C 00 45 31.99 +42 26 01.1 q H45
2013-11-18 22:58:11 C 00 43 28.26 +42 26 13.9 q I15
2013-11-18 23:01:31 C 00 43 27.84 +42 26 14.2 q I15
2013-11-18 23:05:57 C 00 43 27.28 +42 26 14.5 q I15
2013-11-19 03:00:07 C 00 42 58.16 +42 26 19.7 u H21
2013-11-19 03:05:39 C 00 42 57.46 +42 26 19.8 u H21
2013-11-19 03:08:41 C 00 42 57.06 +42 26 19.6 u H21
2013-11-19 03:11:44 C 00 42 56.67 +42 26 19.5 u H21
2013-11-19 03:13:40 C 00 42 56.44 +42 26 19.6 u H21
2013-11-19 03:16:08 C 00 42 56.12 +42 26 19.6 u H21
2013-11-20 03:39:35 C 00 40 02.61 +42 26 03.4 u H21
2013-11-20 03:43:58 C 00 40 02.05 +42 26 03.2 u H21
2013-11-20 03:44:13 C 00 40 02.18 +42 26 05.8 q H45
2013-11-20 03:45:44 C 00 40 01.96 +42 26 05.6 q H45
2013-11-20 03:47:29 C 00 40 01.61 +42 26 03.1 u H21
2013-11-20 03:47:40 C 00 40 01.71 +42 26 05.4 q H45
2013-11-20 03:49:31 C 00 40 01.49 +42 26 05.4 q H45
2013-11-20 03:51:03 C 00 40 01.29 +42 26 05.3 q H45
2013-11-20 03:52:18 C 00 40 01.03 +42 26 02.9 u H21
2013-11-20 03:52:33 C 00 40 01.11 +42 26 05.2 q H45
2013-11-20 03:54:23 C 00 40 00.86 +42 26 05.2 q H45
2013-11-20 03:55:22 C 00 40 00.66 +42 26 02.7 u H21
2013-11-20 04:01:05 C 00 39 59.95 +42 26 02.6 u H21
2013-11-20 04:06:06 C 00 39 59.38 +42 26 04.6 q H45
2013-11-20 13:44:29 C 00 38 51.12 +42 25 49.5 q D29
2013-11-20 14:03:07 C 00 38 48.74 +42 25 48.4 q D29
2013-11-20 14:21:45 C 00 38 46.37 +42 25 47.2 q D29
2013-11-20 16:06:31 C 00 38 35.78 +42 25 37.6 o C41
2013-11-20 16:27:33 C 00 38 33.16 +42 25 37.8 o C41
2013-11-25 20:26:59 C 00 24 07.93 +42 13 19.9 i C91
2013-11-25 20:35:00 C 00 24 06.95 +42 13 18.5 i C91
2013-11-25 20:42:00 C 00 24 06.11 +42 13 17.0 i C91
2013-11-25 20:48:00 C 00 24 05.37 +42 13 16.0 i C91
2013-11-26 18:17:59 C 00 21 40.83 +42 09 38.8 c A24
2013-11-26 18:19:01 C 00 21 40.70 +42 09 38.6 c A24
2013-11-26 20:20:22 C 00 21 25.83 +42 09 16.3 q K51
2013-11-26 20:23:28 C 00 21 25.45 +42 09 15.7 q K51
2013-11-26 20:26:35 C 00 21 25.06 +42 09 15.1 q K51
2013-11-26 20:29:41 C 00 21 24.70 +42 09 14.4 q K51
2013-11-26 20:32:47 C 00 21 24.31 +42 09 13.8 q K51
2013-11-27 18:15:24 C 00 18 59.85 +42 05 08.3 c A24
2013-11-27 18:16:26 C 00 18 59.74 +42 05 08.1 c A24
2013-11-27 19:13:12 C 00 18 52.88 +42 04 57.3 c A24
2013-11-27 19:14:13 C 00 18 52.76 +42 04 57.1 c A24
2013-11-27 19:18:44 C 00 18 52.21 +42 04 56.3 c A24
2013-11-27 19:19:45 C 00 18 52.09 +42 04 56.0 c A24
2013-11-27 20:15:26 C 00 18 45.39 +42 04 44.4 c A24
2013-11-27 20:16:28 C 00 18 45.27 +42 04 44.1 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)