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
2024-07-29 18:29:32 C 22 27 51.54 -05 12 36.9 V D29
2024-07-29 18:49:47 C 22 27 50.82 -05 12 38.4 V D29
2024-08-27 10:05:19 C 21 55 41.949 -06 56 45.03 X F52
2024-08-27 10:22:28 C 21 55 41.026 -06 56 48.34 X F52
2024-08-27 10:39:40 C 21 55 40.107 -06 56 51.75 X F52
2024-09-04 04:44:16 C 21 46 03.209 -07 33 56.30 V G96
2024-09-04 04:52:22 C 21 46 02.795 -07 33 58.03 V G96
2024-09-04 05:00:28 C 21 46 02.370 -07 33 59.58 V G96
2024-09-04 05:08:36 C 21 46 01.956 -07 34 01.16 V G96
2024-09-09 07:44:17 C 21 40 00.765 -07 58 05.75 X F52
2024-09-09 08:03:23 C 21 39 59.841 -07 58 09.53 X F52
2024-09-09 08:22:30 C 21 39 58.901 -07 58 13.21 X F52
2024-09-13 03:06:38 C 21 35 48.073 -08 15 22.82 V G96
2024-09-13 03:13:27 C 21 35 47.720 -08 15 24.44 V G96
2024-09-13 03:21:49 C 21 35 47.306 -08 15 25.85 V G96
2024-09-13 03:28:40 C 21 35 46.957 -08 15 27.25 V G96
2024-09-29 06:09:00 C 21 21 41.130 -09 16 31.67 X F51
2024-09-29 06:26:04 C 21 21 40.636 -09 16 33.82 X F51
2024-09-29 06:44:21 C 21 21 40.121 -09 16 36.17 X F51
2024-09-29 07:01:24 C 21 21 39.636 -09 16 38.25 X F51
2024-10-03 11:44:27 C 21 19 11.64 -09 28 21.8 V D29
2024-10-03 12:25:11 C 21 19 10.67 -09 28 26.0 V D29
2024-10-04 06:54:05 C 21 18 47.103 -09 30 20.02 X F51
2024-10-04 07:13:31 C 21 18 46.675 -09 30 21.95 X F51
2024-10-04 07:33:19 C 21 18 46.242 -09 30 23.93 X F51
2024-10-07 02:58:40 C 21 17 29.987 -09 36 50.04 V G96
2024-10-07 03:06:06 C 21 17 29.857 -09 36 51.08 V G96
2024-10-07 03:13:32 C 21 17 29.710 -09 36 51.48 V G96
2024-10-07 03:20:58 C 21 17 29.562 -09 36 51.44 V G96
2024-12-30 02:09:16 C 22 13 52.511 -05 21 35.35 V V00
2024-12-30 02:10:10 C 22 13 52.568 -05 21 34.99 V V00
2024-12-30 02:21:16 C 22 13 53.216 -05 21 31.79 V V00
2024-12-30 02:23:34 C 22 13 53.353 -05 21 31.18 V V00
2024-12-30 02:31:38 C 22 13 53.839 -05 21 27.90 V V00
2024-12-30 02:32:32 C 22 13 53.900 -05 21 28.22 V V00
2024-12-30 02:40:37 C 22 13 54.383 -05 21 24.16 V V00
2024-12-30 02:41:30 C 22 13 54.448 -05 21 24.44 V V00
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)