153591 (2001 SN263)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4799501702 ± 1.35e-09
Semi-major axis (a)1.9877627834 AU ± 8.82e-11
Inclination (i)6.69249029° ± 3.51e-07
Long. of Asc. Node (Ω)325.70895525° ± 1.05e-06
Arg. of Perihelion (ω)173.05863055° ± 1.30e-06
Mean Anomaly (M)124.08081465° ± 3.30e-07
Mean Motion (n)0.3516943922°/day ± 2.34e-11
Perihelion dist (q)1.03373570 AU ± 2.68e-09
Aphelion dist (Q)2.94178987 AU ± 2.69e-09
Orbital Period2.80250782 yr ± 1.87e-10
Physical Parameters
H (abs. magnitude)17.11
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.171″
Uncertainty0
Orbit TypeAmor
MOID0.047787 AU
Observations Used3293
Radar Obs Used3
Oppositions21
Arc Total1990-2025
First Observation Used1990-09-25
Last Observation Used2025-06-05
Observations (4048)
Date Type RA Dec Mag Band Observatory
2021-12-23 15:47:24 C 02 56 53.49 +44 45 19.5 V C40
2021-12-23 15:48:56 C 02 56 53.40 +44 45 19.1 V C40
2021-12-23 15:50:29 C 02 56 53.31 +44 45 18.8 V C40
2021-12-23 15:53:34 C 02 56 53.13 +44 45 18.1 V C40
2021-12-23 15:55:07 C 02 56 53.04 +44 45 17.7 V C40
2021-12-23 15:59:43 C 02 56 52.76 +44 45 16.9 V C40
2021-12-23 16:01:17 C 02 56 52.67 +44 45 16.7 V C40
2021-12-23 16:02:48 C 02 56 52.56 +44 45 16.4 V C40
2021-12-23 16:04:22 C 02 56 52.48 +44 45 15.9 V C40
2021-12-23 16:05:53 C 02 56 52.39 +44 45 15.6 V C40
2021-12-23 16:07:26 C 02 56 52.29 +44 45 15.5 V C40
2021-12-23 16:08:59 C 02 56 52.20 +44 45 15.0 V C40
2021-12-23 16:10:31 C 02 56 52.09 +44 45 15.0 V C40
2021-12-23 16:12:04 C 02 56 52.01 +44 45 14.5 V C40
2021-12-23 16:15:09 C 02 56 51.83 +44 45 13.9 V C40
2021-12-23 16:16:41 C 02 56 51.74 +44 45 13.6 V C40
2021-12-23 16:18:14 C 02 56 51.62 +44 45 13.4 V C40
2021-12-23 16:22:58 C 02 56 51.34 +44 45 12.4 V C40
2021-12-23 16:24:29 C 02 56 51.26 +44 45 12.1 V C40
2021-12-23 16:27:34 C 02 56 51.07 +44 45 11.5 V C40
2021-12-23 16:29:07 C 02 56 50.98 +44 45 11.1 V C40
2021-12-23 16:30:39 C 02 56 50.87 +44 45 10.9 V C40
2021-12-23 16:32:12 C 02 56 50.78 +44 45 10.4 V C40
2021-12-23 16:33:44 C 02 56 50.69 +44 45 10.1 V C40
2021-12-23 16:35:17 C 02 56 50.59 +44 45 09.8 V C40
2021-12-23 16:39:55 C 02 56 50.32 +44 45 08.9 V C40
2021-12-23 16:41:26 C 02 56 50.22 +44 45 08.7 V C40
2021-12-23 16:44:31 C 02 56 50.05 +44 45 08.0 V C40
2021-12-23 16:46:05 C 02 56 49.94 +44 45 07.8 V C40
2021-12-23 16:47:36 C 02 56 49.86 +44 45 07.4 V C40
2021-12-23 16:50:42 C 02 56 49.66 +44 45 06.7 V C40
2021-12-23 16:52:14 C 02 56 49.56 +44 45 06.4 V C40
2021-12-23 16:53:47 C 02 56 49.46 +44 45 06.2 V C40
2021-12-23 16:56:52 C 02 56 49.29 +44 45 05.4 V C40
2021-12-23 16:58:23 C 02 56 49.19 +44 45 05.1 V C40
2021-12-23 16:59:57 C 02 56 49.10 +44 45 04.7 V C40
2021-12-23 17:01:28 C 02 56 49.00 +44 45 04.3 V C40
2021-12-23 17:03:02 C 02 56 48.90 +44 45 04.2 V C40
2021-12-23 17:04:33 C 02 56 48.81 +44 45 03.8 V C40
2021-12-23 17:07:39 C 02 56 48.61 +44 45 03.1 V C40
2021-12-23 17:09:41 C 02 56 48.50 +44 45 02.8 V C40
2021-12-23 17:15:50 C 02 56 48.11 +44 45 01.4 V C40
2021-12-25 15:06:37 C 02 54 33.43 +44 33 26.4 q 168
2021-12-25 16:13:38 C 02 54 29.88 +44 33 09.5 q 168
2021-12-25 17:08:38 C 02 54 26.99 +44 32 54.8 q 168
2021-12-25 17:53:45 C 02 54 24.61 +44 32 41.9 q 168
2021-12-25 19:03:46 C 02 54 20.98 +44 32 21.4 q 168
2021-12-25 20:07:49 C 02 54 17.78 +44 32 01.6 q 168
2021-12-25 20:44:43 C 02 54 15.95 +44 31 49.9 q 168
2021-12-25 21:33:41 C 02 54 13.66 +44 31 34.1 q 168
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2008-02-12 00:46:00 74376743.286 50 us 2380 -1 -1
2022-02-22 05:50:00 105008239.98 10 us 8560 -14 -14
2022-02-23 01:00:00 104031851.77 10 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)