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
2021-12-21 17:47:28 C 02 59 26.08 +44 55 08.7 V C40
2021-12-21 17:48:59 C 02 59 25.98 +44 55 08.4 V C40
2021-12-21 17:53:38 C 02 59 25.68 +44 55 07.6 V C40
2021-12-21 17:56:43 C 02 59 25.46 +44 55 06.9 V C40
2021-12-21 17:58:14 C 02 59 25.36 +44 55 06.7 V C40
2021-12-21 17:59:47 C 02 59 25.25 +44 55 06.5 V C40
2021-12-21 18:01:20 C 02 59 25.14 +44 55 06.2 V C40
2021-12-21 18:02:52 C 02 59 25.04 +44 55 05.9 V C40
2021-12-21 18:04:25 C 02 59 24.95 +44 55 05.5 V C40
2021-12-21 18:05:57 C 02 59 24.83 +44 55 05.3 V C40
2021-12-21 18:07:30 C 02 59 24.72 +44 55 05.0 V C40
2021-12-21 18:10:35 C 02 59 24.52 +44 55 04.3 V C40
2021-12-21 18:12:08 C 02 59 24.40 +44 55 04.1 V C40
2021-12-21 18:13:39 C 02 59 24.31 +44 55 03.8 V C40
2021-12-21 18:15:12 C 02 59 24.21 +44 55 03.5 V C40
2021-12-21 18:16:44 C 02 59 24.10 +44 55 03.3 V C40
2021-12-21 18:22:54 C 02 59 23.68 +44 55 02.1 V C40
2021-12-21 18:24:27 C 02 59 23.58 +44 55 01.6 V C40
2021-12-22 15:18:58 C 02 58 13.34 +44 50 42.6 V C40
2021-12-22 15:22:03 C 02 58 13.15 +44 50 42.3 V C40
2021-12-22 15:43:39 C 02 58 11.78 +44 50 38.7 V C40
2021-12-22 16:20:45 C 02 58 09.42 +44 50 32.3 V C40
2021-12-22 16:31:31 C 02 58 08.72 +44 50 30.3 V C40
2021-12-22 16:34:37 C 02 58 08.52 +44 50 29.7 V C40
2021-12-22 16:48:30 C 02 58 07.63 +44 50 27.1 V C40
2021-12-22 16:56:11 C 02 58 07.14 +44 50 25.7 V C40
2021-12-22 17:02:22 C 02 58 06.75 +44 50 24.2 V C40
2021-12-22 18:40:18 C 02 58 01.08 +44 50 01.7 V G02
2021-12-22 18:47:26 C 02 58 00.66 +44 50 00.5 V G02
2021-12-22 18:54:17 C 02 58 00.20 +44 49 59.1 V G02
2021-12-22 18:58:27 C 02 58 00.29 +44 49 59.6 V 130
2021-12-22 19:00:39 C 02 58 00.14 +44 49 59.0 V 130
2021-12-22 19:02:18 C 02 58 00.04 +44 49 58.8 V 130
2021-12-22 19:04:29 C 02 57 59.88 +44 49 58.4 V 130
2021-12-23 00:53:16 C 02 57 40.91 +44 48 48.4 V W46
2021-12-23 00:59:23 C 02 57 40.53 +44 48 47.2 V W46
2021-12-23 01:03:49 C 02 57 40.24 +44 48 46.2 V W46
2021-12-23 14:42:38 C 02 56 57.34 +44 45 31.3 V C40
2021-12-23 14:45:42 C 02 56 57.15 +44 45 30.7 V C40
2021-12-23 14:47:16 C 02 56 57.06 +44 45 30.3 V C40
2021-12-23 14:48:47 C 02 56 56.97 +44 45 30.0 V C40
2021-12-23 14:51:52 C 02 56 56.80 +44 45 29.5 V C40
2021-12-23 14:54:57 C 02 56 56.60 +44 45 28.9 V C40
2021-12-23 14:56:30 C 02 56 56.53 +44 45 28.7 V C40
2021-12-23 14:58:03 C 02 56 56.42 +44 45 28.5 V C40
2021-12-23 15:33:32 C 02 56 54.34 +44 45 21.9 V C40
2021-12-23 15:35:04 C 02 56 54.23 +44 45 21.7 V C40
2021-12-23 15:36:37 C 02 56 54.15 +44 45 21.3 V C40
2021-12-23 15:38:08 C 02 56 54.04 +44 45 21.0 V C40
2021-12-23 15:39:42 C 02 56 53.95 +44 45 20.8 V C40
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)