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
2022-03-08 07:07:30 C 07 54 50.48 -00 17 15.1 V T08
2022-03-08 07:14:12 C 07 54 52.64 -00 17 39.1 V T08
2022-03-08 07:58:38 C 07 55 04.73 -00 20 39.0 V U68
2022-03-08 08:03:27 C 07 55 06.33 -00 20 56.1 V U68
2022-03-08 08:20:37 C 07 55 12.03 -00 21 57.0 V U68
2022-03-08 08:25:26 C 07 55 13.64 -00 22 14.0 V U68
2022-03-08 15:52:30 C 07 57 51.26 -00 48 54.1 q 168
2022-03-08 16:21:31 C 07 58 00.81 -00 50 36.1 q 168
2022-03-08 16:51:45 C 07 58 10.75 -00 52 22.3 q 168
2022-03-08 17:24:44 C 07 58 21.59 -00 54 18.2 q 168
2022-03-08 17:50:13 C 07 58 29.96 -00 55 47.4 q 168
2022-03-08 18:15:02 C 07 58 38.12 -00 57 14.2 q 168
2022-03-08 18:34:13 C 07 58 47.11 -00 58 18.5 V L65
2022-03-08 18:36:12 C 07 58 48.02 -00 58 23.7 V C23
2022-03-08 18:37:10 C 07 58 48.34 -00 58 27.2 V C23
2022-03-08 18:58:37 C 07 58 55.10 -00 59 43.7 V L65
2022-03-08 19:07:30 C 07 58 58.24 -01 00 13.0 V K85
2022-03-08 19:29:10 C 07 59 05.08 -01 01 28.0 X K74
2022-03-08 19:29:34 C 07 59 05.24 -01 01 32.2 V L65
2022-03-08 19:31:05 C 07 59 05.70 -01 01 34.5 X K74
2022-03-08 19:33:01 C 07 59 06.34 -01 01 41.3 X K74
2022-03-08 19:35:35 C 07 59 07.16 -01 01 50.3 X K74
2022-03-08 19:53:57 C 07 59 13.44 -01 02 55.7 V C23
2022-03-08 20:31:49 C 07 59 25.57 -01 05 07.9 V G33
2022-03-08 20:33:30 C 07 59 26.12 -01 05 13.7 V G33
2022-03-08 20:35:12 C 07 59 26.67 -01 05 19.6 V G33
2022-03-08 20:36:52 C 07 59 27.21 -01 05 25.4 V G33
2022-03-08 20:37:30 C 07 59 27.58 -01 05 27.8 V K85
2022-03-08 20:38:33 C 07 59 27.76 -01 05 31.3 V G33
2022-03-08 20:40:14 C 07 59 28.31 -01 05 37.2 V G33
2022-03-08 20:42:08 C 07 59 29.14 -01 05 44.0 V C23
2022-03-08 20:59:01 C 07 59 34.64 -01 06 42.9 V C23
2022-03-08 21:26:53 C 07 59 43.72 -01 08 20.2 V C23
2022-03-09 19:09:06 C 08 07 04.21 -02 22 42.0 V K85
2022-03-09 19:50:37 C 08 07 17.26 -02 25 03.5 V L65
2022-03-09 20:02:46 C 08 07 21.14 -02 25 44.3 V L65
2022-03-09 20:14:39 C 08 07 24.93 -02 26 24.1 V L65
2022-03-09 20:15:01 C 08 07 25.23 -02 26 23.6 V K85
2022-03-09 20:19:42 C 08 07 26.27 -02 26 39.3 V G34
2022-03-09 20:20:58 C 08 07 26.67 -02 26 43.5 V G34
2022-03-09 20:23:04 C 08 07 27.35 -02 26 50.7 V G34
2022-03-09 20:24:36 C 08 07 27.83 -02 26 56.1 V G34
2022-03-09 20:28:01 C 08 07 28.92 -02 27 07.3 V G34
2022-03-09 20:31:14 C 08 07 29.93 -02 27 18.0 V G34
2022-03-09 20:32:50 C 08 07 30.44 -02 27 23.9 V G34
2022-03-09 21:00:28 C 08 07 39.45 -02 28 55.6 V K74
2022-03-09 21:02:28 C 08 07 40.07 -02 29 02.0 V K74
2022-03-09 21:04:28 C 08 07 40.70 -02 29 08.5 V K74
2022-03-10 04:45:05 C 08 10 13.63 -02 54 25.8 V 703
2022-03-10 04:53:52 C 08 10 16.34 -02 54 55.2 V 703
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)