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
2022-01-09 08:25:35 C 02 49 37.56 +42 23 29.7 V T05
2022-01-09 08:36:53 C 02 49 37.68 +42 23 23.9 V T05
2022-01-09 08:37:33 C 02 49 37.64 +42 23 23.0 V T05
2022-01-09 08:53:28 C 02 49 37.87 +42 23 15.3 V T05
2022-01-10 02:45:33 C 02 50 05.98 +42 15 12.2 V 703
2022-01-10 02:54:51 C 02 50 06.10 +42 15 07.9 V 703
2022-01-10 03:04:19 C 02 50 06.22 +42 15 03.6 V 703
2022-01-10 03:13:31 C 02 50 06.33 +42 14 59.3 V 703
2022-01-10 18:51:00 C 02 50 32.64 +42 07 44.1 a 233
2022-01-10 18:57:04 C 02 50 32.70 +42 07 41.2 a 233
2022-01-10 19:03:08 C 02 50 32.82 +42 07 38.2 a 233
2022-01-10 19:09:12 C 02 50 32.93 +42 07 35.5 a 233
2022-01-11 06:43:41 C 02 50 53.75 +42 02 31.3 V T08
2022-01-11 06:48:19 C 02 50 53.83 +42 02 29.0 V T08
2022-01-11 06:59:02 C 02 50 54.02 +42 02 23.7 V T08
2022-01-11 07:14:59 C 02 50 54.30 +42 02 15.7 V T08
2022-01-11 23:44:43 C 02 51 30.20 +41 54 23.5 X W34
2022-01-11 23:52:15 C 02 51 30.36 +41 54 20.3 X W34
2022-01-12 00:02:38 C 02 51 30.58 +41 54 15.8 X W34
2022-01-12 05:58:54 C 02 51 42.84 +41 51 38.6 V T05
2022-01-12 06:03:58 C 02 51 42.96 +41 51 36.2 V T05
2022-01-12 06:15:09 C 02 51 43.20 +41 51 30.8 V T05
2022-01-12 06:57:41 C 02 51 44.17 +41 51 09.8 V T05
2022-01-12 14:27:00 C 02 52 02.95 +41 47 11.6 q 168
2022-01-12 15:40:51 C 02 52 05.22 +41 46 37.0 q 168
2022-01-12 16:44:51 C 02 52 07.18 +41 46 05.5 q 168
2022-01-13 17:37:00 C 02 53 12.19 +41 34 11.7 V B72
2022-01-13 17:40:18 C 02 53 12.31 +41 34 10.1 V B72
2022-01-13 17:43:23 C 02 53 12.42 +41 34 08.7 V B72
2022-01-13 17:47:30 C 02 53 12.57 +41 34 06.9 V B72
2022-01-13 17:49:40 C 02 53 12.28 +41 34 15.7 V L92
2022-01-13 17:54:59 C 02 53 12.55 +41 34 13.0 V L92
2022-01-13 18:00:17 C 02 53 12.76 +41 34 10.0 V L92
2022-01-13 18:05:36 C 02 53 12.83 +41 34 07.3 V L92
2022-01-13 19:10:54 C 02 53 15.40 +41 33 27.3 X K87
2022-01-13 19:14:02 C 02 53 15.51 +41 33 25.6 X K87
2022-01-13 19:17:12 C 02 53 15.63 +41 33 24.0 X K87
2022-01-14 08:46:44 C 02 53 51.78 +41 27 01.5 V T08
2022-01-14 09:26:43 C 02 53 53.36 +41 26 38.0 V T08
2022-01-14 10:02:43 C 02 53 54.86 +41 26 16.7 V T08
2022-01-14 20:55:39 C 02 54 29.85 +41 20 50.1 V L43
2022-01-14 21:40:16 C 02 54 31.70 +41 20 25.8 V L43
2022-01-14 22:25:56 C 02 54 33.64 +41 20 00.2 V L43
2022-01-15 08:09:30 C 02 55 04.61 +41 15 25.7 V T08
2022-01-15 08:14:09 C 02 55 04.80 +41 15 23.0 V T08
2022-01-15 08:26:45 C 02 55 05.34 +41 15 15.6 V T08
2022-01-15 08:46:42 C 02 55 06.18 +41 15 04.1 V T08
2022-01-15 18:34:05 C 02 55 41.17 +41 09 53.0 X G02
2022-01-15 18:41:41 C 02 55 41.52 +41 09 49.0 X G02
2022-01-15 18:49:04 C 02 55 41.86 +41 09 45.2 X G02
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)