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
2022-01-28 06:39:09 C 03 24 08.23 +38 05 34.9 V T08
2022-01-28 06:43:48 C 03 24 08.78 +38 05 31.1 V T08
2022-01-28 06:51:12 C 03 24 09.67 +38 05 25.0 V T08
2022-01-28 18:42:31 C 03 25 47.76 +37 55 30.2 q 168
2022-01-28 19:45:30 C 03 25 56.32 +37 54 36.1 q 168
2022-01-28 20:01:14 C 03 25 59.34 +37 54 45.6 V 160
2022-01-28 20:03:04 C 03 25 59.59 +37 54 44.3 V 160
2022-01-28 20:05:07 C 03 25 59.87 +37 54 41.9 V 160
2022-01-28 20:45:30 C 03 26 04.63 +37 53 44.1 q 168
2022-01-28 21:31:07 C 03 26 11.03 +37 53 28.6 X L63
2022-01-28 21:38:32 C 03 26 12.02 +37 53 22.0 X L63
2022-01-28 21:45:27 C 03 26 12.94 +37 53 15.8 X L63
2022-01-29 06:17:03 C 03 27 27.44 +37 46 56.1 V T05
2022-01-29 06:21:39 C 03 27 28.03 +37 46 52.2 V T05
2022-01-29 06:30:16 C 03 27 29.11 +37 46 45.0 V T05
2022-01-29 06:44:49 C 03 27 30.95 +37 46 32.6 V T05
2022-01-29 14:56:38 C 03 28 43.97 +37 39 20.4 q 168
2022-01-29 15:38:45 C 03 28 49.71 +37 38 45.4 q 168
2022-01-29 16:18:41 C 03 28 55.16 +37 38 11.6 q 168
2022-01-29 17:07:40 C 03 29 01.90 +37 37 29.6 q 168
2022-01-29 18:02:38 C 03 29 09.55 +37 36 41.4 q 168
2022-01-29 18:53:50 C 03 29 16.78 +37 35 55.9 q 168
2022-01-30 02:03:27 C 03 30 22.05 +37 30 26.1 q H45
2022-01-30 02:04:47 C 03 30 22.23 +37 30 24.9 q H45
2022-01-30 02:05:53 C 03 30 22.37 +37 30 23.9 q H45
2022-01-30 02:07:17 C 03 30 22.55 +37 30 22.7 q H45
2022-01-30 02:08:30 C 03 30 22.73 +37 30 21.6 q H45
2022-01-30 02:10:47 C 03 30 23.03 +37 30 19.7 q H45
2022-01-30 06:23:03 C 03 31 00.98 +37 27 00.0 V T05
2022-01-30 06:27:45 C 03 31 01.61 +37 26 55.8 V T05
2022-01-30 06:35:41 C 03 31 02.67 +37 26 48.7 V T05
2022-01-30 06:58:02 C 03 31 05.68 +37 26 28.6 V T05
2022-01-30 07:04:51 C 03 31 06.53 +37 26 23.4 V T08
2022-01-30 07:09:30 C 03 31 07.16 +37 26 19.2 V T08
2022-01-30 07:18:48 C 03 31 08.42 +37 26 10.6 V T08
2022-01-30 07:33:31 C 03 31 10.43 +37 25 57.0 V T08
2022-01-31 03:22:13 C 03 34 16.37 +37 08 38.4 V G96
2022-01-31 03:30:22 C 03 34 17.55 +37 08 30.7 V G96
2022-01-31 03:38:31 C 03 34 18.69 +37 08 23.5 V G96
2022-01-31 03:46:39 C 03 34 19.86 +37 08 15.7 V G96
2022-01-31 07:35:54 C 03 34 55.36 +37 05 00.4 V T08
2022-01-31 07:37:14 C 03 34 55.55 +37 04 59.0 V T08
2022-01-31 07:43:53 C 03 34 56.52 +37 04 52.5 V T08
2022-01-31 07:45:13 C 03 34 56.71 +37 04 51.2 V T08
2022-01-31 07:49:52 C 03 34 57.38 +37 04 46.6 V T08
2022-01-31 07:55:50 C 03 34 58.25 +37 04 40.8 V T08
2022-01-31 08:00:29 C 03 34 58.92 +37 04 36.2 V T08
2022-01-31 08:05:47 C 03 34 59.70 +37 04 31.0 V T08
2022-02-01 15:26:34 C 03 40 13.46 +36 35 34.9 q C97
2022-02-01 15:27:27 C 03 40 13.57 +36 35 34.0 q C97
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)