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
2021-11-12 13:49:16 C 04 03 05.00 +41 11 48.6 Y N42
2021-11-12 14:36:32 C 04 03 03.22 +41 12 16.4 Y N42
2021-11-12 14:39:41 C 04 03 03.11 +41 12 18.1 Y N42
2021-11-12 14:42:50 C 04 03 02.99 +41 12 20.0 Y N42
2021-11-12 14:45:59 C 04 03 02.87 +41 12 21.9 Y N42
2021-11-12 14:49:07 C 04 03 02.75 +41 12 23.7 Y N42
2021-11-12 14:52:16 C 04 03 02.62 +41 12 25.6 Y N42
2021-11-12 15:39:34 C 04 03 00.79 +41 12 53.1 Y N42
2021-11-12 15:42:42 C 04 03 00.67 +41 12 55.0 Y N42
2021-11-12 15:45:51 C 04 03 00.54 +41 12 56.7 Y N42
2021-11-12 15:49:00 C 04 03 00.42 +41 12 58.6 Y N42
2021-11-12 15:52:09 C 04 03 00.29 +41 13 00.4 Y N42
2021-11-12 15:55:18 C 04 03 00.17 +41 13 02.2 Y N42
2021-11-13 07:27:09 C 04 02 24.50 +41 21 40.8 V 703
2021-11-13 07:35:33 C 04 02 24.17 +41 21 44.9 V 703
2021-11-13 07:44:20 C 04 02 23.71 +41 21 49.4 V 703
2021-11-13 07:53:24 C 04 02 23.28 +41 21 54.3 V 703
2021-11-16 09:21:38 C 03 59 17.45 +42 01 18.8 V T08
2021-11-16 09:24:57 C 03 59 17.28 +42 01 20.8 V T08
2021-11-16 09:39:34 C 03 59 16.51 +42 01 29.1 V T08
2021-11-16 09:52:56 C 03 59 15.81 +42 01 35.8 V T08
2021-11-16 18:51:11 C 03 58 51.29 +42 06 03.4 V G02
2021-11-16 18:56:56 C 03 58 50.97 +42 06 06.3 V G02
2021-11-16 19:02:39 C 03 58 50.73 +42 06 08.9 V G02
2021-11-22 11:58:46 C 03 51 22.83 +43 13 26.7 V T05
2021-11-22 12:03:24 C 03 51 22.50 +43 13 28.8 V T05
2021-11-22 12:12:01 C 03 51 21.93 +43 13 32.4 V T05
2021-11-22 12:33:48 C 03 51 20.44 +43 13 41.6 V T05
2021-11-22 18:13:48 C 03 51 01.73 +43 16 00.4 V G33
2021-11-22 18:15:29 C 03 51 01.62 +43 16 01.2 V G33
2021-11-22 18:17:10 C 03 51 01.53 +43 16 01.8 V G33
2021-11-22 18:18:51 C 03 51 01.40 +43 16 02.8 V G33
2021-11-22 18:20:32 C 03 51 01.29 +43 16 03.7 V G33
2021-11-22 18:22:12 C 03 51 01.20 +43 16 04.4 V G33
2021-11-22 23:53:30 C 03 50 39.19 +43 18 39.3 V K87
2021-11-22 23:55:38 C 03 50 39.04 +43 18 40.3 V K87
2021-11-22 23:58:47 C 03 50 38.83 +43 18 41.8 V K87
2021-11-23 00:03:00 C 03 50 38.58 +43 18 43.7 V K87
2021-11-23 00:05:06 C 03 50 38.40 +43 18 44.5 V K87
2021-11-24 09:06:40 C 03 48 32.52 +43 33 21.1 V T08
2021-11-24 09:09:20 C 03 48 32.33 +43 33 22.4 V T08
2021-11-24 10:04:19 C 03 48 28.27 +43 33 46.1 V T08
2021-11-24 10:19:37 C 03 48 27.15 +43 33 52.6 V T08
2021-11-24 11:08:34 C 03 48 23.55 +43 34 12.7 V T08
2021-11-26 09:13:32 C 03 45 17.36 +43 53 02.0 V T05
2021-11-26 09:16:11 C 03 45 17.15 +43 53 03.1 V T05
2021-11-26 09:21:28 C 03 45 16.74 +43 53 05.1 V T05
2021-11-26 09:34:40 C 03 45 15.71 +43 53 10.4 V T05
2021-11-28 10:02:23 C 03 41 47.23 +44 11 13.7 V T08
2021-11-28 10:07:01 C 03 41 46.85 +44 11 15.2 V T08
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)