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
2018-09-10 07:11:32 C 01 02 17.34 +14 28 53.7 V G96
2018-09-12 07:52:22 C 01 00 33.89 +14 29 06.4 703
2018-09-12 07:59:56 C 01 00 33.55 +14 29 06.3 703
2018-09-12 08:07:30 C 01 00 33.29 +14 29 07.4 703
2018-09-12 08:15:04 C 01 00 32.92 +14 29 07.3 703
2018-09-14 08:57:52 C 00 58 40.94 +14 28 25.9 U I41
2018-09-14 10:09:01 C 00 58 38.00 +14 28 24.0 U I41
2018-09-15 08:07:03 C 00 57 44.90 +14 27 47.7 V 703
2018-09-15 08:15:15 C 00 57 44.44 +14 27 47.4 V 703
2018-09-15 08:23:27 C 00 57 44.10 +14 27 46.9 V 703
2018-09-15 08:31:39 C 00 57 43.64 +14 27 47.1 V 703
2018-09-21 08:03:46 C 00 51 15.29 +14 18 54.8 U I41
2018-09-21 09:55:35 C 00 51 09.63 +14 18 44.7 U I41
2018-09-22 10:12:00 C 00 49 57.32 +14 16 23.7 U I41
2018-09-22 10:43:52 C 00 49 55.67 +14 16 20.1 U I41
2018-09-29 09:14:17 C 00 40 56.90 +13 53 39.7 V 703
2018-09-29 09:22:15 C 00 40 56.37 +13 53 38.8 V 703
2018-09-29 09:38:11 C 00 40 55.49 +13 53 36.0 V 703
2018-10-04 11:37:51 C 00 33 43.178 +13 29 55.92 U F52
2018-10-04 11:54:45 C 00 33 42.121 +13 29 52.17 U F52
2018-10-04 11:57:57 C 00 33 41.94 +13 29 50.9 U T05
2018-10-04 12:04:09 C 00 33 41.54 +13 29 50.6 U T05
2018-10-04 12:11:42 C 00 33 41.055 +13 29 48.43 U F52
2018-10-04 12:28:35 C 00 33 40.010 +13 29 44.64 U F52
2018-10-04 12:32:52 C 00 33 39.69 +13 29 43.4 U T05
2018-10-04 12:48:46 C 00 33 38.76 +13 29 39.8 U T05
2018-10-05 05:55:09 C 00 32 36.77 +13 25 52.3 V 703
2018-10-05 06:02:51 C 00 32 36.27 +13 25 50.7 V 703
2018-10-05 06:10:34 C 00 32 35.83 +13 25 48.8 V 703
2018-10-05 06:18:15 C 00 32 35.34 +13 25 46.8 V 703
2018-10-05 07:06:10 C 00 32 32.33 +13 25 36.4 V G96
2018-10-05 07:14:17 C 00 32 31.82 +13 25 34.5 V G96
2018-10-05 07:22:23 C 00 32 31.30 +13 25 32.7 V G96
2018-10-05 07:30:29 C 00 32 30.81 +13 25 31.0 V G96
2018-10-11 06:53:21 C 00 23 39.69 +12 49 55.1 q H15
2018-10-11 07:02:25 C 00 23 39.12 +12 49 53.6 q H15
2018-10-11 07:11:26 C 00 23 38.52 +12 49 50.1 q H15
2018-10-18 02:34:15 C 00 13 40.16 +12 02 46.2 V 703
2018-10-18 02:42:02 C 00 13 39.72 +12 02 44.3 V 703
2018-10-18 02:49:50 C 00 13 39.23 +12 02 42.5 V 703
2018-10-18 02:57:38 C 00 13 38.77 +12 02 39.2 V 703
2018-11-01 04:34:26 C 23 55 49.67 +10 18 31.5 V 703
2018-11-01 04:42:30 C 23 55 49.27 +10 18 29.2 V 703
2018-11-01 04:50:36 C 23 55 48.92 +10 18 26.9 V 703
2018-11-01 04:58:41 C 23 55 48.53 +10 18 24.3 V 703
2018-11-01 13:54:16 C 23 55 25.13 +10 15 45.5 q D29
2018-11-01 14:17:11 C 23 55 24.10 +10 15 38.8 q D29
2018-11-01 14:40:05 C 23 55 23.05 +10 15 32.0 q D29
2018-11-02 02:16:41 C 23 54 53.54 +10 12 06.1 V G96
2018-11-02 02:24:50 C 23 54 53.19 +10 12 03.7 V G96
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)