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
2022-04-09 21:10:16 C 10 47 05.32 -20 10 20.8 V C40
2022-04-09 21:27:24 C 10 47 07.42 -20 10 24.8 V C40
2022-04-09 21:33:33 C 10 47 08.18 -20 10 26.3 V C40
2022-04-09 21:34:16 C 10 47 08.27 -20 10 26.5 V C40
2022-04-09 21:34:56 C 10 47 08.35 -20 10 26.7 V C40
2022-04-10 10:31:48 C 10 48 48.74 -20 12 59.2 q E89
2022-04-10 10:41:38 C 10 48 49.91 -20 13 01.8 q E89
2022-04-10 10:48:43 C 10 48 50.75 -20 13 03.3 q E89
2022-04-10 10:54:11 C 10 48 51.40 -20 13 04.5 q E89
2022-04-10 19:12:04 C 10 49 55.86 -20 15 44.0 V K83
2022-04-10 19:16:22 C 10 49 56.39 -20 15 44.8 V K83
2022-04-10 19:20:40 C 10 49 56.91 -20 15 46.1 V K83
2022-04-11 23:56:41 C 10 53 30.20 -20 21 21.4 q Y00
2022-04-11 23:58:37 C 10 53 30.50 -20 21 22.6 q Y00
2022-04-12 00:00:50 C 10 53 30.77 -20 21 23.2 q Y00
2022-04-12 03:11:56 C 10 53 53.395 -20 21 54.65 V W68
2022-04-12 03:17:58 C 10 53 54.074 -20 21 55.73 V W68
2022-04-12 03:49:22 C 10 53 57.655 -20 22 01.31 V W68
2022-04-12 03:56:24 C 10 53 59.849 -20 22 35.72 V 703
2022-04-12 04:04:06 C 10 54 00.738 -20 22 37.31 V 703
2022-04-12 04:11:48 C 10 54 01.616 -20 22 38.93 V 703
2022-04-12 04:19:16 C 10 54 01.073 -20 22 06.42 V W68
2022-04-12 04:19:30 C 10 54 02.491 -20 22 40.48 V 703
2022-04-13 02:19:50 C 10 56 41.957 -20 26 06.76 V W68
2022-04-13 02:24:27 C 10 56 42.463 -20 26 07.51 V W68
2022-04-13 02:36:38 C 10 56 43.822 -20 26 09.64 V W68
2022-04-13 03:32:42 C 10 56 50.047 -20 26 18.46 V W68
2022-04-15 19:53:51 C 11 04 19.28 -20 35 43.9 V C40
2022-04-15 19:58:08 C 11 04 19.74 -20 35 44.5 V C40
2022-04-15 20:04:56 C 11 04 20.47 -20 35 45.0 V C40
2022-04-15 20:10:56 C 11 04 21.10 -20 35 45.6 V C40
2022-04-15 20:26:18 C 11 04 22.74 -20 35 47.3 V C40
2022-04-15 21:33:34 C 11 04 29.95 -20 35 53.4 V C40
2022-04-15 21:53:33 C 11 04 32.10 -20 35 55.1 V C40
2022-04-17 03:20:40 C 11 07 49.598 -20 38 13.99 V W68
2022-04-17 03:48:18 C 11 07 52.433 -20 38 16.04 V W68
2022-04-17 04:13:23 C 11 07 55.015 -20 38 17.70 V W68
2022-04-17 04:17:17 C 11 07 55.406 -20 38 17.77 V W68
2022-04-18 00:38:13 C 11 10 09.51 -20 39 58.6 q Y00
2022-04-18 00:41:12 C 11 10 09.79 -20 39 59.6 q Y00
2022-04-18 00:44:16 C 11 10 10.10 -20 39 59.5 q Y00
2022-04-20 05:06:56 C 11 15 43.380 -20 43 09.52 V 703
2022-04-20 05:14:15 C 11 15 43.025 -20 42 40.72 V W68
2022-04-20 05:15:09 C 11 15 44.190 -20 43 09.91 V 703
2022-04-20 05:18:31 C 11 15 43.442 -20 42 40.72 V W68
2022-04-20 05:23:22 C 11 15 44.975 -20 43 09.98 V 703
2022-04-20 05:27:46 C 11 15 44.357 -20 42 40.82 V W68
2022-04-20 05:31:35 C 11 15 45.749 -20 43 10.74 V 703
2022-04-20 05:42:34 C 11 15 45.838 -20 42 40.93 V W68
2022-04-21 04:11:45 C 11 18 05.407 -20 43 26.04 V W68
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)