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
2022-02-17 17:37:53 C 05 14 46.73 +26 06 53.4 V C40
2022-02-17 17:40:37 C 05 14 47.56 +26 06 46.3 V C40
2022-02-17 17:43:22 C 05 14 48.39 +26 06 39.1 V C40
2022-02-17 17:44:45 C 05 14 48.81 +26 06 35.6 V C40
2022-02-17 17:47:30 C 05 14 49.65 +26 06 28.4 V C40
2022-02-17 17:51:38 C 05 14 50.89 +26 06 17.7 V C40
2022-02-17 17:54:23 C 05 14 51.73 +26 06 10.5 V C40
2022-02-17 17:55:45 C 05 14 52.15 +26 06 06.8 V C40
2022-02-17 17:57:07 C 05 14 52.56 +26 06 03.3 V C40
2022-02-17 18:01:15 C 05 14 53.81 +26 05 52.5 V C40
2022-02-17 18:02:37 C 05 14 54.24 +26 05 48.9 V C40
2022-02-17 18:06:44 C 05 14 55.49 +26 05 38.1 V C40
2022-02-17 18:09:29 C 05 14 56.32 +26 05 30.9 V C40
2022-02-17 18:10:50 C 05 14 56.73 +26 05 27.3 V C40
2022-02-17 19:08:54 C 05 15 12.77 +26 02 42.8 Y N42
2022-02-17 19:09:51 C 05 15 13.07 +26 02 40.4 Y N42
2022-02-17 19:10:49 C 05 15 13.36 +26 02 35.7 Y N42
2022-02-17 19:11:47 C 05 15 13.55 +26 02 34.0 Y N42
2022-02-17 19:12:44 C 05 15 13.76 +26 02 32.5 Y N42
2022-02-17 19:13:41 C 05 15 14.30 +26 02 29.9 Y N42
2022-02-17 20:47:09 S 05 15 48.185 +25 59 07.87 L C51
2022-02-17 22:21:13 S 05 16 18.514 +25 55 02.32 L C51
2022-02-18 03:03:14 S 05 17 49.776 +25 42 41.54 L C51
2022-02-18 03:25:48 V 05 17 57.10 +25 41 30.9 14.2 V 270
2022-02-18 03:25:48 v 1 242.98600 +33.20775 270
2022-02-18 03:28:35 V 05 17 57.96 +25 41 24.7 14.6 V 270
2022-02-18 03:28:35 v 1 242.98600 +33.20775 270
2022-02-18 03:31:22 V 05 17 58.77 +25 41 18.1 14.6 V 270
2022-02-18 03:31:22 v 1 242.98600 +33.20775 270
2022-02-18 03:32:45 V 05 17 59.17 +25 41 13.1 15.3 V 270
2022-02-18 03:32:45 v 1 242.98600 +33.20775 270
2022-02-18 06:11:22 S 05 18 50.938 +25 34 22.04 L C51
2022-02-18 12:27:27 S 05 20 53.806 +25 17 33.22 L C51
2022-02-18 13:53:19 C 05 21 22.73 +25 13 16.5 Y N42
2022-02-18 13:54:17 C 05 21 23.03 +25 13 14.0 Y N42
2022-02-18 13:55:14 C 05 21 23.32 +25 13 11.4 Y N42
2022-02-18 13:56:12 C 05 21 23.62 +25 13 08.8 Y N42
2022-02-18 13:57:09 C 05 21 23.92 +25 13 06.1 Y N42
2022-02-18 13:58:08 C 05 21 24.23 +25 13 03.4 Y N42
2022-02-18 13:59:06 C 05 21 24.53 +25 13 00.9 Y N42
2022-02-18 15:35:35 S 05 21 55.582 +25 09 02.38 L C51
2022-02-18 18:43:32 S 05 22 57.494 +25 00 29.30 L C51
2022-02-18 19:12:01 C 05 23 03.04 +24 58 29.1 Y N42
2022-02-18 19:13:01 C 05 23 03.36 +24 58 26.3 Y N42
2022-02-18 19:14:00 C 05 23 03.67 +24 58 23.5 Y N42
2022-02-18 19:14:59 C 05 23 04.00 +24 58 20.6 Y N42
2022-02-18 19:15:58 C 05 23 04.31 +24 58 17.9 Y N42
2022-02-18 19:16:57 C 05 23 04.64 +24 58 15.0 Y N42
2022-02-18 19:20:18 C 05 23 08.28 +24 58 14.1 V L18
2022-02-18 19:20:35 C 05 23 08.29 +24 58 14.2 V L18
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)