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
2022-03-24 12:05:05 V 09 42 34.61 -15 44 59.1 V 270
2022-03-24 12:05:05 v 1 140.17285 +36.21312 270
2022-03-24 12:59:08 V 09 42 45.19 -15 46 08.1 V 270
2022-03-24 12:59:08 v 1 140.17285 +36.21312 270
2022-03-24 13:11:14 V 09 42 47.90 -15 46 22.4 V 270
2022-03-24 13:11:14 v 1 134.17904 +34.51190 270
2022-03-24 13:53:10 V 09 42 55.80 -15 47 16.8 V 270
2022-03-24 13:53:10 v 1 140.17285 +36.21312 270
2022-03-24 14:17:43 V 09 43 00.96 -15 47 47.4 V 270
2022-03-24 14:17:43 v 1 134.17904 +34.51190 270
2022-03-24 14:48:45 V 09 43 06.81 -15 48 26.9 V 270
2022-03-24 14:48:45 v 1 140.17285 +36.21312 270
2022-03-24 20:21:53 C 09 44 18.77 -15 55 39.0 V K85
2022-03-24 20:56:54 C 09 44 25.68 -15 56 23.1 V K85
2022-03-25 02:25:18 C 09 45 33.37 -16 02 08.3 V W68
2022-03-25 03:11:11 C 09 45 42.18 -16 03 04.4 V W68
2022-03-25 03:15:05 C 09 45 42.93 -16 03 09.1 V W68
2022-03-25 03:22:13 C 09 45 44.30 -16 03 17.8 V W68
2022-03-26 03:44:16 C 09 50 38.41 -16 32 05.2 q Y00
2022-03-26 03:46:54 C 09 50 38.96 -16 32 08.4 q Y00
2022-03-26 03:51:09 C 09 50 39.75 -16 32 12.8 q Y00
2022-03-26 07:48:05 V 09 51 30.93 -16 36 26.4 V 270
2022-03-26 07:48:05 v 1 174.65780 -36.83545 270
2022-03-26 08:00:00 V 09 51 33.13 -16 36 39.6 V 270
2022-03-26 08:00:00 v 1 174.65780 -36.83545 270
2022-03-26 08:11:54 V 09 51 35.35 -16 36 53.0 V 270
2022-03-26 08:11:54 v 1 174.65780 -36.83545 270
2022-03-26 08:25:48 V 09 51 37.95 -16 37 08.9 V 270
2022-03-26 08:25:48 v 1 174.65780 -36.83545 270
2022-03-26 16:36:15 C 09 53 14.62 -16 47 08.5 V C40
2022-03-26 16:49:42 C 09 53 17.12 -16 47 23.3 V C40
2022-03-26 16:51:08 C 09 53 17.39 -16 47 24.7 V C40
2022-03-26 16:52:33 C 09 53 17.65 -16 47 26.3 V C40
2022-03-26 16:53:15 C 09 53 17.78 -16 47 27.1 V C40
2022-03-26 16:55:22 C 09 53 18.18 -16 47 29.4 V C40
2022-03-26 16:56:04 C 09 53 18.31 -16 47 30.3 V C40
2022-03-26 16:59:37 C 09 53 18.96 -16 47 34.1 V C40
2022-03-26 17:00:18 C 09 53 19.09 -16 47 35.0 V C40
2022-03-26 17:08:13 C 09 53 20.56 -16 47 43.7 V C40
2022-03-26 17:08:56 C 09 53 20.70 -16 47 44.4 V C40
2022-03-26 17:09:37 C 09 53 20.82 -16 47 45.2 V C40
2022-03-26 17:18:49 C 09 53 22.53 -16 47 55.3 V C40
2022-03-26 17:23:04 C 09 53 23.31 -16 47 59.9 V C40
2022-03-26 17:28:45 C 09 53 24.36 -16 48 06.2 V C40
2022-03-26 17:30:09 C 09 53 24.63 -16 48 07.6 V C40
2022-03-26 17:30:52 C 09 53 24.76 -16 48 08.4 V C40
2022-03-26 17:31:35 C 09 53 24.89 -16 48 09.1 V C40
2022-03-26 17:32:59 C 09 53 25.15 -16 48 10.7 V C40
2022-03-26 17:34:26 C 09 53 25.41 -16 48 12.4 V C40
2022-03-26 17:35:07 C 09 53 25.54 -16 48 13.1 V C40
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)