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
2022-01-16 17:15:28 C 02 57 03.25 +40 58 21.8 V L92
2022-01-16 17:25:02 C 02 57 03.68 +40 58 16.3 V L92
2022-01-16 17:35:38 C 02 57 04.07 +40 58 11.4 V L92
2022-01-16 22:04:10 C 02 57 18.99 +40 55 36.8 V Z80
2022-01-16 22:06:00 C 02 57 19.13 +40 55 35.7 V Z80
2022-01-16 22:07:49 C 02 57 19.25 +40 55 34.5 V Z80
2022-01-17 15:43:13 C 02 58 29.60 +40 46 44.9 q C97
2022-01-17 15:45:37 C 02 58 29.72 +40 46 43.6 q C97
2022-01-17 15:48:00 C 02 58 29.84 +40 46 42.3 q C97
2022-01-17 15:50:25 C 02 58 29.96 +40 46 41.0 q C97
2022-01-18 00:44:30 C 02 59 07.68 +40 41 46.9 q H45
2022-01-18 00:48:30 C 02 59 07.89 +40 41 44.7 q H45
2022-01-18 00:50:12 C 02 59 07.98 +40 41 43.7 q H45
2022-01-18 00:54:58 C 02 59 08.23 +40 41 41.5 q H45
2022-01-18 05:10:40 C 02 59 23.66 +40 39 20.1 V V16
2022-01-18 05:14:22 C 02 59 23.91 +40 39 18.0 V V16
2022-01-18 05:19:07 C 02 59 24.17 +40 39 15.0 V V16
2022-01-18 05:23:41 C 02 59 24.45 +40 39 12.2 V V16
2022-01-18 05:27:55 C 02 59 24.72 +40 39 09.4 V V16
2022-01-18 05:32:14 C 02 59 25.00 +40 39 07.1 V V16
2022-01-18 05:35:26 C 02 59 27.58 +40 39 22.4 V T08
2022-01-18 05:36:36 C 02 59 25.24 +40 39 04.3 V V16
2022-01-18 05:40:50 C 02 59 25.50 +40 39 01.6 V V16
2022-01-18 05:49:37 C 02 59 26.03 +40 38 56.0 V V16
2022-01-18 06:00:12 C 02 59 28.93 +40 39 08.9 V T08
2022-01-18 06:04:51 C 02 59 29.19 +40 39 06.2 V T08
2022-01-18 06:06:50 C 02 59 29.30 +40 39 05.1 V T08
2022-01-18 06:20:05 C 02 59 30.02 +40 38 57.7 V T08
2022-01-18 06:21:24 C 02 59 30.10 +40 38 56.9 V T08
2022-01-18 06:39:21 C 02 59 31.10 +40 38 46.7 V T08
2022-01-19 06:54:29 C 03 01 18.79 +40 25 29.4 V T08
2022-01-19 06:59:09 C 03 01 19.09 +40 25 26.7 V T08
2022-01-19 07:08:27 C 03 01 19.67 +40 25 21.0 V T08
2022-01-19 07:25:02 C 03 01 20.70 +40 25 10.9 V T08
2022-01-21 04:47:41 C 03 05 06.63 +39 59 05.2 V G96
2022-01-21 04:55:08 C 03 05 07.21 +39 59 00.1 V G96
2022-01-21 05:02:35 C 03 05 07.77 +39 58 55.4 V G96
2022-01-21 05:10:03 C 03 05 08.36 +39 58 50.3 V G96
2022-01-22 01:32:38 C 03 07 02.27 +39 46 46.1 q H45
2022-01-22 01:35:12 C 03 07 02.48 +39 46 44.4 q H45
2022-01-22 01:37:38 C 03 07 02.67 +39 46 42.9 q H45
2022-01-22 01:39:30 C 03 07 02.82 +39 46 41.8 q H45
2022-01-22 01:41:47 C 03 07 03.00 +39 46 40.4 q H45
2022-01-22 03:25:33 C 03 07 12.31 +39 45 39.1 V 703
2022-01-22 03:33:11 C 03 07 12.92 +39 45 34.2 V 703
2022-01-22 03:40:47 C 03 07 13.52 +39 45 29.4 V 703
2022-01-22 03:48:24 C 03 07 14.20 +39 45 24.3 V 703
2022-01-22 07:32:17 C 03 07 34.64 +39 43 16.1 V T08
2022-01-22 07:40:15 C 03 07 35.29 +39 43 10.7 V T08
2022-01-22 08:11:03 C 03 07 37.83 +39 42 49.5 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)