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
2022-06-19 01:14:16 C 13 13 15.430 -20 42 54.94 V W68
2022-06-19 01:28:43 C 13 13 16.488 -20 42 56.52 V W68
2022-06-23 03:42:01 C 13 20 35.585 -20 52 21.14 V 703
2022-06-23 03:54:59 C 13 20 36.600 -20 52 19.49 V 703
2022-06-23 04:00:48 C 13 20 37.050 -20 52 19.34 V 703
2022-06-27 05:48:27 S 13 27 54.23 -21 02 35.2 L C51
2022-06-27 08:56:12 S 13 28 08.11 -21 02 56.4 L C51
2022-06-27 15:11:55 S 13 28 36.17 -21 03 37.5 L C51
2022-06-27 15:12:06 S 13 28 36.15 -21 03 35.6 L C51
2022-06-27 19:53:56 S 13 28 57.166 -21 04 08.98 L C51
2022-06-27 21:27:49 S 13 29 04.198 -21 04 19.81 L C51
2022-06-28 02:09:40 S 13 29 25.13 -21 04 52.4 L C51
2022-06-28 14:41:06 S 13 30 21.03 -21 06 20.0 L C51
2022-06-28 17:49:03 S 13 30 35.13 -21 06 40.6 L C51
2023-07-12 13:09:43 C 22 20 33.708 -11 29 16.02 X F51
2023-07-12 13:38:26 C 22 20 32.989 -11 29 18.56 X F51
2023-07-12 13:52:55 C 22 20 32.619 -11 29 19.87 X F51
2023-07-27 11:40:20 C 22 09 12.955 -12 13 57.47 X F52
2023-07-27 11:53:19 C 22 09 12.444 -12 13 59.48 X F52
2023-07-27 12:06:20 C 22 09 11.932 -12 14 01.60 X F52
2023-07-27 12:19:20 C 22 09 11.402 -12 14 03.49 X F52
2023-08-23 09:04:44 C 21 39 39.665 -14 08 11.10 X F52
2023-08-23 09:23:13 C 21 39 38.730 -14 08 14.32 X F52
2023-08-23 09:41:43 C 21 39 37.813 -14 08 17.50 X F52
2023-09-08 08:49:30 C 21 22 26.305 -15 06 27.54 X F52
2023-09-08 09:05:13 C 21 22 25.648 -15 06 29.42 X F52
2023-09-08 09:20:57 C 21 22 25.009 -15 06 31.29 X F52
2023-09-14 06:14:20 C 21 17 10.197 -15 22 12.53 X F52
2023-09-14 06:33:43 C 21 17 09.505 -15 22 14.43 X F52
2023-09-14 07:12:22 C 21 17 08.127 -15 22 17.95 X F52
2023-09-17 07:11:42 C 21 14 45.527 -15 28 54.67 X F51
2023-09-17 07:43:12 C 21 14 44.499 -15 28 57.20 X F51
2023-09-17 07:58:55 C 21 14 43.996 -15 28 58.36 X F51
2024-09-13 14:31:59 C 07 12 21.023 +28 44 58.83 X F52
2024-09-13 14:38:37 C 07 12 22.154 +28 44 56.95 X F52
2024-09-13 14:45:15 C 07 12 23.294 +28 44 55.26 X F52
2024-09-13 14:51:53 C 07 12 24.422 +28 44 53.52 X F52
2025-01-02 12:59:08 C 14 37 52.295 -18 15 54.65 V G96
2025-01-02 13:04:38 C 14 37 53.065 -18 15 59.72 V G96
2025-01-02 13:10:07 C 14 37 53.839 -18 16 04.69 V G96
2025-01-02 13:15:37 C 14 37 54.613 -18 16 09.77 V G96
2025-01-11 08:14:40 C 15 07 24.08 -21 16 03.1 X W84
2025-01-11 08:25:28 C 15 07 25.54 -21 16 11.7 X W84
2025-01-11 08:36:23 C 15 07 27.03 -21 16 20.4 X W84
2025-06-05 21:10:22 C 17 32 49.231 -35 24 22.97 V M22
2025-06-05 21:13:37 C 17 32 49.099 -35 24 21.82 V M22
2025-06-05 22:03:29 C 17 32 45.026 -35 24 15.34 V M22
2025-06-05 22:11:05 C 17 32 44.465 -35 24 14.87 V M22
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)