2021 SB5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4545976971 ± 8.24e-07
Semi-major axis (a)1.2026028925 AU ± 2.20e-08
Inclination (i)20.53320468° ± 3.10e-05
Long. of Asc. Node (Ω)187.47741399° ± 9.95e-06
Arg. of Perihelion (ω)11.61172588° ± 8.65e-05
Mean Anomaly (M)210.20360115° ± 2.00e-04
Mean Motion (n)0.7473583826°/day ± 2.05e-08
Perihelion dist (q)0.65590239 AU ± 9.91e-07
Aphelion dist (Q)1.74930340 AU ± 9.91e-07
Orbital Period1.31881345 yr ± 3.62e-08
Physical Parameters
H (abs. magnitude)20.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.148″
Uncertainty0
Orbit TypeApollo
MOID0.312037 AU
Observations Used53
Oppositions4
Arc Total2009-2025
First Observation Used2009-09-19
Last Observation Used2025-10-24
Observations (54)
Date Type RA Dec Mag Band Observatory
2009-09-19 10:18:03 C 22 32 29.602 +07 42 20.27 V F51
2009-09-19 10:30:03 C 22 32 28.850 +07 42 00.35 V F51
2013-08-27 14:47:21 C 00 20 07.753 +20 15 29.70 V F51
2013-08-27 14:54:02 C 00 20 07.243 +20 15 22.34 V F51
2013-09-02 13:09:57 C 00 09 22.268 +17 37 39.08 V F51
2013-09-16 09:26:18 C 23 41 29.262 +10 06 22.05 V F51
2013-09-23 10:30:30 C 23 27 59.027 +06 00 41.94 V F51
2013-09-23 10:47:07 C 23 27 57.719 +06 00 17.76 V F51
2017-08-26 10:17:08 C 01 07 45.046 +18 28 13.89 V F51
2017-08-26 14:42:32 C 01 07 33.101 +18 25 04.57 V F51
2017-08-27 08:32:22 C 01 06 48.120 +18 12 01.84 V F51
2017-09-02 10:26:11 C 00 59 24.723 +16 11 51.66 V F51
2017-09-02 10:42:06 C 00 59 23.763 +16 11 37.20 V F51
2017-09-02 10:58:06 C 00 59 22.824 +16 11 23.14 V F51
2017-09-22 10:03:21 C 00 24 25.015 +07 04 10.47 V F51
2017-09-22 10:20:30 C 00 24 23.545 +07 03 48.32 V F51
2017-09-22 10:37:43 C 00 24 22.063 +07 03 25.55 V F51
2017-09-22 10:54:54 C 00 24 20.601 +07 03 03.34 V F51
2021-09-08 14:26:32 C 01 33 09.371 +12 59 43.86 V F51
2021-09-08 14:27:31 C 01 33 09.332 +12 59 42.78 V F51
2021-09-09 09:21:36 C 01 32 14.383 +12 42 54.09 V F51
2021-09-09 09:34:23 C 01 32 13.705 +12 42 42.86 V F51
2021-09-09 09:47:01 C 01 32 13.080 +12 42 31.52 V F51
2021-09-09 09:59:39 C 01 32 12.388 +12 42 20.16 V F51
2021-09-09 13:20:31 C 01 32 01.732 +12 39 19.78 V F51
2021-09-09 13:21:27 C 01 32 01.673 +12 39 19.04 V F51
2021-09-11 10:40:00 C 01 29 39.654 +11 57 24.81 V F52
2021-09-11 10:58:27 C 01 29 38.571 +11 57 07.16 V F52
2021-09-11 11:16:56 C 01 29 37.534 +11 56 49.92 V F52
2021-09-11 11:35:31 C 01 29 36.459 +11 56 32.40 V F52
2021-09-30 09:55:39 C 00 57 49.758 +03 27 41.95 U F52
2021-09-30 10:12:10 C 00 57 48.389 +03 27 21.66 U F52
2021-09-30 10:28:45 C 00 57 47.010 +03 27 01.67 U F52
2021-09-30 10:45:27 C 00 57 45.606 +03 26 41.09 U F52
2021-09-30 13:31:00 C 00 57 31.887 +03 23 18.50 V F51
2021-09-30 13:32:10 C 00 57 31.794 +03 23 17.06 V F51
2021-10-02 11:10:16 C 00 53 52.306 +02 27 31.36 U F51
2021-10-02 11:22:57 C 00 53 51.252 +02 27 15.82 U F51
2021-10-02 11:35:32 C 00 53 50.194 +02 27 00.54 U F51
2021-10-02 11:48:04 C 00 53 49.144 +02 26 45.26 U F51
2021-10-04 08:55:48 C 00 50 11.768 +01 31 49.04 U F51
2021-10-04 09:14:34 C 00 50 10.192 +01 31 26.39 U F51
2021-10-04 09:33:26 C 00 50 08.618 +01 31 03.53 U F51
2021-10-04 09:52:14 C 00 50 07.043 +01 30 40.63 U F51
2021-10-06 08:24:55 C 00 46 23.432 +00 34 33.63 U F51
2021-10-06 08:39:46 C 00 46 22.199 +00 34 15.83 U F51
2021-10-06 08:54:39 C 00 46 20.965 +00 33 57.90 U F51
2025-09-25 20:44:07 C 01 51 07.212 +05 53 22.11 W O18
2025-09-25 21:22:46 C 01 51 04.614 +05 52 40.29 W O18
2025-09-28 20:02:59 C 01 46 22.101 +04 33 53.47 W O18