21088 Chelyabinsk (1992 BL2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2387361539 ± 6.03e-09
Semi-major axis (a)1.7063669522 AU ± 3.31e-10
Inclination (i)38.46248793° ± 9.84e-07
Long. of Asc. Node (Ω)297.82517282° ± 9.53e-07
Arg. of Perihelion (ω)27.19775356° ± 1.68e-06
Mean Anomaly (M)205.19142502° ± 1.08e-06
Mean Motion (n)0.4421846161°/day ± 1.29e-10
Perihelion dist (q)1.29899547 AU ± 1.03e-08
Aphelion dist (Q)2.11373844 AU ± 1.03e-08
Orbital Period2.22899270 yr ± 6.48e-10
Physical Parameters
H (abs. magnitude)14.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.228″
Uncertainty0
Orbit TypeAmor
MOID0.306089 AU
Observations Used6935
Gaia Obs Used131
Oppositions15
Arc Total1990-2026
First Observation Used1990-01-30
Last Observation Used2026-01-13
Observations (9404)
Date Type RA Dec Mag Band Observatory
2024-10-30 05:50:41 C 19 38 07.450 +46 16 04.48 V T08
2024-10-30 06:09:20 C 19 38 09.137 +46 16 04.69 V T08
2024-11-02 16:18:41 C 19 46 05.570 +46 17 52.21 W M01
2024-11-02 19:11:47 C 19 46 22.496 +46 17 53.39 W M01
2024-11-02 21:15:08 C 19 46 34.97 +46 17 54.2 V M14
2024-11-02 21:26:36 C 19 46 36.12 +46 17 54.4 V M14
2024-11-02 21:38:05 C 19 46 37.27 +46 17 54.4 V M14
2024-11-09 06:40:33 C 20 02 50.635 +46 22 24.06 V T05
2024-11-09 06:49:08 C 20 02 51.562 +46 22 24.24 V T05
2024-11-09 06:50:27 C 20 02 51.710 +46 22 24.20 V T05
2024-11-09 06:55:02 C 20 02 52.207 +46 22 24.28 V T05
2024-11-09 07:18:00 C 20 02 54.746 +46 22 24.49 V T05
2024-11-09 07:38:21 C 20 02 56.993 +46 22 24.71 V T05
2024-11-13 06:16:52 C 20 13 51.199 +46 25 38.28 V T05
2024-11-13 06:21:27 C 20 13 51.718 +46 25 38.10 V T05
2024-11-13 06:41:42 C 20 13 54.089 +46 25 38.71 V T05
2024-11-13 07:03:23 C 20 13 56.602 +46 25 38.75 V T05
2024-11-15 06:59:32 C 20 19 42.511 +46 27 18.86 V T05
2024-11-15 07:04:14 C 20 19 43.102 +46 27 19.01 V T05
2024-11-15 07:20:04 C 20 19 44.990 +46 27 19.44 V T08
2024-11-15 07:24:42 C 20 19 45.564 +46 27 19.40 V T08
2024-11-15 07:26:56 C 20 19 45.895 +46 27 19.48 V T05
2024-11-15 07:32:48 C 20 19 46.553 +46 27 19.33 V T08
2024-11-15 07:36:23 C 20 19 47.002 +46 27 19.44 V T05
2024-11-17 07:30:38 C 20 25 42.324 +46 28 59.02 V T05
2024-11-17 07:35:14 C 20 25 42.910 +46 28 58.44 V T05
2024-11-17 07:59:07 C 20 25 45.828 +46 28 59.02 V T05
2024-11-17 08:23:04 C 20 25 48.818 +46 28 59.09 V T05
2024-11-21 05:40:11 C 20 37 48.134 +46 32 04.70 V T05
2024-11-21 05:44:46 C 20 37 48.722 +46 32 04.78 V T05
2024-11-21 05:52:35 C 20 37 49.742 +46 32 04.81 V T05
2024-11-21 06:07:06 C 20 37 51.612 +46 32 04.96 V T05
2024-11-23 05:57:08 C 20 44 13.752 +46 33 28.87 V T08
2024-11-23 06:12:04 C 20 44 15.775 +46 33 29.05 V T08
2024-11-23 06:22:45 C 20 44 17.184 +46 33 29.09 V T08
2024-11-23 06:35:32 C 20 44 18.895 +46 33 29.16 V T08
2024-11-24 18:50:03 B 20 49 14.526 +46 34 24.93 V L92
2024-11-24 18:54:08 B 20 49 15.047 +46 34 24.33 V L92
2024-11-24 18:59:13 B 20 49 15.769 +46 34 24.72 V L92
2024-11-24 19:04:18 B 20 49 16.484 +46 34 24.95 V L92
2024-11-24 19:19:36 B 20 49 18.463 +46 34 24.84 V L92
2024-11-28 19:00:08 C 21 02 42.607 +46 36 26.10 Z C23
2024-11-28 21:03:10 C 21 03 00.288 +46 36 24.62 Z C23
2024-11-29 17:29:13 C 21 05 56.431 +46 36 45.36 Z C23
2024-11-29 17:52:52 C 21 05 59.875 +46 36 47.45 Z C23
2024-12-03 04:47:48 C 21 18 09.036 +46 37 39.04 V T05
2024-12-03 04:53:15 C 21 18 09.842 +46 37 38.93 V T05
2024-12-03 05:01:10 C 21 18 10.975 +46 37 38.75 V T05
2024-12-03 05:20:49 C 21 18 13.874 +46 37 38.86 V T05
2024-12-05 05:46:02 C 21 25 30.022 +46 37 41.81 V T08