IAA RAS IAA Minor Planet Database

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
2020-11-28 09:24:49 C 09 30 55.70 +25 28 20.8 – V G96
2020-11-28 11:27:44 C 09 30 54.48 +25 27 25.2 – V I41
2020-11-28 12:34:50 C 09 30 53.77 +25 26 54.9 – V I41
2020-11-30 12:48:45 C 09 30 22.50 +25 04 58.8 – V T05
2020-11-30 12:59:22 C 09 30 22.34 +25 04 53.7 – V T05
2020-11-30 13:02:00 C 09 30 22.33 +25 04 52.8 – V T05
2020-11-30 13:09:18 C 09 30 22.22 +25 04 49.8 – V T05
2020-12-02 12:46:43 C 09 29 39.86 +24 43 06.3 – V T08
2020-12-02 12:50:41 C 09 29 39.82 +24 43 04.2 – V T08
2020-12-02 13:02:56 C 09 29 39.56 +24 42 58.8 – V T08
2020-12-02 13:10:14 C 09 29 39.41 +24 42 55.4 – V T08
2020-12-08 13:01:45 C 09 26 20.63 +23 36 47.8 – V T05
2020-12-08 13:05:02 C 09 26 20.52 +23 36 46.5 – V T05
2020-12-08 13:11:41 C 09 26 20.32 +23 36 43.5 – V T05
2020-12-08 13:23:53 C 09 26 19.99 +23 36 37.8 – V T05
2020-12-12 12:30:01 C 09 23 07.47 +22 52 15.5 – V T05
2020-12-12 12:34:38 C 09 23 07.29 +22 52 13.5 – V T05
2020-12-12 12:40:33 C 09 23 07.07 +22 52 10.6 – V T05
2020-12-12 12:45:53 C 09 23 06.839 +22 52 08.18 – U F52
2020-12-12 12:48:29 C 09 23 06.74 +22 52 07.0 – V T05
2020-12-12 13:03:31 C 09 23 06.137 +22 51 59.92 – U F52
2020-12-12 13:21:12 C 09 23 05.429 +22 51 51.64 – U F52
2020-12-14 09:32:58 C 09 21 18.69 +22 30 57.9 – V 703
2020-12-14 09:40:28 C 09 21 18.37 +22 30 54.3 – V 703
2020-12-14 09:47:59 C 09 21 18.03 +22 30 50.7 – V 703
2020-12-14 09:55:30 C 09 21 17.67 +22 30 47.3 – V 703
2020-12-14 12:05:18 C 09 21 12.33 +22 29 47.1 – V T08
2020-12-14 12:10:01 C 09 21 12.13 +22 29 44.7 – V T08
2020-12-14 12:14:40 C 09 21 11.91 +22 29 42.8 – V T08
2020-12-14 12:22:04 C 09 21 11.57 +22 29 39.3 – V T08
2020-12-15 05:37:21 C 09 20 26.77 +22 21 24.5 – V W33
2020-12-15 05:48:15 C 09 20 26.27 +22 21 19.4 – V W33
2020-12-15 05:59:10 C 09 20 25.78 +22 21 14.1 – V W33
2020-12-16 09:29:18 C 09 19 10.51 +22 08 06.6 – V G96
2020-12-16 09:36:43 C 09 19 10.15 +22 08 03.1 – V G96
2020-12-16 09:44:09 C 09 19 09.80 +22 07 59.6 – V G96
2020-12-16 09:51:34 C 09 19 09.43 +22 07 56.0 – V G96
2020-12-17 10:08:11 C 09 17 59.53 +21 56 15.3 – V I41
2020-12-17 12:11:07 C 09 17 53.25 +21 55 16.2 – V I41
2020-12-18 09:48:07 C 09 16 48.19 +21 44 49.0 – V 703
2020-12-18 09:55:42 C 09 16 47.81 +21 44 45.5 – V 703
2020-12-18 10:03:16 C 09 16 47.39 +21 44 41.9 – V 703
2020-12-21 08:33:13 C 09 12 56.49 +21 10 09.7 – V 703
2020-12-21 08:40:46 C 09 12 56.05 +21 10 06.0 – V 703
2020-12-21 08:48:19 C 09 12 55.61 +21 10 02.5 – V 703
2020-12-21 08:55:52 C 09 12 55.14 +21 09 58.7 – V 703
2020-12-22 12:10:07 C 09 11 18.48 +20 56 29.0 – V T08
2020-12-22 12:13:26 C 09 11 18.26 +20 56 27.2 – V T08
2020-12-22 12:17:26 C 09 11 18.02 +20 56 25.4 – V T08
2020-12-22 12:58:26 C 09 11 15.44 +20 56 05.0 – V T08