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
2019-04-08 07:58:49 C 08 08 26.00 -20 58 57.7 V T05
2019-04-15 08:23:52 C 08 09 37.88 -20 22 42.4 q E89
2019-04-15 08:44:32 C 08 09 38.12 -20 22 37.6 q E89
2019-04-16 06:38:18 C 08 09 55.41 -20 18 22.4 V T05
2019-04-16 06:47:41 C 08 09 55.51 -20 18 20.6 V T05
2019-04-16 06:57:00 C 08 09 55.61 -20 18 18.9 V T05
2019-04-16 07:07:01 C 08 09 55.75 -20 18 17.0 V T05
2019-04-17 08:26:30 C 08 10 17.84 -20 13 22.3 V T05
2019-04-17 08:27:09 C 08 10 17.86 -20 13 21.4 V T05
2019-04-17 08:39:58 C 08 10 18.02 -20 13 20.1 V T05
2019-04-17 08:54:18 C 08 10 18.17 -20 13 17.3 V T05
2019-04-20 07:27:38 C 08 11 32.02 -20 00 18.1 V T05
2019-04-20 07:40:09 C 08 11 32.23 -20 00 16.5 V T05
2019-04-20 07:52:43 C 08 11 32.44 -20 00 13.8 V T05
2019-04-20 08:05:31 C 08 11 32.70 -20 00 12.1 V T05
2019-04-21 15:48:06 C 08 12 11.46 -19 54 44.5 q C97
2019-04-21 15:52:29 C 08 12 11.56 -19 54 43.1 q C97
2019-04-21 15:54:40 C 08 12 11.68 -19 54 39.5 q C97
2019-04-24 06:20:38 C 08 13 37.24 -19 44 33.3 V T05
2019-04-24 06:29:24 C 08 13 37.44 -19 44 31.9 V T05
2019-04-24 06:38:07 C 08 13 37.66 -19 44 30.4 V T05
2019-04-24 06:47:26 C 08 13 37.89 -19 44 28.6 V T05
2019-05-08 06:26:32 C 08 24 35.83 -19 06 09.1 V T08
2019-05-08 06:29:17 C 08 24 35.98 -19 06 08.9 V T08
2019-05-08 06:38:14 C 08 24 36.27 -19 06 08.2 V T08
2019-05-08 07:02:32 C 08 24 37.26 -19 06 06.3 V T08
2019-05-10 05:45:07 C 08 26 32.80 -19 03 06.7 V T05
2019-05-10 05:49:15 C 08 26 32.89 -19 03 06.7 V T05
2019-05-10 05:56:33 C 08 26 33.17 -19 03 06.2 V T05
2019-05-10 06:10:37 C 08 26 33.77 -19 03 05.2 V T05
2020-07-23 11:19:50 C 05 46 11.40 +46 17 43.4 U I41
2020-07-23 11:26:58 C 05 46 12.42 +46 17 42.6 U I41
2020-07-23 11:34:09 C 05 46 13.45 +46 17 41.9 U I41
2020-07-23 11:41:17 C 05 46 14.45 +46 17 41.3 U I41
2020-07-29 11:32:41 C 06 06 19.70 +45 56 49.9 U I41
2020-07-29 11:39:57 C 06 06 20.68 +45 56 48.7 U I41
2020-07-29 11:47:11 C 06 06 21.67 +45 56 47.5 U I41
2020-07-29 11:54:25 C 06 06 22.66 +45 56 46.3 U I41
2020-08-02 11:32:34 C 06 19 14.87 +45 37 51.3 U I41
2020-08-02 11:39:57 C 06 19 15.85 +45 37 49.7 U I41
2020-08-02 11:47:21 C 06 19 16.86 +45 37 48.3 U I41
2020-08-02 11:54:44 C 06 19 17.82 +45 37 46.7 U I41
2020-08-04 11:36:30 C 06 25 33.94 +45 26 57.9 U I41
2020-08-06 11:35:59 C 06 31 46.29 +45 15 13.2 U I41
2020-08-06 11:43:04 C 06 31 47.19 +45 15 11.2 U I41
2020-08-06 11:50:09 C 06 31 48.10 +45 15 09.5 U I41
2020-08-06 11:57:15 C 06 31 49.01 +45 15 08.0 U I41
2020-08-06 12:04:21 C 06 31 49.92 +45 15 06.3 U I41
2020-08-08 11:36:19 C 06 37 52.55 +45 02 38.7 U I41
2020-08-08 11:44:19 C 06 37 53.56 +45 02 36.6 U I41