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
2021-01-18 06:52:24 C 08 17 57.69 +15 04 10.3 U I41
2021-01-18 06:56:01 C 08 17 57.30 +15 04 08.5 V G96
2021-01-18 07:04:03 C 08 17 56.51 +15 04 03.7 V 703
2021-01-18 07:09:20 C 08 17 56.05 +15 04 00.5 U I41
2021-01-18 07:11:33 C 08 17 55.79 +15 03 59.4 V 703
2021-01-18 07:19:02 C 08 17 55.06 +15 03 55.0 V 703
2021-01-18 07:26:31 C 08 17 54.33 +15 03 50.6 V 703
2021-01-18 08:24:56 C 08 17 48.69 +15 03 16.6 U I41
2021-01-18 08:26:17 C 08 17 48.56 +15 03 15.8 U I41
2021-01-18 09:10:16 C 08 17 44.27 +15 02 50.2 U I41
2021-01-19 00:46:27 C 08 16 15.03 +14 53 44.3 V A16
2021-01-19 01:04:43 C 08 16 13.26 +14 53 33.6 V A16
2021-01-19 01:22:27 C 08 16 11.54 +14 53 23.2 V A16
2021-01-19 01:39:33 C 08 16 09.88 +14 53 13.2 V A16
2021-01-21 07:18:24 C 08 11 04.59 +14 22 07.7 V U68
2021-01-21 07:23:59 C 08 11 04.04 +14 22 04.5 V U68
2021-01-21 10:32:56 C 08 10 45.85 +14 20 14.8 V U68
2021-01-21 10:38:31 C 08 10 45.30 +14 20 11.5 V U68
2021-01-21 11:05:38 C 08 10 42.95 +14 19 58.5 V T05
2021-01-21 11:10:17 C 08 10 42.50 +14 19 55.8 V T05
2021-01-21 11:18:12 C 08 10 41.73 +14 19 51.3 V T05
2021-01-21 11:32:51 C 08 10 40.31 +14 19 42.7 V T05
2021-01-22 18:14:06 S 08 07 50.902 +14 03 16.63 V C57
2021-01-22 18:14:06 s 1 -154635.76 3 +327719.25 3640.0 C57
2021-01-22 18:24:07 S 08 07 49.946 +14 03 10.19 V C57
2021-01-22 18:24:07 s 1 -154886.33 8 +327368.80 9970.0 C57
2021-01-22 18:34:06 S 08 07 49.049 +14 03 05.72 V C57
2021-01-22 18:34:06 s 1 -155136.45 1 +327017.37 5500.0 C57
2021-01-22 18:44:07 S 08 07 47.906 +14 02 59.32 V C57
2021-01-22 18:44:07 s 1 -155386.10 1 +326664.95 250.0 C57
2021-01-22 18:54:06 S 08 07 47.002 +14 02 54.35 V C57
2021-01-22 18:54:06 s 1 -155635.28 6 +326311.55 4190.0 C57
2021-01-22 19:04:06 S 08 07 45.991 +14 02 47.65 V C57
2021-01-22 19:04:06 s 1 -155884.00 5 +325957.17 7350.0 C57
2021-01-22 19:14:07 S 08 07 45.077 +14 02 42.04 V C57
2021-01-22 19:14:07 s 1 -156132.25 5 +325601.80 9700.0 C57
2021-01-22 19:24:06 S 08 07 44.095 +14 02 36.13 V C57
2021-01-22 19:24:06 s 1 -156380.03 7 +325245.45 1250.0 C57
2021-01-22 19:34:07 S 08 07 43.145 +14 02 30.48 V C57
2021-01-22 19:34:07 s 1 -156627.34 7 +324888.11 2000.0 C57
2021-01-22 19:44:06 S 08 07 42.178 +14 02 23.68 V C57
2021-01-22 19:44:06 s 1 -156874.18 4 +324529.79 1930.0 C57
2021-01-22 19:54:07 S 08 07 41.141 +14 02 18.02 V C57
2021-01-22 19:54:07 s 1 -157120.54 6 +324170.48 1060.0 C57
2021-01-22 20:04:06 S 08 07 40.207 +14 02 11.54 V C57
2021-01-22 20:04:06 s 1 -157366.43 3 +323810.18 9370.0 C57
2021-01-22 20:14:07 S 08 07 39.163 +14 02 06.65 V C57
2021-01-22 20:14:07 s 1 -157611.84 2 +323448.89 6870.0 C57
2021-01-22 20:24:06 S 08 07 38.225 +14 02 01.18 V C57
2021-01-22 20:24:06 s 1 -157856.77 2 +323086.62 3540.0 C57