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
2004-08-28 05:01:13 C 21 38 12.16 +70 38 42.7 c H41
2004-08-28 05:02:18 C 21 38 11.96 +70 38 43.9 c H41
2004-08-28 05:59:48 C 21 37 58.74 +70 39 34.0 16.0 c 704
2004-08-28 06:14:48 C 21 37 55.10 +70 39 46.9 16.2 c 704
2004-08-28 06:29:37 C 21 37 51.60 +70 39 59.7 16.0 c 704
2004-08-28 06:44:25 C 21 37 48.10 +70 40 12.8 16.2 c 704
2004-08-30 05:39:33 C 21 26 54.11 +71 17 55.8 c H41
2004-08-30 05:41:03 C 21 26 53.69 +71 17 56.8 c H41
2004-08-30 05:42:27 C 21 26 53.38 +71 17 58.0 c H41
2004-08-30 05:43:57 C 21 26 53.02 +71 17 59.0 c H41
2004-08-30 05:45:23 C 21 26 52.70 +71 18 00.2 c H41
2004-08-31 06:19:34 C 21 21 04.64 +71 35 18.2 c H41
2004-08-31 06:21:02 C 21 21 04.27 +71 35 19.3 c H41
2004-08-31 06:23:02 C 21 21 03.77 +71 35 20.6 c H41
2004-08-31 06:27:41 C 21 21 02.65 +71 35 23.7 c H41
2004-08-31 06:29:12 C 21 21 02.26 +71 35 24.5 c H41
2004-09-01 05:29:43 C 21 15 35.15 +71 50 08.3 c H41
2004-09-01 05:31:10 C 21 15 34.76 +71 50 09.2 c H41
2004-09-01 05:32:29 C 21 15 34.42 +71 50 09.5 c H41
2004-09-01 05:33:44 C 21 15 34.14 +71 50 10.7 c H41
2004-09-01 05:35:14 C 21 15 33.76 +71 50 11.6 c H41
2004-09-02 06:02:15 C 21 09 44.61 +72 04 17.4 c H41
2004-09-02 06:04:15 C 21 09 44.09 +72 04 18.6 c H41
2004-09-02 06:05:34 C 21 09 43.82 +72 04 19.3 c H41
2004-09-02 06:06:39 C 21 09 43.46 +72 04 19.4 c H41
2004-09-02 06:08:14 C 21 09 43.12 +72 04 20.5 c H41
2004-09-02 19:17:29 C 21 06 37.19 +72 11 14.6 o 240
2004-09-02 19:19:04 C 21 06 36.80 +72 11 15.5 o 240
2004-09-02 19:20:38 C 21 06 36.43 +72 11 16.3 o 240
2004-09-02 19:22:11 C 21 06 36.03 +72 11 17.1 o 240
2004-09-02 19:25:20 C 21 06 35.29 +72 11 18.7 o 240
2004-09-02 19:26:53 C 21 06 34.90 +72 11 19.7 o 240
2004-09-02 19:28:26 C 21 06 34.50 +72 11 20.6 o 240
2004-09-02 20:59:45 C 21 06 12.07 +72 12 08.6 c A48
2004-09-02 21:02:51 C 21 06 11.31 +72 12 10.3 c A48
2004-09-02 21:05:57 C 21 06 10.57 +72 12 11.9 c A48
2004-09-02 21:59:16 C 21 05 57.69 +72 12 37.6 c 127
2004-09-02 22:05:17 C 21 05 56.19 +72 12 40.7 c 127
2004-09-02 22:12:21 C 21 05 54.46 +72 12 44.1 c 127
2004-09-02 22:17:43 C 21 05 53.09 +72 12 48.1 o A16
2004-09-02 22:20:10 C 21 05 52.53 +72 12 48.2 c 127
2004-09-02 22:21:38 C 21 05 52.14 +72 12 50.1 o A16
2004-09-02 22:25:12 C 21 05 51.27 +72 12 51.8 o A16
2004-09-02 22:28:10 C 21 05 50.53 +72 12 53.3 o A16
2004-09-02 22:32:04 C 21 05 49.59 +72 12 55.3 o A16
2004-09-03 11:17:25 C 21 02 49.20 +72 19 09.1 r 379
2004-09-03 11:21:22 C 21 02 48.25 +72 19 11.2 r 379
2004-09-03 11:25:21 C 21 02 47.27 +72 19 13.1 r 379
2004-09-04 06:16:11 C 20 58 18.00 +72 27 38.3 c H41
2004-09-04 06:21:09 C 20 58 16.78 +72 27 40.2 c H41