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
2013-06-14 10:34:51 C 23 57 59.79 +17 48 02.9 u 703
2013-06-14 10:44:50 C 23 58 00.55 +17 48 24.9 u 703
2013-06-14 10:54:41 C 23 58 01.34 +17 48 46.6 u 703
2013-06-27 10:06:36 C 00 23 15.82 +29 20 29.0 u 703
2013-06-27 10:13:14 C 00 23 16.40 +29 20 43.4 u 703
2013-06-27 10:19:49 C 00 23 16.90 +29 20 57.8 u 703
2013-06-27 10:26:25 C 00 23 17.52 +29 21 11.5 u 703
2013-07-14 23:22:39 C 01 00 27.18 +44 45 42.9 o C41
2013-07-15 00:05:13 C 01 00 31.29 +44 47 13.1 o C41
2013-07-15 00:06:45 C 01 00 31.46 +44 47 16.6 o C41
2013-07-23 03:16:07 C 01 19 51.16 +51 27 04.0 r 006
2013-07-23 03:24:07 C 01 19 52.00 +51 27 19.7 r 006
2013-07-23 03:32:26 C 01 19 52.81 +51 27 36.1 r 006
2013-07-30 02:01:02 C 01 38 01.33 +56 45 39.9 c J19
2013-07-30 02:10:27 C 01 38 02.37 +56 45 57.5 c J19
2013-07-30 02:19:52 C 01 38 03.42 +56 46 15.1 c J19
2013-07-30 02:29:16 C 01 38 04.46 +56 46 32.4 c J19
2013-07-30 02:38:41 C 01 38 05.52 +56 46 49.8 c J19
2013-07-30 02:48:04 C 01 38 06.59 +56 47 07.1 c J19
2013-07-30 02:57:29 C 01 38 07.61 +56 47 24.6 c J19
2013-08-01 22:59:35 C 01 46 05.59 +58 50 16.3 q C18
2013-08-01 23:05:16 C 01 46 06.18 +58 50 28.1 q C18
2013-08-31 20:10:43 C 03 42 50.30 +75 34 41.1 q K48
2013-08-31 20:16:48 C 03 42 51.77 +75 34 47.2 q K48
2013-08-31 20:22:54 C 03 42 53.08 +75 34 53.1 q K48
2013-08-31 20:28:59 C 03 42 54.41 +75 34 59.8 q K48
2013-09-01 02:43:51 C 03 44 17.85 +75 41 20.7 u 510
2013-09-01 02:49:30 C 03 44 19.05 +75 41 26.4 u 510
2013-09-01 02:55:10 C 03 44 20.29 +75 41 32.2 u 510
2013-09-01 03:01:57 C 03 44 21.79 +75 41 38.8 u 510
2013-09-01 03:08:04 C 03 44 23.20 +75 41 44.9 u 510
2013-09-01 03:14:24 C 03 44 24.51 +75 41 51.5 u 510
2013-09-01 03:19:30 C 03 44 25.62 +75 41 56.4 u 510
2013-09-01 03:24:01 C 03 44 26.66 +75 42 01.0 u 510
2013-09-02 21:39:37 C 03 54 11.08 +76 22 49.7 g 012
2013-09-02 21:59:55 C 03 54 15.87 +76 23 09.2 g 012
2013-09-02 22:21:53 C 03 54 21.05 +76 23 30.4 g 012
2013-09-02 22:30:39 C 03 54 23.11 +76 23 38.9 g 012
2013-09-02 22:39:31 C 03 54 25.21 +76 23 47.4 g 012
2013-09-02 22:57:00 C 03 54 29.31 +76 24 04.3 g 012
2013-09-02 23:05:47 C 03 54 31.39 +76 24 12.8 g 012
2013-09-02 23:14:32 C 03 54 33.44 +76 24 21.2 g 012
2013-09-03 19:39:58 C 03 59 24.34 +76 43 16.2 m 006
2013-09-03 19:50:51 C 03 59 26.94 +76 43 26.4 m 006
2013-09-03 20:00:37 C 03 59 29.42 +76 43 35.0 m 006
2013-09-04 03:13:46 C 04 01 12.85 +76 50 20.5 c A24
2013-09-04 03:14:49 C 04 01 13.06 +76 50 21.0 c A24
2013-09-05 03:36:05 C 04 07 10.02 +77 12 08.3 c A24
2013-09-05 03:37:07 C 04 07 10.31 +77 12 09.1 c A24
2013-09-18 03:40:14 C 05 34 58.61 +80 50 22.5 c A24