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
2013-12-02 21:47:53 C 02 28 09.47 +80 49 02.3 c A24
2013-12-02 22:47:42 C 02 28 05.69 +80 47 46.1 c A24
2013-12-02 22:48:44 C 02 28 05.67 +80 47 45.1 c A24
2013-12-03 20:00:31 C 02 27 08.24 +80 20 46.1 c A24
2013-12-03 20:01:34 C 02 27 08.18 +80 20 45.1 c A24
2013-12-04 20:06:04 C 02 26 16.66 +79 49 29.4 c A24
2013-12-04 20:07:06 C 02 26 16.65 +79 49 28.4 c A24
2013-12-04 21:06:38 C 02 26 14.27 +79 48 10.1 c A24
2013-12-04 21:07:39 C 02 26 14.24 +79 48 09.0 c A24
2013-12-06 21:20:11 C 02 25 15.91 +78 43 39.8 c A24
2013-12-06 21:21:13 C 02 25 15.85 +78 43 38.8 c A24
2013-12-06 22:19:42 C 02 25 14.61 +78 42 18.4 c A24
2013-12-06 22:20:44 C 02 25 14.72 +78 42 17.6 c A24
2013-12-07 20:26:07 C 02 25 06.00 +78 11 57.7 c A24
2013-12-07 20:27:10 C 02 25 05.99 +78 11 56.3 c A24
2013-12-07 21:26:47 C 02 25 05.24 +78 10 33.3 c A24
2013-12-07 21:27:50 C 02 25 05.21 +78 10 32.1 c A24
2013-12-08 16:39:08 C 02 25 04.97 +77 43 46.8 r 168
2013-12-08 16:47:16 C 02 25 04.92 +77 43 35.7 r 168
2013-12-08 21:09:36 C 02 25 04.12 +77 37 24.5 r 168
2013-12-08 21:14:26 C 02 25 04.02 +77 37 18.1 r 168
2013-12-10 19:20:54 C 02 25 31.30 +76 31 38.8 c I99
2013-12-10 19:30:14 C 02 25 31.46 +76 31 25.6 c I99
2013-12-10 19:32:06 C 02 25 31.54 +76 31 23.3 c I99
2013-12-10 20:09:31 C 02 25 31.20 +76 30 28.7 c A24
2013-12-10 20:10:33 C 02 25 31.20 +76 30 27.7 c A24
2013-12-10 21:09:52 C 02 25 31.65 +76 29 01.1 c A24
2013-12-10 21:10:54 C 02 25 31.68 +76 29 00.0 c A24
2013-12-11 17:50:29 C 02 25 54.13 +75 58 56.4 c A24
2013-12-11 17:51:32 C 02 25 54.11 +75 58 55.3 c A24
2013-12-11 18:53:02 C 02 25 54.87 +75 57 26.1 c A24
2013-12-11 18:54:05 C 02 25 54.89 +75 57 24.7 c A24
2013-12-11 19:26:46 C 02 25 55.28 +75 56 36.8 c A24
2013-12-11 19:27:48 C 02 25 55.28 +75 56 35.7 c A24
2013-12-11 20:38:34 C 02 25 56.15 +75 54 52.3 c A24
2013-12-11 20:39:36 C 02 25 56.17 +75 54 50.9 c A24
2013-12-12 18:56:23 C 02 26 25.90 +75 22 03.1 c A24
2013-12-12 18:57:24 C 02 26 25.88 +75 22 01.9 c A24
2013-12-12 19:57:12 C 02 26 26.91 +75 20 33.6 c A24
2013-12-12 19:58:16 C 02 26 26.91 +75 20 32.2 c A24
2013-12-13 18:28:35 C 02 27 02.35 +74 47 02.4 c A24
2013-12-13 18:29:36 C 02 27 02.34 +74 47 01.0 c A24
2013-12-13 19:31:11 C 02 27 03.67 +74 45 29.3 c A24
2013-12-13 19:32:13 C 02 27 03.66 +74 45 28.0 c A24
2013-12-15 19:55:00 C 02 28 34.47 +73 32 22.9 c A24
2013-12-15 19:56:02 C 02 28 34.50 +73 32 21.3 c A24
2013-12-15 20:54:11 C 02 28 36.15 +73 30 52.1 c A24
2013-12-15 20:55:14 C 02 28 36.20 +73 30 51.0 c A24
2013-12-16 04:52:41 C 02 28 52.58 +73 18 42.5 q H45
2013-12-16 04:54:14 C 02 28 52.59 +73 18 39.9 q H45