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
2024-07-07 07:19:18 C 22 11 32.750 -11 33 54.40 V W68
2024-07-07 13:10:45 C 22 10 59.069 -11 14 22.38 V T08
2024-07-07 13:15:42 C 22 10 58.562 -11 14 05.53 V T08
2024-07-07 13:23:25 C 22 10 57.768 -11 13 39.32 V T08
2024-07-07 13:57:25 C 22 10 54.281 -11 11 43.73 V T08
2024-07-08 06:12:13 C 22 09 19.488 -10 15 37.58 V W68
2024-07-08 06:14:49 C 22 09 19.214 -10 15 28.69 V W68
2024-07-08 06:19:22 C 22 09 18.734 -10 15 12.89 V W68
2024-07-08 06:26:41 C 22 09 17.974 -10 14 47.80 V W68
2024-07-08 22:40:50 C 22 07 39.907 -09 18 24.70 V M52
2024-07-08 23:15:25 C 22 07 36.226 -09 16 22.80 V M52
2024-07-09 10:51:54 C 22 06 23.803 -08 35 02.40 V T05
2024-07-09 10:54:30 C 22 06 23.520 -08 34 53.22 V T05
2024-07-09 10:59:04 C 22 06 23.016 -08 34 36.91 V T05
2024-07-09 11:13:27 C 22 06 21.427 -08 33 45.61 V T05
2024-07-09 22:50:46 C 22 05 07.392 -07 52 02.42 V M52
2024-07-09 23:25:30 C 22 05 03.542 -07 49 57.14 V M52
2024-07-10 22:42:28 C 22 02 30.120 -06 24 39.20 V M52
2024-07-10 23:15:25 C 22 02 26.309 -06 22 37.38 V M52
2024-07-10 23:51:01 B 22 02 22.099 -06 20 26.56 V 160
2024-07-10 23:56:11 B 22 02 21.504 -06 20 07.44 V 160
2024-07-11 12:17:39 C 22 00 56.940 -05 33 53.93 V T08
2024-07-11 12:20:28 C 22 00 56.604 -05 33 43.42 V T08
2024-07-11 13:03:29 C 22 00 51.377 -05 31 01.92 V T08
2024-07-11 13:43:19 C 22 00 46.541 -05 28 32.41 V T08
2024-07-11 22:41:09 C 21 59 45.317 -04 54 50.58 V M52
2024-07-11 23:15:23 C 21 59 41.174 -04 52 41.12 V M52
2024-07-12 06:39:03 C 21 58 48.396 -04 24 09.43 V W68
2024-07-12 06:41:39 C 21 58 48.082 -04 23 59.42 V W68
2024-07-12 07:10:16 C 21 58 44.513 -04 22 10.31 V W68
2024-07-12 07:24:01 C 21 58 42.811 -04 21 17.86 V W68
2024-07-12 21:33:31 C 21 57 01.74 -03 27 28.8 M32
2024-07-12 21:36:01 C 21 57 01.43 -03 27 19.2 M32
2024-07-12 21:38:31 C 21 57 01.12 -03 27 09.6 M32
2024-07-12 21:41:00 C 21 57 00.81 -03 27 00.0 M32
2024-07-12 21:43:30 C 21 57 00.50 -03 26 50.4 M32
2024-07-14 17:58:31 C 21 51 26.438 -00 33 00.43 V P07
2024-07-14 19:20:54 C 21 51 15.197 -00 27 32.72 V P07
2024-07-14 19:26:03 C 21 51 14.491 -00 27 12.24 V P07
2024-07-14 20:25:10 C 21 51 06.410 -00 23 17.02 V P07
2024-07-14 22:07:50 B 21 50 54.324 -00 16 54.62 X M35
2024-07-14 22:12:07 C 21 50 53.947 -00 16 39.36 Z C23
2024-07-14 22:14:12 C 21 50 53.662 -00 16 30.97 Z C23
2024-07-14 22:22:02 B 21 50 52.430 -00 15 58.72 X M35
2024-07-14 22:53:54 C 21 50 48.386 -00 13 52.64 Z C23
2024-07-14 22:55:07 C 21 50 48.233 -00 13 47.96 Z C23
2024-07-14 23:17:45 B 21 50 45.192 -00 12 15.62 V 160
2024-07-14 23:20:57 B 21 50 44.762 -00 12 02.74 V 160
2024-07-14 23:24:11 B 21 50 44.321 -00 11 49.88 V 160
2024-07-15 09:57:13 C 21 49 21.221 +00 30 30.46 V T08