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
2024-08-11 23:06:02 B 19 59 10.832 +37 01 43.70 V L92
2024-08-11 23:09:04 C 19 59 10.639 +37 01 44.80 Z C23
2024-08-11 23:10:18 C 19 59 10.430 +37 01 46.88 Z C23
2024-08-11 23:16:08 B 19 59 09.186 +37 02 00.71 V L92
2024-08-11 23:26:14 B 19 59 07.416 +37 02 19.47 V L92
2024-08-11 23:36:20 B 19 59 05.776 +37 02 36.88 V L92
2024-08-11 23:46:25 B 19 59 04.194 +37 02 55.04 V L92
2024-08-11 23:56:31 B 19 59 02.568 +37 03 12.51 V L92
2024-08-12 00:06:37 B 19 59 00.826 +37 03 30.96 V L92
2024-08-12 00:16:42 B 19 58 59.276 +37 03 49.35 V L92
2024-08-12 00:26:48 B 19 58 57.509 +37 04 07.54 V L92
2024-08-12 00:36:53 B 19 58 55.908 +37 04 25.44 V L92
2024-08-12 00:46:59 B 19 58 54.227 +37 04 41.39 V L92
2024-08-12 00:57:05 B 19 58 52.551 +37 04 58.84 V L92
2024-08-12 01:07:11 B 19 58 50.931 +37 05 16.07 V L92
2024-08-12 09:33:20 C 19 57 31.236 +37 20 19.82 V T05
2024-08-12 09:37:54 C 19 57 30.480 +37 20 27.78 V T05
2024-08-12 09:45:54 C 19 57 29.150 +37 20 41.64 V T05
2024-08-12 20:21:18 C 19 55 49.285 +37 38 45.54 V 089
2024-08-12 20:23:40 C 19 55 48.961 +37 38 48.81 V 089
2024-08-12 20:26:02 C 19 55 48.609 +37 38 53.04 V 089
2024-08-12 20:28:24 C 19 55 48.182 +37 38 56.92 V 089
2024-08-12 20:33:08 C 19 55 47.432 +37 39 05.16 V 089
2024-08-12 20:35:30 C 19 55 47.025 +37 39 09.52 V 089
2024-08-12 20:37:52 C 19 55 46.657 +37 39 13.16 V 089
2024-08-12 20:40:14 C 19 55 46.289 +37 39 17.15 V 089
2024-08-13 05:57:22 C 19 54 20.558 +37 54 55.04 V T05
2024-08-13 06:31:42 C 19 54 15.036 +37 55 52.90 V T05
2024-08-13 06:36:15 C 19 54 14.306 +37 56 00.49 V T05
2024-08-13 06:53:00 C 19 54 11.597 +37 56 28.97 V T08
2024-08-13 06:55:39 C 19 54 11.165 +37 56 33.47 V T08
2024-08-13 07:00:27 C 19 54 10.394 +37 56 41.46 V T08
2024-08-13 07:52:26 C 19 54 01.987 +37 58 07.93 V T08
2024-08-13 10:12:53 C 19 53 39.295 +38 01 57.18 V T05
2024-08-13 20:15:26 C 19 52 07.179 +38 17 59.52 V 089
2024-08-13 20:17:48 C 19 52 06.787 +38 18 03.45 V 089
2024-08-13 20:20:10 C 19 52 06.436 +38 18 06.88 V 089
2024-08-13 20:22:32 C 19 52 06.065 +38 18 10.69 V 089
2024-08-13 20:24:54 C 19 52 05.688 +38 18 14.75 V 089
2024-08-13 20:27:16 C 19 52 05.311 +38 18 18.27 V 089
2024-08-13 20:29:38 C 19 52 04.948 +38 18 22.25 V 089
2024-08-14 09:21:30 C 19 50 07.505 +38 38 35.74 V T08
2024-08-14 09:35:26 C 19 50 05.311 +38 38 56.98 V T08
2024-08-14 09:54:46 C 19 50 02.266 +38 39 26.24 V T08
2024-08-14 19:57:27 C 19 48 32.500 +38 54 27.25 V 089
2024-08-14 19:59:49 C 19 48 32.130 +38 54 30.74 V 089
2024-08-14 20:02:11 C 19 48 31.766 +38 54 34.43 V 089
2024-08-14 20:04:33 C 19 48 31.386 +38 54 37.75 V 089
2024-08-14 20:06:55 C 19 48 31.043 +38 54 41.16 V 089
2024-08-14 20:09:17 C 19 48 30.615 +38 54 44.62 V 089