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
2024-07-30 21:33:36 C 20 49 33.173 +24 42 58.39 Z C23
2024-07-30 21:34:42 B 20 49 32.868 +24 43 01.24 V L65
2024-07-30 22:04:33 B 20 49 27.394 +24 44 41.28 V L65
2024-07-30 22:26:23 B 20 49 23.81 +24 45 56.9 Z Y85
2024-07-30 22:34:09 B 20 49 21.970 +24 46 20.03 V L65
2024-07-30 22:37:09 B 20 49 21.83 +24 46 32.9 Z Y85
2024-07-30 22:48:03 B 20 49 19.82 +24 47 09.4 Z Y85
2024-07-30 22:59:13 C 20 49 17.424 +24 47 44.38 Z C23
2024-07-30 23:00:10 C 20 49 17.256 +24 47 47.62 Z C23
2024-07-31 11:13:55 C 20 47 05.129 +25 28 18.26 V T05
2024-07-31 11:18:29 C 20 47 04.279 +25 28 33.06 V T05
2024-07-31 11:26:43 C 20 47 02.738 +25 28 59.95 V T05
2024-07-31 12:09:46 C 20 46 54.713 +25 31 19.78 V T05
2024-07-31 22:57:01 B 20 44 59.306 +26 05 58.42 V L65
2024-07-31 23:01:12 B 20 44 58.534 +26 06 11.84 V L65
2024-07-31 23:05:23 B 20 44 57.766 +26 06 25.27 V L65
2024-07-31 23:11:56 C 20 44 56.786 +26 06 47.77 V Z43
2024-07-31 23:31:56 C 20 44 52.59 +26 07 51.9 M32
2024-07-31 23:34:38 C 20 44 52.09 +26 08 00.5 M32
2024-07-31 23:37:19 C 20 44 51.59 +26 08 09.0 M32
2024-07-31 23:40:01 C 20 44 51.09 +26 08 17.6 M32
2024-07-31 23:42:42 C 20 44 50.59 +26 08 26.2 M32
2024-08-01 00:03:45 C 20 44 47.225 +26 09 33.62 V Z43
2024-08-01 11:02:48 C 20 42 48.446 +26 44 32.68 V T08
2024-08-01 11:07:28 C 20 42 47.573 +26 44 47.26 V T08
2024-08-01 11:18:46 C 20 42 45.461 +26 45 22.61 V T08
2024-08-01 11:32:57 C 20 42 42.814 +26 46 06.78 V T08
2024-08-01 19:37:41 C 20 41 17.237 +27 11 02.83 X M26
2024-08-01 20:18:14 C 20 41 09.58 +27 13 08.0 X G02
2024-08-01 20:21:02 B 20 41 08.82 +27 13 17.3 X L99
2024-08-01 20:24:05 B 20 41 08.26 +27 13 27.1 X L99
2024-08-01 20:26:02 C 20 41 08.15 +27 13 32.3 X G02
2024-08-01 20:27:08 B 20 41 07.71 +27 13 35.8 X L99
2024-08-01 20:30:11 B 20 41 07.20 +27 13 45.7 X L99
2024-08-01 20:33:14 B 20 41 06.56 +27 13 54.8 X L99
2024-08-01 20:33:51 C 20 41 06.70 +27 13 56.5 X G02
2024-08-01 21:16:39 C 20 40 59.023 +27 16 10.78 X M26
2024-08-01 21:40:12 C 20 40 55.058 +27 17 24.68 X Z55
2024-08-01 21:40:44 C 20 40 54.948 +27 17 26.45 X Z55
2024-08-01 21:41:16 C 20 40 54.857 +27 17 28.21 X Z55
2024-08-01 21:41:49 C 20 40 54.770 +27 17 29.87 X Z55
2024-08-01 21:42:21 C 20 40 54.660 +27 17 31.52 X Z55
2024-08-01 21:42:52 C 20 40 54.557 +27 17 33.14 X Z55
2024-08-01 21:43:25 C 20 40 54.485 +27 17 34.76 X Z55
2024-08-01 21:43:57 C 20 40 54.365 +27 17 36.53 X Z55
2024-08-01 21:44:30 C 20 40 54.266 +27 17 38.15 X Z55
2024-08-01 21:45:02 C 20 40 54.170 +27 17 39.73 X Z55
2024-08-01 21:45:35 C 20 40 54.084 +27 17 41.57 X Z55
2024-08-01 21:46:08 C 20 40 53.959 +27 17 43.19 X Z55
2024-08-01 21:46:40 C 20 40 53.861 +27 17 44.99 X Z55