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
2024-08-21 19:17:16 C 19 26 10.51 +42 11 53.2 X G02
2024-08-21 20:19:39 C 19 26 03.185 +42 12 49.32 Z C23
2024-08-21 20:21:08 C 19 26 02.870 +42 12 50.98 Z C23
2024-08-22 07:08:44 C 19 24 47.630 +42 22 36.66 V T08
2024-08-22 07:11:27 C 19 24 47.294 +42 22 39.07 V T08
2024-08-22 07:15:42 C 19 24 46.786 +42 22 42.78 V T08
2024-08-22 07:23:21 C 19 24 45.842 +42 22 49.44 V T08
2024-08-22 22:47:03 C 19 23 00.04 +42 35 49.1 Z D66
2024-08-22 23:17:13 C 19 22 56.54 +42 36 13.6 Z D66
2024-08-22 23:38:31 C 19 22 54.07 +42 36 30.8 Z D66
2024-08-23 08:35:14 C 19 21 54.802 +42 44 00.06 V T08
2024-08-23 08:39:53 C 19 21 54.259 +42 44 03.66 V T08
2024-08-23 08:47:52 C 19 21 53.316 +42 44 10.00 V T08
2024-08-23 09:04:29 C 19 21 51.394 +42 44 22.99 V T08
2024-08-23 21:09:19 C 19 20 32.762 +42 53 49.45 q L05
2024-08-23 21:32:11 C 19 20 30.175 +42 54 06.95 q L05
2024-08-23 22:33:36 C 19 20 23.314 +42 54 53.50 q L05
2024-08-25 20:17:37 B 19 15 41.198 +43 27 43.02 V 160
2024-08-25 20:24:12 B 19 15 40.517 +43 27 47.41 V 160
2024-08-25 20:30:36 B 19 15 39.857 +43 27 51.70 V 160
2024-08-25 22:07:34 C 19 15 30.031 +43 28 53.26 Z C23
2024-08-25 22:32:53 C 19 15 27.425 +43 29 09.42 Z C23
2024-08-25 23:18:59 C 19 15 22.795 +43 29 39.55 Z C23
2024-08-26 17:27:08 C 19 13 38.76 +43 41 13.6 q 168
2024-08-26 17:50:34 C 19 13 36.43 +43 41 28.3 q 168
2024-08-26 18:22:39 C 19 13 33.29 +43 41 47.8 q 168
2024-08-26 18:50:35 C 19 13 30.57 +43 42 04.7 q 168
2024-08-26 19:16:39 C 19 13 28.05 +43 42 20.3 q 168
2024-08-26 19:38:35 C 19 13 25.93 +43 42 33.6 q 168
2024-08-26 19:50:46 B 19 13 25.454 +43 42 43.42 V L65
2024-08-26 19:52:20 B 19 13 25.260 +43 42 44.57 V L65
2024-08-26 19:53:39 B 19 13 25.195 +43 42 45.29 V L65
2024-08-26 20:51:42 B 19 13 19.445 +43 43 21.97 X K87
2024-08-26 20:54:50 B 19 13 19.130 +43 43 23.77 X K87
2024-08-26 20:57:59 B 19 13 18.826 +43 43 25.72 X K87
2024-08-26 21:21:42 C 19 13 16.627 +43 43 39.79 Z C23
2024-08-26 21:57:42 C 19 13 13.078 +43 44 01.50 Z C23
2024-08-26 22:59:26 C 19 13 07.099 +43 44 37.90 Z C23
2024-08-27 07:28:38 C 19 12 20.551 +43 49 53.04 V T05
2024-08-27 07:33:12 C 19 12 20.110 +43 49 55.74 V T05
2024-08-27 07:47:41 C 19 12 18.691 +43 50 04.20 V T05
2024-08-27 07:57:24 C 19 12 17.746 +43 50 09.82 V T05
2024-08-27 08:27:11 C 19 12 14.830 +43 50 27.42 V T08
2024-08-27 08:31:11 C 19 12 14.438 +43 50 29.65 V T08
2024-08-27 08:42:17 C 19 12 13.363 +43 50 35.99 V T08
2024-08-27 21:18:08 C 19 11 05.592 +43 57 42.88 Z C23
2024-08-27 21:43:11 C 19 11 03.312 +43 57 56.92 Z C23
2024-08-27 22:02:22 C 19 11 01.517 +43 58 07.36 Z C23
2024-08-27 22:57:12 B 19 10 56.53 +43 58 38.4 q Y84
2024-08-27 23:01:26 B 19 10 56.15 +43 58 40.8 q Y84