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
2024-04-25 22:49:48 S 21 35 44.31 -53 03 58.1 L C51
2024-04-26 00:22:13 S 21 35 53.81 -53 02 58.1 L C51
2024-04-26 03:27:03 S 21 36 12.77 -53 00 57.8 L C51
2024-04-26 04:59:28 S 21 36 22.19 -52 59 58.2 L C51
2024-04-26 06:31:52 S 21 36 31.56 -52 58 57.6 L C51
2024-04-26 08:04:18 S 21 36 40.95 -52 57 56.8 L C51
2024-04-26 09:36:43 S 21 36 50.42 -52 56 56.6 L C51
2024-04-26 11:09:08 S 21 36 59.90 -52 55 56.4 L C51
2024-04-26 12:41:33 S 21 37 09.19 -52 54 55.5 L C51
2024-04-26 14:13:58 S 21 37 18.70 -52 53 55.2 L C51
2024-04-26 15:46:22 S 21 37 27.91 -52 52 54.5 L C51
2024-04-26 17:18:48 S 21 37 37.31 -52 51 53.7 L C51
2024-04-26 18:51:13 S 21 37 46.63 -52 50 52.9 L C51
2024-04-26 20:23:38 S 21 37 56.02 -52 49 51.5 L C51
2024-04-26 23:28:28 S 21 38 14.53 -52 47 50.6 L C51
2024-04-27 05:38:08 S 21 38 51.69 -52 43 46.3 L C51
2024-04-27 08:42:58 S 21 39 10.17 -52 41 43.9 L C51
2024-04-27 11:47:48 S 21 39 28.56 -52 39 41.4 L C51
2024-04-27 14:52:27 S 21 39 47.00 -52 37 38.5 L C51
2024-04-27 14:52:38 S 21 39 46.98 -52 37 38.6 L C51
2024-04-28 08:48:09 C 21 41 33.667 -52 25 40.51 V W68
2024-04-28 08:52:47 C 21 41 34.106 -52 25 37.49 V W68
2024-04-28 09:00:09 C 21 41 34.810 -52 25 32.74 V W68
2024-04-28 09:08:11 C 21 41 35.563 -52 25 27.23 V W68
2024-04-30 02:49:38 C 21 45 36.274 -51 57 04.68 V M22
2024-04-30 02:54:16 C 21 45 36.713 -51 57 01.76 V M22
2024-04-30 02:59:40 C 21 45 37.202 -51 56 57.95 V M22
2024-04-30 03:21:50 C 21 45 39.226 -51 56 43.12 V M22
2024-05-01 18:58:49 S 21 49 19.57 -51 29 06.1 L C51
2024-05-01 18:58:59 S 21 49 19.57 -51 29 05.6 L C51
2024-05-01 20:31:13 S 21 49 28.07 -51 28 01.0 L C51
2024-05-01 22:03:38 S 21 49 36.44 -51 26 56.1 L C51
2024-05-01 23:36:04 S 21 49 44.81 -51 25 50.8 L C51
2024-05-02 01:08:29 S 21 49 53.19 -51 24 45.7 L C51
2024-05-02 02:40:54 S 21 50 01.61 -51 23 40.1 L C51
2024-05-02 04:13:08 S 21 50 09.97 -51 22 34.5 L C51
2024-05-02 05:45:33 S 21 50 18.32 -51 21 29.4 L C51
2024-05-02 07:17:57 S 21 50 26.64 -51 20 23.7 L C51
2024-05-02 07:29:13 C 21 50 28.421 -51 20 15.36 V W68
2024-05-02 07:43:13 C 21 50 29.669 -51 20 05.68 V W68
2024-05-02 07:52:30 C 21 50 30.480 -51 19 59.09 V W68
2024-05-02 08:17:21 C 21 50 32.664 -51 19 42.10 V W68
2024-05-02 11:55:13 S 21 50 51.62 -51 17 06.9 L C51
2024-05-02 13:27:15 S 21 50 59.87 -51 16 01.8 L C51
2024-05-02 13:27:27 S 21 50 59.94 -51 16 01.4 L C51
2024-05-02 21:09:21 S 21 51 41.27 -51 10 32.1 L C51
2024-05-03 00:13:59 S 21 51 57.68 -51 08 20.1 L C51
2024-05-03 03:18:50 S 21 52 14.08 -51 06 07.9 L C51
2024-05-03 06:23:40 S 21 52 30.48 -51 03 54.7 L C51
2024-05-04 02:16:41 C 21 54 15.626 -50 49 33.02 V M22