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
2024-08-01 21:55:49 C 20 40 52.186 +27 18 13.32 X Z55
2024-08-01 21:56:21 C 20 40 52.068 +27 18 14.87 X Z55
2024-08-01 21:56:53 C 20 40 51.984 +27 18 16.42 X Z55
2024-08-01 21:57:27 C 20 40 51.881 +27 18 18.29 X Z55
2024-08-01 21:57:59 C 20 40 51.773 +27 18 19.91 X Z55
2024-08-01 21:58:31 C 20 40 51.679 +27 18 21.67 X Z55
2024-08-01 21:59:03 C 20 40 51.590 +27 18 23.26 X Z55
2024-08-01 21:59:36 C 20 40 51.475 +27 18 25.06 X Z55
2024-08-01 22:00:08 C 20 40 51.379 +27 18 26.75 X Z55
2024-08-01 22:00:40 C 20 40 51.271 +27 18 28.80 X Z55
2024-08-01 22:01:12 C 20 40 51.230 +27 18 30.06 X Z55
2024-08-01 22:01:44 C 20 40 51.101 +27 18 31.79 X Z55
2024-08-01 22:02:16 C 20 40 51.005 +27 18 32.98 X Z55
2024-08-01 22:02:48 C 20 40 50.894 +27 18 34.92 X Z55
2024-08-01 22:03:21 C 20 40 50.801 +27 18 36.54 X Z55
2024-08-01 22:03:54 C 20 40 50.686 +27 18 38.16 X Z55
2024-08-01 22:04:26 C 20 40 50.587 +27 18 40.03 X Z55
2024-08-01 22:04:59 C 20 40 50.474 +27 18 41.76 X Z55
2024-08-01 22:05:31 C 20 40 50.390 +27 18 43.34 X Z55
2024-08-01 22:06:03 C 20 40 50.256 +27 18 45.14 X Z55
2024-08-01 23:02:41 C 20 40 39.408 +27 21 37.98 X M26
2024-08-02 05:36:31 C 20 39 28.574 +27 41 44.63 V W16
2024-08-02 05:49:16 C 20 39 26.206 +27 42 23.29 V W16
2024-08-02 06:02:00 C 20 39 23.832 +27 43 01.92 V W16
2024-08-02 06:15:02 C 20 39 21.413 +27 43 41.45 V W16
2024-08-02 10:23:12 C 20 38 37.018 +27 56 17.52 V T08
2024-08-02 10:27:32 C 20 38 36.206 +27 56 30.59 V T08
2024-08-02 11:11:28 C 20 38 27.996 +27 58 42.38 V T08
2024-08-02 11:18:59 C 20 38 26.590 +27 59 04.85 V T08
2024-08-02 18:34:23 C 20 37 08.181 +28 20 50.74 V O55
2024-08-02 18:36:37 C 20 37 07.765 +28 20 57.31 V O55
2024-08-02 18:38:50 C 20 37 07.346 +28 21 04.09 V O55
2024-08-02 20:34:16 C 20 36 48.139 +28 26 24.54 Z C23
2024-08-02 21:18:16 C 20 36 40.063 +28 28 35.87 Z C23
2024-08-02 21:30:20 B 20 36 37.44 +28 29 12.6 X L99
2024-08-02 21:31:00 B 20 36 37.26 +28 29 14.7 X L99
2024-08-02 21:31:40 B 20 36 37.17 +28 29 16.9 X L99
2024-08-02 21:32:15 B 20 36 37.01 +28 29 18.1 X L99
2024-08-02 21:32:45 B 20 36 36.97 +28 29 20.0 X L99
2024-08-02 21:55:58 B 20 36 33.48 +28 30 29.4 Z Y85
2024-08-02 22:25:06 B 20 36 28.11 +28 31 55.8 Z Y85
2024-08-02 22:50:19 B 20 36 23.44 +28 33 10.4 Z Y85
2024-08-02 22:55:28 C 20 36 22.03 +28 33 23.4 V G34
2024-08-02 22:57:35 C 20 36 21.64 +28 33 29.6 V G34
2024-08-02 22:59:42 C 20 36 21.24 +28 33 35.8 V G34
2024-08-02 23:01:49 C 20 36 20.86 +28 33 42.0 V G34
2024-08-02 23:08:10 C 20 36 19.69 +28 34 00.6 V G34
2024-08-03 11:08:54 C 20 34 10.147 +29 09 07.16 V T05
2024-08-03 11:13:38 C 20 34 09.266 +29 09 20.66 V T05
2024-08-03 11:23:25 C 20 34 07.447 +29 09 48.71 V T05