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
2025-02-25 05:47:49 C 02 35 12.854 +40 00 46.76 V T05
2025-02-25 06:07:44 C 02 35 15.494 +40 00 40.03 V T05
2025-02-25 16:53:09 B 02 36 41.95 +39 57 04.3 X L76
2025-02-25 17:03:23 B 02 36 43.33 +39 57 01.2 X L76
2025-02-25 17:13:36 B 02 36 44.74 +39 56 57.3 X L76
2025-02-28 06:05:07 C 02 44 49.094 +39 36 48.46 V T05
2025-02-28 06:19:45 C 02 44 50.986 +39 36 43.27 V T05
2025-02-28 06:25:45 C 02 44 51.797 +39 36 41.51 V T05
2025-02-28 06:34:55 C 02 44 52.980 +39 36 38.12 V T05
2025-02-28 16:33:55 B 02 46 11.89 +39 33 17.8 X L76
2025-02-28 16:44:06 B 02 46 13.23 +39 33 14.4 X L76
2025-02-28 16:54:16 B 02 46 14.54 +39 33 10.8 X L76
2025-03-01 06:50:48 C 02 48 04.123 +39 28 33.96 V T05
2025-03-01 07:00:46 C 02 48 05.429 +39 28 30.50 V T05
2025-03-01 07:26:39 C 02 48 08.774 +39 28 21.50 V T05
2025-03-01 07:43:59 C 02 48 11.069 +39 28 15.28 V T05
2025-03-03 06:02:16 C 02 54 12.754 +39 12 50.04 V T08
2025-03-03 06:15:40 C 02 54 14.484 +39 12 45.72 V T08
2025-03-03 06:55:37 C 02 54 19.618 +39 12 31.68 V T08
2025-03-06 05:21:11 C 03 03 21.974 +38 48 58.86 V T08
2025-03-06 05:29:30 C 03 03 22.970 +38 48 56.20 V T05
2025-03-06 05:42:43 C 03 03 24.660 +38 48 52.13 V T08
2025-03-06 05:50:55 C 03 03 25.680 +38 48 48.42 V T05
2025-03-07 05:22:12 C 03 06 24.862 +38 40 55.70 V T08
2025-03-07 05:26:51 C 03 06 25.411 +38 40 53.83 V T08
2025-03-07 05:37:28 C 03 06 26.674 +38 40 50.20 V T08
2025-03-07 05:52:10 C 03 06 28.514 +38 40 45.44 V T08
2025-03-08 05:40:41 C 03 09 28.680 +38 32 45.42 V T05
2025-03-08 05:45:17 C 03 09 29.290 +38 32 43.91 V T05
2025-03-08 05:52:52 C 03 09 30.293 +38 32 41.06 V T05
2025-03-08 06:22:38 C 03 09 33.907 +38 32 31.20 V T05
2025-03-10 03:48:56 C 03 15 14.951 +38 17 10.00 V 703
2025-03-10 03:52:15 C 03 15 15.397 +38 17 09.82 V 703
2025-03-10 03:55:34 C 03 15 15.880 +38 17 09.96 V 703
2025-03-14 05:38:05 C 03 27 16.730 +37 44 10.79 V T08
2025-03-14 05:44:38 C 03 27 17.544 +37 44 08.34 V T05
2025-03-14 05:51:03 C 03 27 18.238 +37 44 06.36 V T08
2025-03-14 05:57:44 C 03 27 19.094 +37 44 03.37 V T05
2025-03-15 05:54:28 C 03 30 13.270 +37 35 56.65 V T08
2025-03-15 06:00:00 C 03 30 13.918 +37 35 54.85 V T08
2025-03-15 06:10:04 C 03 30 15.142 +37 35 51.47 V T08
2025-03-15 06:43:08 C 03 30 19.126 +37 35 40.24 V T08
2025-03-16 05:36:30 C 03 33 04.764 +37 27 54.47 V T05
2025-03-16 05:41:48 C 03 33 05.359 +37 27 52.63 V T05
2025-03-16 05:49:45 C 03 33 06.310 +37 27 49.68 V T05
2025-03-16 06:05:58 C 03 33 08.261 +37 27 43.78 V T05
2025-03-17 05:33:39 C 03 35 57.046 +37 19 46.24 V T08
2025-03-17 05:38:19 C 03 35 57.602 +37 19 44.44 V T08
2025-03-17 05:52:57 C 03 35 59.342 +37 19 39.50 V T08
2025-03-17 06:00:55 C 03 36 00.247 +37 19 36.62 V T08