IAA RAS IAA Minor Planet Database

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
2021-02-03 16:14:06 S 07 42 53.009 +11 25 01.34 – V C57
2021-02-03 16:14:06 s 1 -95617.175 0 +374803.84 8590.0 – C57
2021-02-03 16:24:06 S 07 42 52.186 +11 24 54.50 – V C57
2021-02-03 16:24:06 s 1 -95935.748 0 +374637.20 6440.0 – C57
2021-02-03 16:34:06 S 07 42 51.461 +11 24 50.62 – V C57
2021-02-03 16:34:06 s 1 -96254.083 0 +374469.64 3930.0 – C57
2021-02-03 16:44:06 S 07 42 50.527 +11 24 44.75 – V C57
2021-02-03 16:44:06 s 1 -96572.179 0 +374301.15 1050.0 – C57
2021-02-03 16:54:06 S 07 42 49.687 +11 24 38.66 – V C57
2021-02-03 16:54:06 s 1 -96890.035 0 +374131.75 7810.0 – C57
2021-02-03 17:14:06 S 07 42 48.115 +11 24 30.78 – V C57
2021-02-03 17:14:06 s 1 -97525.023 0 +373790.17 230.0 – C57
2021-02-03 17:22:07 C 07 42 41.48 +11 23 12.3 – q C97
2021-02-03 17:23:20 C 07 42 41.39 +11 23 11.7 – q C97
2021-02-03 17:24:06 S 07 42 47.273 +11 24 25.02 – V C57
2021-02-03 17:24:06 s 1 -97842.154 0 +373618.00 5890.0 – C57
2021-02-03 17:24:32 C 07 42 41.30 +11 23 11.1 – q C97
2021-02-03 17:25:44 C 07 42 41.20 +11 23 10.4 – q C97
2021-02-03 17:26:57 C 07 42 41.10 +11 23 09.7 – q C97
2021-02-03 17:28:08 C 07 42 40.98 +11 23 09.1 – q C97
2021-02-03 17:34:06 S 07 42 46.421 +11 24 17.50 – V C57
2021-02-03 17:34:06 s 1 -98159.040 0 +373444.90 1180.0 – C57
2021-02-03 17:44:06 S 07 42 45.617 +11 24 12.24 – V C57
2021-02-03 17:44:06 s 1 -98475.683 0 +373270.89 6090.0 – C57
2021-02-03 17:54:06 S 07 42 44.705 +11 24 07.16 – V C57
2021-02-03 17:54:06 s 1 -98792.079 0 +373095.95 630.0 – C57
2021-02-03 18:04:06 S 07 42 44.033 +11 24 02.48 – V C57
2021-02-03 18:04:06 s 1 -99108.229 0 +372920.09 4790.0 – C57
2021-02-03 18:14:06 S 07 42 43.181 +11 23 55.61 – V C57
2021-02-03 18:14:06 s 1 -99424.132 0 +372743.30 8570.0 – C57
2021-02-03 18:34:06 S 07 42 41.532 +11 23 47.08 – V C57
2021-02-03 18:34:06 s 1 -100055.19 0 +372386.97 5000.0 – C57
2021-02-03 18:44:06 S 07 42 40.651 +11 23 42.79 – V C57
2021-02-03 18:44:06 s 1 -100370.34 5 +372207.41 7640.0 – C57
2021-02-03 18:54:06 S 07 42 39.922 +11 23 38.51 – V C57
2021-02-03 18:54:06 s 1 -100685.24 8 +372026.94 9900.0 – C57
2021-02-03 19:04:06 S 07 42 38.935 +11 23 31.38 – V C57
2021-02-03 19:04:06 s 1 -100999.89 9 +371845.53 1770.0 – C57
2021-02-03 19:14:06 S 07 42 38.246 +11 23 26.38 – V C57
2021-02-03 19:14:06 s 1 -101314.29 6 +371663.21 3250.0 – C57
2021-02-03 19:24:06 S 07 42 37.406 +11 23 19.61 – V C57
2021-02-03 19:24:06 s 1 -101628.44 0 +371479.96 4340.0 – C57
2021-02-03 19:44:06 S 07 42 35.810 +11 23 09.89 – V C57
2021-02-03 19:44:06 s 1 -102255.96 0 +371110.69 5350.0 – C57
2021-02-03 19:54:06 S 07 42 34.990 +11 23 06.58 – V C57
2021-02-03 19:54:06 s 1 -102569.33 5 +370924.67 5260.0 – C57
2021-02-03 20:04:06 S 07 42 34.051 +11 23 01.36 – V C57
2021-02-03 20:04:06 s 1 -102882.45 2 +370737.72 4780.0 – C57
2021-02-03 20:14:06 S 07 42 33.396 +11 22 54.80 – V C57
2021-02-03 20:14:06 s 1 -103195.31 0 +370549.85 3890.0 – C57