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
2019-02-11 00:14:35 S 09 15 40.375 -22 40 33.67 – V C57
2019-02-11 00:14:35 s 1 -170533.18 6 +307642.44 2260.0 – C57
2019-02-11 00:44:35 S 09 15 37.661 -22 40 42.96 – V C57
2019-02-11 00:44:35 s 1 -171141.46 0 +306535.03 80.0 – C57
2019-02-11 01:14:35 S 09 15 34.954 -22 40 54.41 – V C57
2019-02-11 01:14:35 s 1 -171744.89 9 +305418.73 2380.0 – C57
2019-02-11 01:44:35 S 09 15 32.160 -22 41 03.70 – V C57
2019-02-11 01:44:35 s 1 -172343.45 8 +304293.54 8990.0 – C57
2019-02-11 02:14:35 S 09 15 29.494 -22 41 16.26 – V C57
2019-02-11 02:14:35 s 1 -172937.09 4 +303159.43 9690.0 – C57
2019-02-11 02:44:35 S 09 15 26.676 -22 41 26.63 – V C57
2019-02-11 02:44:35 s 1 -173525.76 2 +302016.40 4280.0 – C57
2019-02-11 03:14:35 S 09 15 24.137 -22 41 35.81 – V C57
2019-02-11 03:14:35 s 1 -174109.41 6 +300864.42 2570.0 – C57
2019-02-11 03:44:35 S 09 15 21.355 -22 41 45.74 – V C57
2019-02-11 03:44:35 s 1 -174688.01 1 +299703.49 4360.0 – C57
2019-02-11 04:14:35 S 09 15 18.751 -22 41 56.18 – V C57
2019-02-11 04:14:35 s 1 -175261.50 2 +298533.60 9430.0 – C57
2019-02-11 04:44:35 S 09 15 15.948 -22 42 05.76 – V C57
2019-02-11 04:44:35 s 1 -175829.84 0 +297354.71 7580.0 – C57
2019-02-11 05:14:35 S 09 15 13.322 -22 42 16.20 – V C57
2019-02-11 05:14:35 s 1 -176392.98 0 +296166.83 8600.0 – C57
2019-02-11 05:44:35 S 09 15 10.469 -22 42 26.89 – V C57
2019-02-11 05:44:35 s 1 -176950.87 2 +294969.93 2270.0 – C57
2019-02-11 06:14:35 S 09 15 07.834 -22 42 37.66 – V C57
2019-02-11 06:14:35 s 1 -177503.46 9 +293764.00 8380.0 – C57
2019-02-11 06:44:35 S 09 15 05.093 -22 42 46.40 – V C57
2019-02-11 06:44:35 s 1 -178050.72 2 +292549.03 6700.0 – C57
2019-02-11 07:14:35 S 09 15 02.522 -22 42 56.88 – V C57
2019-02-11 07:14:35 s 1 -178592.58 1 +291324.99 7030.0 – C57
2019-02-11 07:44:35 S 09 14 59.791 -22 43 06.02 – V C57
2019-02-11 07:44:35 s 1 -179128.99 5 +290091.88 9130.0 – C57
2019-02-11 08:14:35 S 09 14 57.067 -22 43 17.40 – V C57
2019-02-11 08:14:35 s 1 -179659.91 5 +288849.68 2780.0 – C57
2019-02-11 08:44:35 S 09 14 54.317 -22 43 27.88 – V C57
2019-02-11 08:44:35 s 1 -180185.28 9 +287598.36 7750.0 – C57
2019-02-11 09:14:35 S 09 14 51.566 -22 43 38.68 – V C57
2019-02-11 09:14:35 s 1 -180705.06 4 +286337.91 3810.0 – C57
2019-02-11 09:44:35 S 09 14 48.818 -22 43 50.20 – V C57
2019-02-11 09:44:35 s 1 -181219.18 9 +285068.33 730.0 – C57
2019-02-11 10:14:35 S 09 14 46.366 -22 43 56.93 – V C57
2019-02-11 10:14:35 s 1 -181727.60 9 +283789.58 8260.0 – C57
2019-02-11 10:44:35 S 09 14 43.466 -22 44 08.52 – V C57
2019-02-11 10:44:35 s 1 -182230.27 1 +282501.65 6160.0 – C57
2019-02-11 11:14:35 S 09 14 40.807 -22 44 18.67 – V C57
2019-02-11 11:14:35 s 1 -182727.12 0 +281204.53 4190.0 – C57
2019-02-11 11:44:35 S 09 14 38.150 -22 44 28.54 – V C57
2019-02-11 11:44:35 s 1 -183218.10 0 +279898.19 2110.0 – C57
2019-02-11 12:14:35 S 09 14 35.345 -22 44 37.97 – V C57
2019-02-11 12:14:35 s 1 -183703.15 6 +278582.63 9670.0 – C57