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
2019-02-07 14:14:35 s 1 -28796.150 0 +373589.99 7680.0 – C57
2019-02-07 14:44:35 S 09 22 54.727 -22 08 28.82 – V C57
2019-02-07 14:44:35 s 1 -29803.976 0 +373890.20 7090.0 – C57
2019-02-07 15:14:35 S 09 22 52.109 -22 08 42.32 – V C57
2019-02-07 15:14:35 s 1 -30811.216 0 +374181.32 1090.0 – C57
2019-02-07 15:44:35 S 09 22 49.486 -22 08 56.47 – V C57
2019-02-07 15:44:35 s 1 -31817.847 0 +374463.35 9800.0 – C57
2019-02-07 16:14:35 S 09 22 46.838 -22 09 07.92 – V C57
2019-02-07 16:14:35 s 1 -32823.847 0 +374736.32 3350.0 – C57
2019-02-07 16:44:35 S 09 22 44.254 -22 09 21.24 – V C57
2019-02-07 16:44:35 s 1 -33829.194 0 +375000.25 1870.0 – C57
2019-02-07 17:44:35 S 09 22 39.257 -22 09 45.97 – V C57
2019-02-07 17:44:35 s 1 -35837.840 0 +375501.03 4340.0 – C57
2019-02-07 18:14:35 S 09 22 36.216 -22 10 01.92 – V C57
2019-02-07 18:14:35 s 1 -36841.096 0 +375737.91 8540.0 – C57
2019-02-07 18:44:35 S 09 22 33.672 -22 10 14.34 – V C57
2019-02-07 18:44:35 s 1 -37843.610 0 +375965.82 8220.0 – C57
2019-02-07 19:14:35 S 09 22 31.140 -22 10 26.98 – V C57
2019-02-07 19:14:35 s 1 -38845.362 0 +376184.76 3510.0 – C57
2019-02-07 19:44:35 S 09 22 28.416 -22 10 40.51 – V C57
2019-02-07 19:44:35 s 1 -39846.330 0 +376394.75 4530.0 – C57
2019-02-07 20:14:35 S 09 22 25.882 -22 10 53.58 – V C57
2019-02-07 20:14:35 s 1 -40846.491 0 +376595.81 1400.0 – C57
2019-02-07 20:44:35 S 09 22 23.357 -22 11 06.50 – V C57
2019-02-07 20:44:35 s 1 -41845.825 0 +376787.95 4250.0 – C57
2019-02-07 21:14:35 S 09 22 20.714 -22 11 18.24 – V C57
2019-02-07 21:14:35 s 1 -42844.310 0 +376971.19 3200.0 – C57
2019-02-07 22:14:35 S 09 22 15.276 -22 11 45.13 – V C57
2019-02-07 22:14:35 s 1 -44838.648 0 +377311.00 9900.0 – C57
2019-02-07 23:14:35 S 09 22 10.159 -22 12 10.76 – V C57
2019-02-07 23:14:35 s 1 -46829.335 0 +377615.37 2460.0 – C57
2019-02-07 23:44:35 S 09 22 07.502 -22 12 24.26 – V C57
2019-02-07 23:44:35 s 1 -47823.257 0 +377754.29 3740.0 – C57
2019-02-08 00:14:35 S 09 22 04.963 -22 12 36.94 – V C57
2019-02-08 00:14:35 s 1 -48816.202 0 +377884.40 1850.0 – C57
2019-02-08 00:44:35 S 09 22 02.287 -22 12 49.00 – V C57
2019-02-08 00:44:35 s 1 -49808.149 0 +378005.69 6900.0 – C57
2019-02-08 01:14:35 S 09 21 59.777 -22 13 03.76 – V C57
2019-02-08 01:14:35 s 1 -50799.079 0 +378118.19 9010.0 – C57
2019-02-08 01:44:35 S 09 21 57.062 -22 13 15.56 – V C57
2019-02-08 01:44:35 s 1 -51788.969 0 +378221.91 8300.0 – C57
2019-02-08 02:14:35 S 09 21 54.463 -22 13 28.09 – V C57
2019-02-08 02:14:35 s 1 -52777.800 0 +378316.86 4890.0 – C57
2019-02-08 02:44:35 S 09 21 51.794 -22 13 40.37 – V C57
2019-02-08 02:44:35 s 1 -53765.549 0 +378403.06 8900.0 – C57
2019-02-08 03:14:35 S 09 21 49.123 -22 13 53.22 – V C57
2019-02-08 03:14:35 s 1 -54752.197 0 +378480.50 440.0 – C57
2019-02-08 03:44:35 S 09 21 46.591 -22 14 06.00 – V C57
2019-02-08 03:44:35 s 1 -55737.721 0 +378549.22 9620.0 – C57
2019-02-08 04:14:35 S 09 21 43.879 -22 14 19.21 – V C57