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
2019-02-05 18:44:35 s 1 +58130.371 0 +309858.63 5950.0 – C57
2019-02-05 19:14:35 S 09 26 38.446 -21 48 17.96 – V C57
2019-02-05 19:14:35 s 1 +57180.424 0 +311054.86 9080.0 – C57
2019-02-05 19:44:35 S 09 26 35.952 -21 48 31.79 – V C57
2019-02-05 19:44:35 s 1 +56228.149 0 +312239.09 8900.0 – C57
2019-02-05 20:14:35 S 09 26 33.475 -21 48 46.80 – V C57
2019-02-05 20:14:35 s 1 +55273.601 0 +313411.36 5760.0 – C57
2019-02-05 20:44:35 S 09 26 30.792 -21 49 02.10 – V C57
2019-02-05 20:44:35 s 1 +54316.833 0 +314571.73 9980.0 – C57
2019-02-05 21:14:35 S 09 26 28.382 -21 49 15.92 – V C57
2019-02-05 21:14:35 s 1 +53357.899 0 +315720.25 1880.0 – C57
2019-02-05 22:14:35 S 09 26 23.582 -21 49 44.26 – V C57
2019-02-05 22:14:35 s 1 +51433.739 0 +317981.97 60.0 – C57
2019-02-05 22:44:35 S 09 26 20.712 -21 49 58.69 – V C57
2019-02-05 22:44:35 s 1 +50468.615 0 +319095.28 6950.0 – C57
2019-02-05 23:14:35 S 09 26 18.161 -21 50 13.81 – V C57
2019-02-05 23:14:35 s 1 +49501.529 0 +320196.95 2800.0 – C57
2019-02-05 23:44:35 S 09 26 15.794 -21 50 28.64 – V C57
2019-02-05 23:44:35 s 1 +48532.528 0 +321287.03 7910.0 – C57
2019-02-06 00:44:35 S 09 26 10.591 -21 50 57.80 – V C57
2019-02-06 00:44:35 s 1 +46588.979 0 +323432.65 7080.0 – C57
2019-02-06 01:14:35 S 09 26 08.014 -21 51 13.10 – V C57
2019-02-06 01:14:35 s 1 +45614.525 0 +324488.28 1740.0 – C57
2019-02-06 01:44:35 S 09 26 05.573 -21 51 27.65 – V C57
2019-02-06 01:44:35 s 1 +44638.346 0 +325532.52 6820.0 – C57
2019-02-06 02:14:35 S 09 26 02.998 -21 51 41.11 – V C57
2019-02-06 02:14:35 s 1 +43660.488 0 +326565.43 2610.0 – C57
2019-02-06 02:44:35 S 09 26 00.403 -21 51 54.11 – V C57
2019-02-06 02:44:35 s 1 +42680.995 0 +327587.03 9400.0 – C57
2019-02-06 03:14:35 S 09 25 57.866 -21 52 08.80 – V C57
2019-02-06 03:14:35 s 1 +41699.913 0 +328597.40 7440.0 – C57
2019-02-06 03:44:35 S 09 25 55.303 -21 52 24.10 – V C57
2019-02-06 03:44:35 s 1 +40717.283 0 +329596.56 7020.0 – C57
2019-02-06 04:14:35 S 09 25 52.858 -21 52 38.21 – V C57
2019-02-06 04:14:35 s 1 +39733.151 0 +330584.56 8410.0 – C57
2019-02-06 04:44:35 S 09 25 50.225 -21 52 52.61 – V C57
2019-02-06 04:44:35 s 1 +38747.557 0 +331561.45 1850.0 – C57
2019-02-06 05:14:35 S 09 25 47.688 -21 53 05.86 – V C57
2019-02-06 05:14:35 s 1 +37760.544 0 +332527.28 7630.0 – C57
2019-02-06 05:44:35 S 09 25 45.101 -21 53 21.55 – V C57
2019-02-06 05:44:35 s 1 +36772.153 0 +333482.08 5980.0 – C57
2019-02-06 06:14:35 S 09 25 42.612 -21 53 38.08 – V C57
2019-02-06 06:14:35 s 1 +35782.424 0 +334425.90 7170.0 – C57
2019-02-06 06:44:35 S 09 25 40.066 -21 53 51.11 – V C57
2019-02-06 06:44:35 s 1 +34791.399 0 +335358.78 1440.0 – C57
2019-02-06 07:14:35 S 09 25 37.392 -21 54 05.15 – V C57
2019-02-06 07:14:35 s 1 +33799.116 0 +336280.77 9040.0 – C57
2019-02-06 07:44:35 S 09 25 34.987 -21 54 19.12 – V C57
2019-02-06 07:44:35 s 1 +32805.615 0 +337191.89 220.0 – C57
2019-02-06 08:14:35 S 09 25 32.486 -21 54 31.86 – V C57