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
2019-02-26 01:14:35 S 08 45 28.831 -23 50 28.50 – V C57
2019-02-26 01:14:35 s 1 -195907.95 2 +148259.38 780.0 – C57
2019-02-26 01:44:35 S 08 45 26.525 -23 50 27.60 – V C57
2019-02-26 01:44:35 s 1 -195690.16 5 +146150.93 3410.0 – C57
2019-02-26 02:14:35 S 08 45 24.000 -23 50 24.07 – V C57
2019-02-26 02:14:35 s 1 -195457.40 7 +144031.33 5560.0 – C57
2019-02-26 02:44:35 S 08 45 21.850 -23 50 24.43 – V C57
2019-02-26 02:44:35 s 1 -195209.45 9 +141900.56 6200.0 – C57
2019-02-26 03:14:35 S 08 45 19.529 -23 50 25.33 – V C57
2019-02-26 03:14:35 s 1 -194946.09 3 +139758.61 4280.0 – C57
2019-02-26 03:44:35 S 08 45 16.918 -23 50 28.86 – V C57
2019-02-26 03:44:35 s 1 -194667.07 7 +137605.47 8720.0 – C57
2019-02-26 04:14:35 S 08 45 14.642 -23 50 27.92 – V C57
2019-02-26 04:14:35 s 1 -194372.17 4 +135441.12 8430.0 – C57
2019-02-26 04:44:35 S 08 45 12.221 -23 50 28.75 – V C57
2019-02-26 04:44:35 s 1 -194061.14 2 +133265.57 2280.0 – C57
2019-02-26 05:14:35 S 08 45 10.090 -23 50 29.44 – V C57
2019-02-26 05:14:35 s 1 -193733.73 2 +131078.79 9100.0 – C57
2019-02-26 05:44:35 S 08 45 07.570 -23 50 28.43 – V C57
2019-02-26 05:44:35 s 1 -193389.69 0 +128880.80 7720.0 – C57
2019-02-26 06:14:35 S 08 45 05.196 -23 50 30.84 – V C57
2019-02-26 06:14:35 s 1 -193028.75 5 +126671.57 6930.0 – C57
2019-02-26 06:44:35 S 08 45 02.880 -23 50 28.61 – V C57
2019-02-26 06:44:35 s 1 -192650.66 2 +124451.10 5470.0 – C57
2019-02-26 07:14:35 S 08 45 00.569 -23 50 29.80 – V C57
2019-02-26 07:14:35 s 1 -192255.13 8 +122219.41 2070.0 – C57
2019-02-26 07:44:35 S 08 44 58.159 -23 50 29.04 – V C57
2019-02-26 07:44:35 s 1 -191841.90 2 +119976.48 5430.0 – C57
2019-02-26 08:14:35 S 08 44 55.834 -23 50 30.70 – V C57
2019-02-26 08:14:35 s 1 -191410.66 9 +117722.33 4190.0 – C57
2019-02-26 08:44:35 S 08 44 53.407 -23 50 31.31 – V C57
2019-02-26 08:44:35 s 1 -190961.14 5 +115456.95 6980.0 – C57
2019-02-26 09:14:35 S 08 44 51.082 -23 50 30.95 – V C57
2019-02-26 09:14:35 s 1 -190493.03 0 +113180.36 2390.0 – C57
2019-02-26 09:44:35 S 08 44 48.672 -23 50 31.56 – V C57
2019-02-26 09:44:35 s 1 -190006.01 5 +110892.57 8950.0 – C57
2019-02-26 10:14:35 S 08 44 46.402 -23 50 29.65 – V C57
2019-02-26 10:14:35 s 1 -189499.78 5 +108593.59 5190.0 – C57
2019-02-26 10:44:35 S 08 44 43.997 -23 50 30.98 – V C57
2019-02-26 10:44:35 s 1 -188974.01 6 +106283.44 9560.0 – C57
2019-02-26 11:44:35 S 08 44 39.106 -23 50 32.82 – V C57
2019-02-26 11:44:35 s 1 -187862.52 0 +101629.72 6400.0 – C57
2019-02-26 12:14:35 S 08 44 37.063 -23 50 30.80 – V C57
2019-02-26 12:14:35 s 1 -187276.10 4 +99286.201 5570.0 – C57
2019-02-26 12:44:35 S 08 44 34.493 -23 50 34.94 – V C57
2019-02-26 12:44:35 s 1 -186668.76 7 +96931.614 6330.0 – C57
2019-02-26 13:14:35 S 08 44 32.222 -23 50 32.17 – V C57
2019-02-26 13:14:35 s 1 -186040.14 1 +94565.998 6910.0 – C57
2019-02-26 13:44:35 S 08 44 29.894 -23 50 31.88 – V C57
2019-02-26 13:44:35 s 1 -185389.84 8 +92189.394 5510.0 – C57