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 11:44:06 S 07 43 15.281 +11 27 24.30 V C57
2021-02-03 11:44:06 s 1 -86929.055 0 +378955.36 6270.0 C57
2021-02-03 11:54:06 S 07 43 14.460 +11 27 17.86 V C57
2021-02-03 11:54:06 s 1 -87253.711 0 +378813.55 3240.0 C57
2021-02-03 12:04:06 S 07 43 13.625 +11 27 13.25 V C57
2021-02-03 12:04:06 s 1 -87578.153 0 +378670.82 9900.0 C57
2021-02-03 12:14:06 S 07 43 12.792 +11 27 05.94 V C57
2021-02-03 12:14:06 s 1 -87902.381 0 +378527.17 6240.0 C57
2021-02-03 12:24:06 S 07 43 11.940 +11 27 04.72 V C57
2021-02-03 12:24:06 s 1 -88226.393 0 +378382.60 2260.0 C57
2021-02-03 12:44:06 S 07 43 10.332 +11 26 51.61 V C57
2021-02-03 12:44:06 s 1 -88873.769 0 +378090.72 3330.0 C57
2021-02-03 12:54:06 S 07 43 09.485 +11 26 46.10 V C57
2021-02-03 12:54:06 s 1 -89197.130 0 +377943.39 8370.0 C57
2021-02-03 13:04:06 S 07 43 08.683 +11 26 42.97 V C57
2021-02-03 13:04:06 s 1 -89520.272 0 +377795.15 3100.0 C57
2021-02-03 13:14:06 S 07 43 07.805 +11 26 34.73 V C57
2021-02-03 13:14:06 s 1 -89843.194 0 +377645.99 7490.0 C57
2021-02-03 13:24:06 S 07 43 06.946 +11 26 31.13 V C57
2021-02-03 13:24:06 s 1 -90165.896 0 +377495.91 1550.0 C57
2021-02-03 13:34:06 S 07 43 06.127 +11 26 25.69 V C57
2021-02-03 13:34:06 s 1 -90488.376 0 +377344.91 5280.0 C57
2021-02-03 13:44:06 S 07 43 05.278 +11 26 19.14 V C57
2021-02-03 13:44:06 s 1 -90810.633 0 +377192.99 8680.0 C57
2021-02-03 13:54:06 S 07 43 04.534 +11 26 13.31 V C57
2021-02-03 13:54:06 s 1 -91132.667 0 +377040.16 1750.0 C57
2021-02-03 14:04:06 S 07 43 03.732 +11 26 09.13 V C57
2021-02-03 14:04:06 s 1 -91454.477 0 +376886.40 4480.0 C57
2021-02-03 14:14:06 S 07 43 02.921 +11 26 02.44 V C57
2021-02-03 14:14:06 s 1 -91776.061 0 +376731.72 6870.0 C57
2021-02-03 14:24:06 S 07 43 02.095 +11 25 57.61 V C57
2021-02-03 14:24:06 s 1 -92097.420 0 +376576.13 8920.0 C57
2021-02-03 14:34:06 S 07 43 01.354 +11 25 53.04 V C57
2021-02-03 14:34:06 s 1 -92418.551 0 +376419.61 630.0 C57
2021-02-03 14:44:06 S 07 43 00.329 +11 25 49.26 V C57
2021-02-03 14:44:06 s 1 -92739.454 0 +376262.18 1990.0 C57
2021-02-03 14:54:06 S 07 42 59.705 +11 25 43.64 V C57
2021-02-03 14:54:06 s 1 -93060.129 0 +376103.82 3010.0 C57
2021-02-03 15:04:06 S 07 42 58.930 +11 25 36.80 V C57
2021-02-03 15:04:06 s 1 -93380.573 0 +375944.55 3690.0 C57
2021-02-03 15:14:06 S 07 42 58.070 +11 25 31.94 V C57
2021-02-03 15:14:06 s 1 -93700.787 0 +375784.35 4020.0 C57
2021-02-03 15:24:06 S 07 42 57.274 +11 25 28.31 V C57
2021-02-03 15:24:06 s 1 -94020.770 0 +375623.23 4000.0 C57
2021-02-03 15:34:06 S 07 42 56.371 +11 25 23.38 V C57
2021-02-03 15:34:06 s 1 -94340.519 0 +375461.20 3630.0 C57
2021-02-03 15:44:06 S 07 42 55.546 +11 25 15.28 V C57
2021-02-03 15:44:06 s 1 -94660.036 0 +375298.24 2900.0 C57
2021-02-03 15:54:06 S 07 42 54.701 +11 25 12.58 V C57
2021-02-03 15:54:06 s 1 -94979.318 0 +375134.36 1820.0 C57