IAA RAS IAA Minor Planet Database

471241 (2011 BX18)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7321251671 ± 1.64e-08
Semi-major axis (a)2.8654887345 AU ± 1.52e-08
Inclination (i)14.69515642° ± 1.01e-05
Long. of Asc. Node (Ω)310.40631662° ± 1.94e-05
Arg. of Perihelion (ω)304.51568996° ± 1.82e-05
Mean Anomaly (M)334.93637165° ± 3.72e-06
Mean Motion (n)0.2031955619°/day ± 1.62e-09
Perihelion dist (q)0.76759232 AU ± 4.72e-08
Aphelion dist (Q)4.96338515 AU ± 5.39e-08
Orbital Period4.85062899 yr ± 3.86e-08
Physical Parameters
H (abs. magnitude)18.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual1.249″
Uncertainty0
Orbit TypeApollo
MOID0.037705 AU
Observations Used1909
Oppositions11
Arc Total2011-2025
First Observation Used2011-01-26
Last Observation Used2025-11-29
Observations (3652)
Date Type RA Dec Mag Band Observatory
2021-03-25 16:54:05 s 1 +18344.611 0 +371425.75 8650.0 – C57
2021-03-25 18:04:05 S 08 05 05.378 -59 07 18.44 – V C57
2021-03-25 18:04:05 s 1 +15707.233 0 +372143.63 3090.0 – C57
2021-03-25 19:24:05 S 08 04 04.678 -59 11 46.68 – V C57
2021-03-25 19:24:05 s 1 +12690.619 0 +372901.06 9370.0 – C57
2021-03-25 21:54:05 S 08 02 08.638 -59 20 14.50 – V C57
2021-03-25 22:14:05 S 08 01 53.275 -59 21 23.76 – V C57
2021-03-25 22:44:05 S 08 01 31.474 -59 22 54.01 – V C57
2021-03-26 00:34:05 S 08 00 07.193 -59 28 59.70 – V C57
2021-03-26 01:04:05 S 07 59 43.594 -59 30 34.13 – V C57
2021-03-26 01:14:05 S 07 59 35.870 -59 31 12.00 – V C57
2021-03-26 01:24:05 S 07 59 28.102 -59 31 44.51 – V C57
2021-03-26 01:34:05 S 07 59 19.495 -59 32 17.66 – V C57
2021-03-26 01:44:05 S 07 59 11.546 -59 32 48.59 – V C57
2021-03-26 02:24:05 S 07 58 38.702 -59 35 00.06 – V C57
2021-03-26 02:44:05 S 07 58 25.999 -59 36 09.36 – V C57
2021-03-26 03:14:05 S 07 58 03.120 -59 37 36.08 – V C57
2021-03-26 04:04:05 S 07 57 22.272 -59 40 24.46 – V C57
2021-03-26 04:14:05 S 07 57 13.925 -59 40 59.84 – V C57
2021-03-26 04:24:05 S 07 57 06.413 -59 41 24.11 – V C57
2021-03-26 04:34:05 S 07 56 57.799 -59 42 06.23 – V C57
2021-03-26 04:44:05 S 07 56 50.407 -59 42 29.63 – V C57
2021-03-26 05:24:05 S 07 56 18.559 -59 44 40.63 – V C57
2021-03-26 05:44:05 S 07 56 02.945 -59 45 39.46 – V C57
2021-03-26 05:44:05 s 1 -10717.729 0 +376512.77 3520.0 – C57
2021-03-26 05:54:05 S 07 55 55.001 -59 46 15.06 – V C57
2021-03-26 05:54:05 s 1 -11094.931 0 +376538.47 8160.0 – C57
2021-03-26 06:04:05 S 07 55 47.402 -59 46 47.06 – V C57
2021-03-26 06:04:05 s 1 -11472.100 0 +376563.15 2780.0 – C57
2021-03-26 06:14:05 S 07 55 38.698 -59 47 13.13 – V C57
2021-03-26 06:14:05 s 1 -11849.234 0 +376586.80 7360.0 – C57
2021-03-26 06:24:05 S 07 55 30.012 -59 47 52.40 – V C57
2021-03-26 06:24:05 s 1 -12226.333 0 +376609.42 1920.0 – C57
2021-03-26 06:34:05 S 07 55 22.618 -59 48 23.58 – V C57
2021-03-26 06:34:05 s 1 -12603.396 0 +376631.02 6450.0 – C57
2021-03-26 06:44:05 S 07 55 13.478 -59 48 47.81 – V C57
2021-03-26 06:44:05 s 1 -12980.422 0 +376651.59 940.0 – C57
2021-03-26 07:04:05 S 07 54 58.802 -59 50 10.97 – V C57
2021-03-26 07:04:05 s 1 -13734.357 0 +376689.65 9820.0 – C57
2021-03-26 07:24:05 S 07 54 42.391 -59 51 06.41 – V C57
2021-03-26 07:24:05 s 1 -14488.131 0 +376723.61 8530.0 – C57
2021-03-26 07:34:05 S 07 54 34.322 -59 51 37.84 – V C57
2021-03-26 07:34:05 s 1 -14864.955 0 +376739.05 2820.0 – C57
2021-03-26 08:34:05 S 07 53 47.376 -59 54 39.38 – V C57
2021-03-26 08:34:05 s 1 -17124.952 0 +376810.17 7530.0 – C57
2021-03-26 08:44:05 S 07 53 38.249 -59 55 16.43 – V C57
2021-03-26 08:44:05 s 1 -17501.451 0 +376818.43 1450.0 – C57
2021-03-26 08:54:05 S 07 53 29.657 -59 55 46.31 – V C57
2021-03-26 08:54:05 s 1 -17877.899 0 +376825.68 5320.0 – C57
2021-03-26 09:14:05 S 07 53 15.370 -59 56 35.74 – V C57