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
2021-04-01 05:14:05 S 05 42 03.972 -62 58 39.58 – V C57
2021-04-01 05:14:05 s 1 -142312.63 3 - 9932.006 2150.0 – C57
2021-04-01 05:54:05 S 05 41 27.341 -62 58 14.38 – V C57
2021-04-01 05:54:05 s 1 -139573.09 7 -13718.255 1800.0 – C57
2021-04-01 06:04:05 S 05 41 22.416 -62 57 39.46 – V C57
2021-04-01 06:04:05 s 1 -138871.17 5 -14663.278 5870.0 – C57
2021-04-01 06:14:05 S 05 41 12.082 -62 57 40.46 – V C57
2021-04-01 06:14:05 s 1 -138162.32 9 -15607.576 6400.0 – C57
2021-04-01 06:34:05 S 05 40 55.202 -62 57 23.76 – V C57
2021-04-01 06:34:05 s 1 -136723.64 5 -17493.765 6350.0 – C57
2021-04-01 06:44:05 S 05 40 46.790 -62 57 20.16 – V C57
2021-04-01 06:44:05 s 1 -135993.69 6 -18435.538 5560.0 – C57
2021-04-01 06:54:05 S 05 40 34.781 -62 56 58.31 – V C57
2021-04-01 06:54:05 s 1 -135256.60 0 -19376.347 780.0 – C57
2021-04-01 07:54:05 S 05 39 42.314 -62 56 24.83 – V C57
2021-04-01 07:54:05 s 1 -130680.81 9 -24997.345 1980.0 – C57
2021-04-01 08:04:05 S 05 39 32.395 -62 56 08.63 – V C57
2021-04-01 08:04:05 s 1 -129892.12 5 -25929.563 6100.0 – C57
2021-04-01 08:24:05 S 05 39 16.639 -62 56 04.92 – V C57
2021-04-01 08:24:05 s 1 -128291.88 3 -27789.389 9560.0 – C57
2021-04-01 08:34:05 S 05 39 08.198 -62 55 42.71 – V C57
2021-04-01 08:34:05 s 1 -127480.22 1 -28716.843 8650.0 – C57
2021-04-01 08:44:05 S 05 38 58.159 -62 55 47.82 – V C57
2021-04-01 08:44:05 s 1 -126660.78 8 -29642.553 2510.0 – C57
2021-04-01 08:54:05 S 05 38 47.143 -62 55 41.27 – V C57
2021-04-01 08:54:05 s 1 -125833.52 8 -30566.437 1020.0 – C57
2021-04-01 09:34:05 S 05 38 16.745 -62 55 16.54 – V C57
2021-04-01 09:34:05 s 1 -122445.06 5 -34242.012 9220.0 – C57
2021-04-01 10:04:05 S 05 37 48.372 -62 54 42.52 – V C57
2021-04-01 10:04:05 s 1 -119818.73 4 -36975.234 1070.0 – C57
2021-04-01 10:24:05 S 05 37 30.156 -62 54 38.27 – V C57
2021-04-01 10:24:05 s 1 -118026.53 1 -38784.792 7840.0 – C57
2021-04-01 10:44:05 S 05 37 14.141 -62 54 08.53 – V C57
2021-04-01 10:44:05 s 1 -116200.75 8 -40583.339 8660.0 – C57
2021-04-01 11:24:05 S 05 36 38.189 -62 53 37.72 – V C57
2021-04-01 11:24:05 s 1 -112446.76 0 -44143.978 8970.0 – C57
2021-06-19 14:07:53 C 01 23 50.330 +10 37 04.28 – U F51
2021-06-19 14:14:24 C 01 23 50.609 +10 37 12.23 – U F51
2021-06-19 14:27:27 C 01 23 51.181 +10 37 28.10 – U F51
2021-07-25 10:23:08 S 01 48 36.10 +24 13 24.1 – L C51
2021-07-25 13:31:16 S 01 48 36.89 +24 15 40.2 – L C51
2021-07-25 16:39:36 S 01 48 37.64 +24 17 56.3 – L C51
2021-07-25 21:21:59 S 01 48 38.81 +24 21 19.8 – L C51
2021-07-25 22:56:02 S 01 48 39.14 +24 22 28.0 – L C51
2021-07-26 00:30:07 S 01 48 39.44 +24 23 35.9 – L C51
2021-07-26 02:04:11 S 01 48 39.85 +24 24 43.0 – L C51
2021-07-26 03:38:15 S 01 48 40.07 +24 25 50.1 – L C51
2021-07-26 06:46:34 S 01 48 40.75 +24 28 05.4 – L C51
2021-07-26 09:54:42 S 01 48 41.30 +24 30 19.5 – L C51
2021-07-26 13:03:01 S 01 48 41.84 +24 32 34.1 – L C51