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
2021-03-16 14:34:06 s 1 -176565.30 3 +266860.65 2000.0 – C57
2021-03-16 14:44:06 S 09 51 03.053 -44 56 31.81 – V C57
2021-03-16 14:44:06 s 1 -176773.55 7 +266374.89 9930.0 – C57
2021-03-16 14:54:06 S 09 50 59.138 -44 57 31.90 – V C57
2021-03-16 14:54:06 s 1 -176981.05 5 +265887.97 6460.0 – C57
2021-03-16 15:04:06 S 09 50 56.470 -44 57 59.72 – V C57
2021-03-16 15:04:06 s 1 -177187.79 4 +265399.88 1560.0 – C57
2021-03-16 15:24:06 S 09 50 49.781 -44 59 18.71 – V C57
2021-03-16 15:24:06 s 1 -177598.98 5 +264420.23 7490.0 – C57
2021-03-16 15:34:06 S 09 50 45.478 -45 00 03.49 – V C57
2021-03-16 15:34:06 s 1 -177803.43 0 +263928.65 8290.0 – C57
2021-03-16 15:44:06 S 09 50 42.890 -45 00 40.39 – V C57
2021-03-16 15:44:06 s 1 -178007.10 5 +263435.91 7660.0 – C57
2021-03-16 15:54:06 S 09 50 39.403 -45 01 23.02 – V C57
2021-03-16 15:54:06 s 1 -178210.00 6 +262942.00 5580.0 – C57
2021-03-16 16:04:06 S 09 50 36.022 -45 02 08.77 – V C57
2021-03-16 16:04:06 s 1 -178412.13 0 +262446.92 2040.0 – C57
2021-03-16 16:24:06 S 09 50 28.752 -45 03 23.36 – V C57
2021-03-16 16:24:06 s 1 -178814.03 6 +261453.25 580.0 – C57
2021-03-16 16:34:06 S 09 50 26.006 -45 03 58.21 – V C57
2021-03-16 16:34:06 s 1 -179013.81 1 +260954.66 2640.0 – C57
2021-03-16 16:44:06 S 09 50 22.836 -45 04 40.19 – V C57
2021-03-16 16:44:06 s 1 -179212.79 8 +260454.90 3220.0 – C57
2021-03-16 16:54:06 S 09 50 18.840 -45 05 22.92 – V C57
2021-03-16 16:54:06 s 1 -179410.99 2 +259953.96 2320.0 – C57
2021-03-16 17:04:06 S 09 50 14.916 -45 06 01.40 – V C57
2021-03-16 17:04:06 s 1 -179608.39 1 +259451.85 9930.0 – C57
2021-03-16 17:34:06 S 09 50 05.222 -45 08 08.23 – V C57
2021-03-16 17:34:06 s 1 -180195.78 5 +257938.47 3760.0 – C57
2021-03-16 17:44:06 S 09 50 01.649 -45 08 42.76 – V C57
2021-03-16 17:44:06 s 1 -180389.97 1 +257431.66 5350.0 – C57
2021-03-16 18:04:06 S 09 49 54.790 -45 09 58.25 – V C57
2021-03-16 18:04:06 s 1 -180775.90 7 +256414.49 3960.0 – C57
2021-03-16 18:24:06 S 09 49 48.036 -45 11 22.63 – V C57
2021-03-16 18:24:06 s 1 -181158.57 2 +255392.59 6430.0 – C57
2021-03-16 18:44:06 S 09 49 41.040 -45 12 38.81 – V C57
2021-03-16 18:44:06 s 1 -181537.94 1 +254365.96 2730.0 – C57
2021-03-16 18:54:06 S 09 49 38.441 -45 13 14.16 – V C57
2021-03-16 18:54:06 s 1 -181726.38 1 +253850.87 3540.0 – C57
2021-03-16 19:24:06 S 09 49 28.159 -45 15 24.70 – V C57
2021-03-16 19:24:06 s 1 -182286.68 3 +252298.48 6560.0 – C57
2021-03-16 19:44:06 S 09 49 20.726 -45 16 30.94 – V C57
2021-03-16 19:44:06 s 1 -182656.00 3 +251257.60 4000.0 – C57
2021-03-16 19:54:06 S 09 49 16.958 -45 17 22.02 – V C57
2021-03-16 19:54:06 s 1 -182839.38 9 +250735.38 5330.0 – C57
2021-03-16 21:14:06 S 09 48 49.243 -45 22 44.69 – V C57
2021-03-16 21:14:06 s 1 -184275.42 4 +246514.57 7650.0 – C57
2021-03-16 21:24:06 S 09 48 45.917 -45 23 22.78 – V C57
2021-03-16 21:24:06 s 1 -184450.99 5 +245981.58 4310.0 – C57
2021-03-16 21:34:06 S 09 48 43.186 -45 23 58.81 – V C57