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
2021-03-27 19:24:05 s 1 -93182.998 0 +356391.72 9230.0 – C57
2021-03-27 21:24:05 S 07 22 11.047 -61 35 25.08 – V C57
2021-03-27 21:24:05 s 1 -97286.139 0 +353863.21 1880.0 – C57
2021-03-27 21:44:05 S 07 21 52.584 -61 36 17.64 – V C57
2021-03-27 21:44:05 s 1 -97966.027 0 +353427.29 3440.0 – C57
2021-03-27 22:04:05 S 07 21 33.226 -61 37 03.11 – V C57
2021-03-27 22:04:05 s 1 -98644.754 0 +352987.21 2880.0 – C57
2021-03-27 22:14:05 S 07 21 24.175 -61 37 28.67 – V C57
2021-03-27 22:14:05 s 1 -98983.679 0 +352765.62 1810.0 – C57
2021-03-27 22:34:05 S 07 21 07.735 -61 38 03.41 – V C57
2021-03-27 22:34:05 s 1 -99660.646 0 +352319.31 8050.0 – C57
2021-03-27 22:44:05 S 07 20 57.362 -61 38 31.70 – V C57
2021-03-27 22:44:05 s 1 -99998.686 0 +352094.60 5360.0 – C57
2021-03-27 22:54:05 S 07 20 48.538 -61 38 57.41 – V C57
2021-03-27 22:54:05 s 1 -100336.42 7 +351868.84 2130.0 – C57
2021-03-27 23:04:05 S 07 20 40.783 -61 39 14.15 – V C57
2021-03-27 23:04:05 s 1 -100673.87 0 +351642.05 8350.0 – C57
2021-03-27 23:34:05 S 07 20 11.626 -61 40 20.68 – V C57
2021-03-27 23:34:05 s 1 -101684.39 0 +350955.42 3720.0 – C57
2021-03-27 23:44:05 S 07 20 00.701 -61 40 49.26 – V C57
2021-03-27 23:44:05 s 1 -102020.62 4 +350724.46 7730.0 – C57
2021-03-27 23:54:05 S 07 19 54.053 -61 41 08.41 – V C57
2021-03-27 23:54:05 s 1 -102356.55 1 +350492.46 1190.0 – C57
2021-03-28 00:14:05 S 07 19 36.398 -61 41 50.17 – V C57
2021-03-28 00:14:05 s 1 -103027.48 5 +350025.33 6420.0 – C57
2021-03-28 00:24:05 S 07 19 26.830 -61 42 11.34 – V C57
2021-03-28 00:24:05 s 1 -103362.48 9 +349790.20 8190.0 – C57
2021-03-28 00:44:05 S 07 19 08.304 -61 42 53.96 – V C57
2021-03-28 00:44:05 s 1 -104031.56 2 +349316.82 20.0 – C57
2021-03-28 01:14:05 S 07 18 39.434 -61 44 08.38 – V C57
2021-03-28 01:14:05 s 1 -105032.81 9 +348598.90 8460.0 – C57
2021-03-28 01:24:05 S 07 18 32.674 -61 44 24.90 – V C57
2021-03-28 01:24:05 s 1 -105365.93 8 +348357.51 6790.0 – C57
2021-03-28 01:34:05 S 07 18 22.738 -61 44 38.26 – V C57
2021-03-28 01:34:05 s 1 -105698.73 8 +348115.07 4530.0 – C57
2021-03-28 02:34:05 S 07 17 27.283 -61 46 58.01 – V C57
2021-03-28 02:34:05 s 1 -107688.77 5 +346638.44 8570.0 – C57
2021-03-28 02:54:05 S 07 17 08.165 -61 47 49.09 – V C57
2021-03-28 02:54:05 s 1 -108349.51 1 +346137.85 5140.0 – C57
2021-03-28 03:04:05 S 07 16 58.603 -61 48 03.42 – V C57
2021-03-28 03:04:05 s 1 -108679.38 4 +345885.98 7510.0 – C57
2021-03-28 03:14:05 S 07 16 51.348 -61 48 15.55 – V C57
2021-03-28 03:14:05 s 1 -109008.92 4 +345633.06 9280.0 – C57
2021-03-28 03:24:05 S 07 16 41.477 -61 48 49.07 – V C57
2021-03-28 03:24:05 s 1 -109338.13 0 +345379.09 430.0 – C57
2021-03-28 03:34:05 S 07 16 30.118 -61 49 19.45 – V C57
2021-03-28 03:34:05 s 1 -109667.00 2 +345124.07 970.0 – C57
2021-03-28 03:44:05 S 07 16 21.636 -61 49 40.26 – V C57
2021-03-28 03:44:05 s 1 -109995.53 8 +344868.00 890.0 – C57
2021-03-28 04:24:05 S 07 15 43.258 -61 50 45.46 – V C57