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
2021-03-10 09:34:06 S 10 27 42.986 -35 21 57.24 – V C57
2021-03-10 09:34:06 s 1 +119279.54 9 +279085.20 4570.0 – C57
2021-03-10 09:44:06 S 10 27 41.347 -35 22 34.25 – V C57
2021-03-10 09:44:06 s 1 +118993.74 5 +279574.02 5830.0 – C57
2021-03-10 09:54:06 S 10 27 39.794 -35 23 10.18 – V C57
2021-03-10 09:54:06 s 1 +118707.33 4 +280061.42 5760.0 – C57
2021-03-10 10:04:06 S 10 27 38.208 -35 23 42.32 – V C57
2021-03-10 10:04:06 s 1 +118420.31 8 +280547.40 4380.0 – C57
2021-03-10 10:14:06 S 10 27 36.550 -35 24 17.53 – V C57
2021-03-10 10:14:06 s 1 +118132.70 2 +281031.97 1680.0 – C57
2021-03-10 10:24:06 S 10 27 34.882 -35 24 54.14 – V C57
2021-03-10 10:24:06 s 1 +117844.48 8 +281515.12 7670.0 – C57
2021-03-10 10:34:06 S 10 27 33.305 -35 25 27.88 – V C57
2021-03-10 10:34:06 s 1 +117555.68 0 +281996.87 2360.0 – C57
2021-03-10 11:04:06 S 10 27 27.948 -35 27 19.26 – V C57
2021-03-10 11:04:06 s 1 +116685.72 4 +283433.68 8700.0 – C57
2021-03-10 11:14:06 S 10 27 26.434 -35 27 51.55 – V C57
2021-03-10 11:14:06 s 1 +116394.57 2 +283909.81 8260.0 – C57
2021-03-10 11:24:06 S 10 27 24.588 -35 28 25.00 – V C57
2021-03-10 11:24:06 s 1 +116102.84 3 +284384.55 6550.0 – C57
2021-03-10 11:34:06 S 10 27 23.158 -35 29 04.92 – V C57
2021-03-10 11:34:06 s 1 +115810.53 9 +284857.88 3580.0 – C57
2021-03-10 11:44:06 S 10 27 21.034 -35 29 40.16 – V C57
2021-03-10 11:44:06 s 1 +115517.66 3 +285329.83 9360.0 – C57
2021-03-10 11:54:06 S 10 27 19.574 -35 30 18.32 – V C57
2021-03-10 11:54:06 s 1 +115224.21 9 +285800.37 3890.0 – C57
2021-03-10 12:04:06 S 10 27 17.549 -35 30 50.36 – V C57
2021-03-10 12:04:06 s 1 +114930.21 1 +286269.53 7180.0 – C57
2021-03-10 12:14:06 S 10 27 15.677 -35 31 30.86 – V C57
2021-03-10 12:14:06 s 1 +114635.64 0 +286737.30 9230.0 – C57
2021-03-10 12:54:06 S 10 27 09.202 -35 33 47.34 – V C57
2021-03-10 12:54:06 s 1 +113451.80 0 +288594.54 5220.0 – C57
2021-03-10 13:04:06 S 10 27 07.798 -35 34 23.81 – V C57
2021-03-10 13:04:06 s 1 +113154.46 7 +289055.40 1190.0 – C57
2021-03-10 13:14:06 S 10 27 05.969 -35 35 03.95 – V C57
2021-03-10 13:14:06 s 1 +112856.58 9 +289514.88 5970.0 – C57
2021-03-10 13:24:06 S 10 27 03.926 -35 35 35.23 – V C57
2021-03-10 13:24:06 s 1 +112558.17 2 +289972.98 9560.0 – C57
2021-03-10 13:34:06 S 10 27 02.285 -35 36 11.56 – V C57
2021-03-10 13:34:06 s 1 +112259.21 7 +290429.71 1960.0 – C57
2021-03-10 13:44:06 S 10 27 00.619 -35 36 46.87 – V C57
2021-03-10 13:44:06 s 1 +111959.72 7 +290885.08 3180.0 – C57
2021-03-10 13:54:06 S 10 26 58.800 -35 37 20.14 – V C57
2021-03-10 13:54:06 s 1 +111659.70 6 +291339.07 3220.0 – C57
2021-03-10 14:14:06 S 10 26 54.830 -35 38 28.39 – V C57
2021-03-10 14:14:06 s 1 +111058.08 2 +292242.96 9830.0 – C57
2021-03-10 14:24:06 S 10 26 54.197 -35 39 14.83 – V C57
2021-03-10 14:24:06 s 1 +110756.48 4 +292692.86 6390.0 – C57
2021-03-11 00:54:06 S 10 25 01.442 -36 17 00.71 – V C57
2021-03-11 00:54:06 s 1 +90819.405 0 +318366.81 0.0 – C57