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 09:34:06 s 1 -169980.28 3 +280897.87 3140.0 C57
2021-03-16 09:44:06 S 09 52 43.637 -44 36 35.28 V C57
2021-03-16 09:44:06 s 1 -170209.90 9 +280446.53 1010.0 C57
2021-03-16 09:54:06 S 09 52 40.008 -44 37 14.27 V C57
2021-03-16 09:54:06 s 1 -170438.86 0 +279994.06 7620.0 C57
2021-03-16 10:04:06 S 09 52 35.866 -44 38 05.17 V C57
2021-03-16 10:04:06 s 1 -170667.13 6 +279540.45 2970.0 C57
2021-03-16 10:13:45 C 09 51 20.92 -44 19 24.6 V T05
2021-03-16 10:14:06 S 09 52 33.000 -44 38 38.51 V C57
2021-03-16 10:14:06 s 1 -170894.73 3 +279085.70 7050.0 C57
2021-03-16 10:19:02 C 09 51 19.26 -44 19 45.7 V T05
2021-03-16 10:27:38 C 09 51 16.56 -44 20 19.0 V T05
2021-03-16 10:34:06 S 09 52 26.597 -44 39 56.63 V C57
2021-03-16 10:34:06 s 1 -171347.88 0 +278172.80 1400.0 C57
2021-03-16 10:43:28 C 09 51 11.50 -44 21 21.2 V T05
2021-03-16 10:44:06 S 09 52 22.579 -44 40 43.10 V C57
2021-03-16 10:44:06 s 1 -171573.42 5 +277714.64 1650.0 C57
2021-03-16 11:04:06 S 09 52 16.411 -44 42 05.29 V C57
2021-03-16 11:04:06 s 1 -172022.44 5 +276794.91 8300.0 C57
2021-03-16 11:24:06 S 09 52 10.231 -44 43 14.66 V C57
2021-03-16 11:24:06 s 1 -172468.68 8 +275870.61 9760.0 C57
2021-03-16 11:34:06 S 09 52 06.334 -44 43 58.51 V C57
2021-03-16 11:34:06 s 1 -172690.76 1 +275406.74 3530.0 C57
2021-03-16 11:44:06 S 09 52 03.562 -44 44 40.06 V C57
2021-03-16 11:44:06 s 1 -172912.13 1 +274941.73 5990.0 C57
2021-03-16 11:54:06 S 09 51 59.662 -44 45 19.73 V C57
2021-03-16 11:54:06 s 1 -173132.79 7 +274475.58 7130.0 C57
2021-03-16 12:44:06 S 09 51 42.658 -44 48 38.45 V C57
2021-03-16 12:44:06 s 1 -174225.45 3 +272127.60 2910.0 C57
2021-03-16 12:54:06 S 09 51 40.037 -44 49 20.24 V C57
2021-03-16 12:54:06 s 1 -174441.83 0 +271654.55 6040.0 C57
2021-03-16 13:04:06 S 09 51 36.857 -44 50 04.06 V C57
2021-03-16 13:04:06 s 1 -174657.48 3 +271180.36 7820.0 C57
2021-03-16 13:14:06 S 09 51 32.734 -44 50 47.58 V C57
2021-03-16 13:14:06 s 1 -174872.41 0 +270705.01 8240.0 C57
2021-03-16 13:24:06 S 09 51 30.281 -44 51 21.85 V C57
2021-03-16 13:24:06 s 1 -175086.60 6 +270228.51 7290.0 C57
2021-03-16 13:34:06 S 09 51 26.426 -44 51 59.62 V C57
2021-03-16 13:34:06 s 1 -175300.06 9 +269750.86 4980.0 C57
2021-03-16 13:44:06 S 09 51 22.913 -44 52 38.57 V C57
2021-03-16 13:44:06 s 1 -175512.79 7 +269272.05 1280.0 C57
2021-03-16 13:54:06 S 09 51 20.345 -44 53 19.72 V C57
2021-03-16 13:54:06 s 1 -175724.78 7 +268792.08 6210.0 C57
2021-03-16 14:04:06 S 09 51 16.138 -44 54 11.70 V C57
2021-03-16 14:04:06 s 1 -175936.03 5 +268310.96 9750.0 C57
2021-03-16 14:14:06 S 09 51 13.200 -44 54 42.26 V C57
2021-03-16 14:14:06 s 1 -176146.53 9 +267828.68 1900.0 C57
2021-03-16 14:24:06 S 09 51 09.595 -44 55 17.44 V C57
2021-03-16 14:24:06 s 1 -176356.29 6 +267345.24 2650.0 C57
2021-03-16 14:34:06 S 09 51 06.398 -44 55 56.96 V C57