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
2016-09-08 13:48:06 C 22 40 40.30 +23 04 26.2 q D29
2016-09-08 14:08:27 C 22 40 38.70 +23 04 10.4 q D29
2016-09-08 14:28:49 C 22 40 37.09 +23 03 54.9 q D29
2016-09-09 21:42:03 C 22 38 24.46 +22 39 41.3 q 160
2016-09-09 21:44:54 C 22 38 24.17 +22 39 38.2 q 160
2016-09-09 21:47:45 C 22 38 24.00 +22 39 36.9 q 160
2016-09-11 04:45:10 C 22 36 23.04 +22 15 58.0 q 703
2016-09-11 04:51:42 C 22 36 22.56 +22 15 54.1 q 703
2016-09-11 04:58:11 C 22 36 22.17 +22 15 49.6 q 703
2016-09-11 05:04:42 C 22 36 21.77 +22 15 44.7 q 703
2016-09-11 06:21:41 C 22 36 16.22 +22 14 45.0 q H45
2016-09-11 06:23:30 C 22 36 16.09 +22 14 43.6 q H45
2016-09-11 06:25:04 C 22 36 15.99 +22 14 42.7 q H45
2016-09-11 06:29:49 C 22 36 15.69 +22 14 39.0 q H45
2016-09-11 06:31:19 C 22 36 15.58 +22 14 37.4 q H45
2016-09-11 06:32:42 C 22 36 15.48 +22 14 36.6 q H45
2016-09-22 12:35:08 C 22 24 39.94 +19 04 06.5 q D29
2016-09-22 12:56:45 C 22 24 39.29 +19 03 52.6 q D29
2016-09-22 13:18:24 C 22 24 38.65 +19 03 38.9 q D29
2016-09-25 03:31:03 C 22 23 13.54 +18 24 27.3 q 703
2016-09-25 03:39:43 C 22 23 13.34 +18 24 21.7 q 703
2016-09-25 03:48:24 C 22 23 13.15 +18 24 17.4 q 703
2016-09-25 03:57:04 C 22 23 12.90 +18 24 12.3 q 703
2016-10-05 05:00:45 C 22 21 03.71 +16 10 46.9 q G96
2016-10-05 05:06:54 C 22 21 03.70 +16 10 44.1 q G96
2016-10-05 05:13:09 C 22 21 03.74 +16 10 40.2 q G96
2016-10-05 05:19:19 C 22 21 03.77 +16 10 37.8 q G96
2016-10-16 08:46:40 C 22 23 32.949 +14 17 26.96 L F51
2016-10-16 09:01:47 C 22 23 33.201 +14 17 21.55 L F51
2016-10-16 09:31:49 C 22 23 33.830 +14 17 13.88 L F51
2016-10-30 05:26:45 C 22 31 31.86 +12 43 30.9 q G96
2016-10-30 05:32:59 C 22 31 32.09 +12 43 30.0 q G96
2016-10-30 05:41:03 C 22 31 32.29 +12 43 27.0 q G96
2016-10-30 05:47:18 C 22 31 32.48 +12 43 26.0 q G96
2020-12-23 14:45:35 C 10 59 18.160 +04 10 43.31 U F52
2020-12-23 15:00:38 C 10 59 18.691 +04 10 35.22 U F52
2020-12-23 15:15:42 C 10 59 19.223 +04 10 27.03 U F52
2021-01-12 10:05:57 C 11 13 58.17 -00 33 26.1 V G96
2021-01-12 10:13:21 C 11 13 58.36 -00 33 32.0 V G96
2021-01-12 10:28:09 C 11 13 58.72 -00 33 41.8 V G96
2021-01-14 14:19:47 C 11 15 08.582 -01 09 31.42 U F52
2021-01-14 14:35:35 C 11 15 08.880 -01 09 42.57 U F52
2021-01-14 14:51:22 C 11 15 09.200 -01 09 53.64 U F52
2021-01-14 15:07:08 C 11 15 09.499 -01 10 04.81 U F52
2021-01-19 19:37:49 C 11 17 30.62 -02 41 43.6 q D29
2021-01-19 19:58:10 C 11 17 30.95 -02 41 57.8 q D29
2021-02-06 08:58:57 C 11 19 21.53 -09 16 00.9 V 703
2021-02-06 09:06:32 C 11 19 21.49 -09 16 09.3 V 703
2021-02-06 09:14:08 C 11 19 21.32 -09 16 18.4 V 703
2021-02-06 09:21:43 C 11 19 21.35 -09 16 26.5 V 703