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
2011-05-01 03:58:16 C 07 35 50.70 +17 15 09.3 o 291
2011-05-01 04:03:54 C 07 35 51.02 +17 15 07.7 o 291
2011-05-21 03:47:35 C 08 03 25.58 +14 34 07.3 o 291
2011-05-21 03:53:04 C 08 03 26.10 +14 34 05.2 o 291
2011-05-21 03:58:30 C 08 03 26.36 +14 34 03.4 o 291
2011-09-20 09:49:07 C 16 37 44.39 -18 16 19.3 r E12
2011-09-20 09:58:48 C 16 37 47.62 -18 16 15.4 r E12
2011-11-28 01:31:08 C 21 46 19.02 +00 15 44.4 r G96
2011-11-28 01:42:28 C 21 46 20.10 +00 15 49.2 r G96
2011-11-28 01:53:49 C 21 46 21.21 +00 15 54.8 r G96
2011-11-28 02:05:11 C 21 46 22.33 +00 16 00.4 r G96
2016-01-01 09:30:36 C 09 57 49.63 +13 10 48.1 u H21
2016-01-01 10:01:05 C 09 57 49.20 +13 10 44.5 u H21
2016-01-01 10:26:27 C 09 57 48.85 +13 10 41.2 u H21
2016-01-02 09:59:07 C 09 57 29.60 +13 07 46.3 u H21
2016-01-02 10:17:18 C 09 57 29.32 +13 07 44.3 u H21
2016-01-03 08:43:00 C 09 57 09.13 +13 05 03.2 t 705
2016-01-03 08:44:52 C 09 57 09.10 +13 05 03.0 t 705
2016-01-03 08:46:44 C 09 57 09.07 +13 05 02.9 t 705
2016-01-03 11:49:03 C 09 57 05.94 +13 04 41.3 q G96
2016-01-03 11:56:59 C 09 57 05.81 +13 04 40.4 q G96
2016-01-03 12:04:54 C 09 57 05.64 +13 04 39.4 q G96
2016-01-03 12:12:50 C 09 57 05.53 +13 04 38.3 q G96
2016-01-17 10:29:17 C 09 47 42.988 +12 32 55.63 L F51
2016-01-17 10:46:45 C 09 47 42.242 +12 32 54.42 L F51
2016-02-02 09:02:51 C 09 26 17.021 +12 12 02.42 L F51
2016-02-02 09:19:31 C 09 26 15.804 +12 12 01.86 L F51
2016-02-02 09:36:15 C 09 26 14.578 +12 12 01.12 L F51
2016-02-02 09:52:59 C 09 26 13.355 +12 12 00.40 L F51
2016-02-07 06:37:27 C 09 17 26.86 +12 07 06.4 q 703
2016-02-07 06:50:27 C 09 17 25.84 +12 07 07.1 q 703
2016-02-07 06:56:57 C 09 17 25.35 +12 07 05.1 q 703
2016-02-09 06:03:22 C 09 13 38.14 +12 05 04.9 q G96
2016-02-09 06:10:41 C 09 13 37.53 +12 05 04.6 q G96
2016-02-09 06:18:00 C 09 13 36.91 +12 05 04.4 q G96
2016-02-09 06:25:20 C 09 13 36.30 +12 05 04.1 q G96
2016-02-09 09:13:41 C 09 13 22.15 +12 04 56.7 o 691
2016-02-09 09:40:38 C 09 13 19.88 +12 04 54.8 o 691
2016-02-09 10:07:35 C 09 13 17.63 +12 04 54.1 o 691
2016-02-10 09:08:22 C 09 11 23.56 +12 03 51.8 q H45
2016-02-10 09:12:13 C 09 11 23.19 +12 03 51.4 q H45
2016-02-10 09:14:24 C 09 11 23.01 +12 03 51.3 q H45
2016-02-10 09:16:46 C 09 11 22.84 +12 03 51.1 q H45
2016-02-10 09:18:17 C 09 11 22.71 +12 03 51.1 q H45
2016-02-11 03:45:10 C 09 09 50.81 +12 03 01.3 R G45
2016-02-11 03:52:14 C 09 09 50.18 +12 03 01.6 R G45
2016-02-11 04:06:04 C 09 09 49.00 +12 03 00.7 R G45
2016-02-11 04:12:57 C 09 09 48.40 +12 03 00.2 R G45
2016-02-14 03:39:23 C 09 03 40.79 +11 59 30.4 R G45
2016-02-14 03:46:28 C 09 03 40.16 +11 59 30.2 R G45