885020 (2018 BK1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3651019232 ± 7.94e-08
Semi-major axis (a)1.2423883585 AU ± 4.58e-09
Inclination (i)23.01127634° ± 1.23e-05
Long. of Asc. Node (Ω)296.40438437° ± 8.45e-06
Arg. of Perihelion (ω)351.58288921° ± 1.38e-05
Mean Anomaly (M)91.38672910° ± 1.58e-05
Mean Motion (n)0.7117479357°/day ± 3.94e-09
Perihelion dist (q)0.78878998 AU ± 9.87e-08
Aphelion dist (Q)1.69598674 AU ± 9.88e-08
Orbital Period1.38479683 yr ± 7.66e-09
Physical Parameters
H (abs. magnitude)20.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.229″
Uncertainty0
Orbit TypeApollo
MOID0.224950 AU
Observations Used86
Oppositions4
Arc Total2011-2025
First Observation Used2011-01-14
Last Observation Used2025-12-26
Observations (88)
Date Type RA Dec Mag Band Observatory
2011-01-14 06:53:22 C 07 47 44.16 +23 41 44.4 r G96
2011-01-14 07:04:14 C 07 47 42.79 +23 41 38.5 r G96
2011-01-14 07:15:02 C 07 47 41.46 +23 41 33.0 r G96
2011-01-14 07:25:45 C 07 47 40.05 +23 41 27.1 r G96
2011-01-14 09:21:06 C 07 47 25.46 +23 40 25.5 r G96
2011-01-14 09:25:10 C 07 47 24.99 +23 40 23.1 r G96
2011-01-14 09:29:13 C 07 47 24.43 +23 40 20.9 r G96
2011-01-14 10:41:38 C 07 47 15.32 +23 39 41.4 o H01
2011-01-14 10:49:36 C 07 47 14.32 +23 39 37.1 o H01
2011-01-14 10:59:07 C 07 47 13.13 +23 39 31.9 o H01
2011-01-14 11:12:14 C 07 47 11.49 +23 39 24.7 o H01
2011-01-15 06:21:12 C 07 44 50.82 +23 29 08.1 r G96
2011-01-15 06:24:39 C 07 44 50.38 +23 29 06.2 r G96
2011-01-15 06:27:39 C 07 44 49.99 +23 29 04.5 r G96
2011-01-15 06:30:40 C 07 44 49.66 +23 29 03.2 r G96
2011-01-15 06:33:40 C 07 44 49.23 +23 29 01.6 r G96
2011-01-15 07:18:20 C 07 44 44.23 +23 28 38.2 L F65
2011-01-15 07:20:23 C 07 44 43.92 +23 28 37.0 L F65
2011-01-15 07:22:27 C 07 44 43.69 +23 28 36.0 L F65
2018-01-16 09:53:59 C 09 00 14.783 +09 23 40.43 U F51
2018-01-16 10:11:02 C 09 00 12.957 +09 23 30.91 U F51
2018-01-16 10:45:10 C 09 00 09.287 +09 23 11.75 U F51
2018-01-17 07:39:00 C 08 57 57.45 +09 11 22.6 o 291
2018-01-17 07:51:54 C 08 57 56.03 +09 11 15.6 o 291
2018-01-17 08:58:50 C 08 57 48.72 +09 10 37.5 U I52
2018-01-17 09:14:27 C 08 57 47.02 +09 10 29.0 U I52
2018-01-17 09:21:51 C 08 57 46.21 +09 10 24.3 U I52
2018-01-17 10:32:03 C 08 57 39.112 +09 09 47.68 U 568
2018-01-17 10:33:24 C 08 57 38.964 +09 09 46.93 U 568
2018-01-17 10:34:46 C 08 57 38.811 +09 09 46.15 U 568
2018-01-18 04:35:58 C 08 55 43.32 +08 59 32.5 U H01
2018-01-18 04:42:06 C 08 55 42.65 +08 59 29.2 U H01
2018-01-18 05:07:18 C 08 55 39.88 +08 59 15.4 U H01
2018-01-18 05:11:41 C 08 55 39.39 +08 59 12.9 U H01
2018-01-18 23:21:23 C 08 53 40.49 +08 48 56.6 U 204
2018-01-18 23:56:54 C 08 53 36.52 +08 48 36.1 U 204
2018-01-19 04:53:50 C 08 53 04.37 +08 45 50.8 U H01
2018-01-19 04:59:42 C 08 53 03.71 +08 45 47.5 U H01
2018-01-19 05:18:05 C 08 53 01.65 +08 45 37.3 U H01
2018-01-19 05:32:50 C 08 53 00.00 +08 45 29.0 U H01
2018-01-19 21:22:58 C 08 51 14.74 +08 36 30.8 S 033
2018-01-19 21:28:22 C 08 51 14.12 +08 36 27.9 S 033
2018-01-19 21:33:46 C 08 51 13.48 +08 36 24.6 S 033
2018-01-20 12:10:35 C 08 49 34.923 +08 28 16.51 U F51
2018-01-20 12:28:12 C 08 49 32.878 +08 28 06.54 U F51
2018-01-20 12:45:52 C 08 49 30.839 +08 27 56.55 U F51
2018-01-20 13:03:32 C 08 49 28.793 +08 27 46.55 U F51
2018-01-23 11:01:41 C 08 41 27.03 +07 48 28.5 U V06
2018-01-23 11:02:55 C 08 41 26.89 +07 48 28.0 U V06
2018-01-23 11:04:08 C 08 41 26.73 +07 48 27.3 U V06