2017 BL31

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8512188684 ± 5.54e-08
Semi-major axis (a)2.4625555800 AU ± 1.45e-08
Inclination (i)24.78720079° ± 1.60e-05
Long. of Asc. Node (Ω)103.10243549° ± 6.51e-06
Arg. of Perihelion (ω)132.26244670° ± 1.40e-05
Mean Anomaly (M)73.13474507° ± 3.49e-06
Mean Motion (n)0.2550546315°/day ± 2.25e-09
Perihelion dist (q)0.36638181 AU ± 1.36e-07
Aphelion dist (Q)4.55872935 AU ± 1.39e-07
Orbital Period3.86437320 yr ± 3.41e-08
Physical Parameters
H (abs. magnitude)19.00
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.194″
Uncertainty0
Orbit TypeApollo
MOID0.142241 AU
Observations Used107
Oppositions5
Arc Total2017-2024
First Observation Used2017-01-26
Last Observation Used2024-12-27
Observations (113)
Date Type RA Dec Mag Band Observatory
2017-01-26 07:51:57 C 04 46 43.975 +18 05 41.00 L F51
2017-01-26 08:10:43 C 04 46 42.279 +18 05 47.25 L F51
2017-01-26 08:29:24 C 04 46 40.622 +18 05 53.33 L F51
2017-01-26 08:47:57 C 04 46 38.934 +18 05 59.61 L F51
2017-01-27 06:44:30 C 04 44 44.33 +18 13 18.0 o 291
2017-01-27 06:52:43 C 04 44 43.64 +18 13 21.3 o 291
2017-01-27 08:16:24 C 04 44 36.576 +18 13 51.36 U 568
2017-01-27 08:18:09 C 04 44 36.422 +18 13 51.92 U 568
2017-01-27 08:19:54 C 04 44 36.264 +18 13 52.53 U 568
2017-01-28 02:55:47 C 04 43 01.38 +18 20 05.8 o 926
2017-01-28 03:11:19 C 04 43 00.05 +18 20 11.6 o 926
2017-01-28 03:26:47 C 04 42 58.71 +18 20 16.7 o 926
2017-01-30 05:38:19 C 04 38 50.05 +18 37 13.0 U H01
2017-01-30 05:49:10 C 04 38 49.15 +18 37 16.7 U H01
2017-01-30 06:01:59 C 04 38 48.10 +18 37 20.9 U H01
2017-01-30 06:07:31 C 04 38 47.64 +18 37 22.7 U H01
2017-02-02 02:49:01 C 04 33 28.87 +19 00 51.2 o 691
2017-02-02 03:02:31 C 04 33 27.76 +19 00 56.0 o 691
2017-02-02 03:16:00 C 04 33 26.82 +19 01 00.6 o 691
2017-02-24 03:44:24 C 04 06 33.49 +22 15 59.8 o 691
2017-02-24 03:57:11 C 04 06 33.17 +22 16 05.1 o 691
2017-02-24 04:09:52 C 04 06 32.73 +22 16 09.8 o 691
2017-02-25 03:32:09 C 04 05 54.77 +22 25 35.9 o 691
2017-02-25 03:51:40 C 04 05 54.20 +22 25 43.9 o 691
2017-02-25 04:11:11 C 04 05 53.68 +22 25 51.1 o 691
2017-03-22 03:58:20 C 04 01 50.67 +27 01 47.7 q I52
2017-03-22 04:09:28 C 04 01 50.69 +27 01 52.3 q I52
2017-03-22 04:30:19 C 04 01 50.75 +27 02 03.8 q I52
2017-11-12 05:16:09 C 01 49 12.99 -26 06 52.9 U 807
2017-11-12 05:38:08 C 01 49 11.82 -26 06 47.6 U 807
2017-11-12 06:00:38 C 01 49 10.62 -26 06 41.5 U 807
2020-12-09 10:53:00 C 07 50 11.98 +15 48 47.5 V I52
2020-12-09 10:59:41 C 07 50 11.76 +15 48 49.9 V I52
2020-12-09 11:19:38 C 07 50 11.10 +15 48 57.1 V I52
2020-12-15 09:10:09 C 07 44 50.65 +16 48 12.5 V G96
2020-12-15 09:17:46 C 07 44 50.28 +16 48 16.2 V G96
2020-12-15 09:25:23 C 07 44 49.89 +16 48 20.2 V G96
2020-12-15 09:32:59 C 07 44 49.50 +16 48 24.1 V G96
2020-12-17 09:45:27 C 07 42 22.52 +17 13 12.0 o 691
2020-12-17 10:02:53 C 07 42 21.46 +17 13 21.5 o 691
2020-12-17 10:20:43 C 07 42 20.50 +17 13 31.3 o 691
2020-12-23 09:37:06 C 07 32 45.78 +18 43 47.9 V G96
2020-12-23 09:43:49 C 07 32 45.21 +18 43 52.7 V G96
2020-12-23 09:50:32 C 07 32 44.67 +18 43 57.2 V G96
2020-12-24 05:55:36 C 07 31 06.05 +18 58 47.3 o 691
2020-12-24 06:13:41 C 07 31 04.52 +18 59 00.5 o 691
2020-12-24 06:31:45 C 07 31 02.96 +18 59 14.6 o 691
2020-12-24 12:49:11 C 07 30 30.151 +19 04 03.46 U F51
2020-12-24 13:28:07 C 07 30 26.683 +19 04 32.94 U F51
2020-12-24 13:47:39 C 07 30 24.942 +19 04 47.73 U F51