2017 BM31

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4933082146 ± 1.55e-08
Semi-major axis (a)1.7826693545 AU ± 4.50e-08
Inclination (i)6.61019468° ± 2.72e-06
Long. of Asc. Node (Ω)132.60606018° ± 1.18e-05
Arg. of Perihelion (ω)96.12247670° ± 1.26e-05
Mean Anomaly (M)204.16251545° ± 4.24e-05
Mean Motion (n)0.4141008082°/day ± 1.57e-08
Perihelion dist (q)0.90326392 AU ± 3.58e-08
Aphelion dist (Q)2.66207479 AU ± 7.26e-08
Orbital Period2.38016025 yr ± 9.01e-08
Physical Parameters
H (abs. magnitude)20.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.240″
Uncertainty0
Orbit TypeApollo
MOID0.064524 AU
Observations Used346
Radar Obs Used3
Oppositions1
Arc Total2015-2022
First Observation Used2015-10-08
Last Observation Used2022-09-27
Observations (360)
Date Type RA Dec Mag Band Observatory
2015-10-08 05:53:22 C 01 48 23.71 +00 02 44.2 W W84
2017-01-27 11:34:17 C 07 38 52.471 +18 14 48.49 L F51
2017-01-27 11:52:32 C 07 38 50.793 +18 14 58.11 L F51
2017-01-27 12:10:48 C 07 38 49.122 +18 15 07.69 L F51
2017-01-28 06:38:06 C 07 37 11.61 +18 25 00.7 o 926
2017-01-28 06:53:24 C 07 37 10.19 +18 25 08.3 o 926
2017-01-28 07:09:34 C 07 37 08.68 +18 25 16.9 o 926
2017-01-28 07:16:51 C 07 37 08.01 +18 25 21.2 o 291
2017-01-28 07:21:11 C 07 37 07.63 +18 25 23.6 o 291
2017-01-28 07:25:28 C 07 37 07.18 +18 25 26.0 o 291
2017-01-28 07:55:44 C 07 37 05.136 +18 25 44.86 U 568
2017-01-28 07:57:10 C 07 37 05.005 +18 25 45.63 U 568
2017-01-28 07:58:35 C 07 37 04.872 +18 25 46.41 U 568
2017-01-28 20:25:37 C 07 35 58.32 +18 32 23.7 o K88
2017-01-28 20:38:30 C 07 35 57.12 +18 32 31.0 o K88
2017-01-29 03:24:20 C 07 35 21.33 +18 36 13.9 q I52
2017-01-29 03:31:01 C 07 35 20.68 +18 36 17.7 q I52
2017-01-29 03:44:17 C 07 35 19.46 +18 36 24.1 q I52
2017-01-29 03:49:17 C 07 35 19.01 +18 36 27.2 q I52
2017-01-29 05:46:52 C 07 35 08.11 +18 37 31.3 q I52
2017-01-29 05:51:58 C 07 35 07.63 +18 37 34.5 q I52
2017-01-29 06:01:54 C 07 35 06.68 +18 37 39.9 q I52
2017-01-29 08:11:06 C 07 34 54.75 +18 38 49.9 o 691
2017-01-29 08:27:37 C 07 34 53.28 +18 38 58.5 o 691
2017-01-29 08:44:03 C 07 34 51.60 +18 39 07.6 o 691
2017-01-30 05:57:26 C 07 32 58.35 +18 50 43.5 o 691
2017-01-30 06:15:36 C 07 32 56.62 +18 50 54.2 o 691
2017-02-01 04:57:19 C 07 28 45.63 +19 16 36.6 q I52
2017-02-01 05:02:03 C 07 28 45.20 +19 16 38.9 q I52
2017-02-01 05:05:13 C 07 28 44.90 +19 16 41.0 q I52
2017-02-01 05:09:56 C 07 28 44.43 +19 16 43.1 q I52
2017-02-02 03:27:57 C 07 26 44.92 +19 29 04.2 o 691
2017-02-02 03:38:08 C 07 26 43.88 +19 29 10.2 o 691
2017-02-02 03:48:19 C 07 26 42.94 +19 29 16.3 o 691
2017-02-24 06:51:58 C 06 46 34.16 +24 13 36.8 U 705
2017-02-24 06:53:25 C 06 46 34.07 +24 13 37.1 U 705
2017-02-24 06:54:52 C 06 46 33.93 +24 13 36.9 U 705
2017-02-24 07:04:17 C 06 46 33.54 +24 13 43.1 o 691
2017-02-24 07:25:35 C 06 46 32.39 +24 13 53.1 o 691
2017-02-24 07:46:53 C 06 46 31.25 +24 14 03.0 o 691
2017-03-29 05:44:54 C 06 42 45.228 +29 53 56.76 U T12
2017-03-29 05:46:06 C 06 42 45.273 +29 53 57.22 U T12
2017-03-31 05:45:48 C 06 44 43.814 +30 12 43.10 U T12
2017-03-31 05:48:30 C 06 44 43.917 +30 12 44.14 U T12
2017-04-23 03:29:30 C 07 20 37.66 +33 46 31.0 o 291
2017-04-23 03:34:13 C 07 20 38.04 +33 46 33.2 o 291
2017-04-23 03:38:57 C 07 20 38.43 +33 46 34.7 o 291
2017-06-19 04:23:00 C 10 40 37.53 +51 33 47.0 q I52
2017-06-19 04:37:15 C 10 40 43.29 +51 34 08.3 q I52
2017-06-19 04:41:28 C 10 40 45.01 +51 34 14.8 q I52
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-07-07 02:12:00 -24997.6971 0.1 Hz 2380 -1 -1
2017-07-07 02:45:00 72266210.5 4 us 2380 -1 -1
2017-07-08 02:30:00 73502265.06 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)