856955 (2012 BT23)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5986301917 ± 4.76e-09
Semi-major axis (a)1.9769034985 AU ± 8.60e-10
Inclination (i)9.08258474° ± 2.48e-06
Long. of Asc. Node (Ω)182.08399877° ± 1.25e-05
Arg. of Perihelion (ω)43.51935050° ± 1.22e-05
Mean Anomaly (M)321.28960633° ± 8.48e-07
Mean Motion (n)0.3545961951°/day ± 2.31e-10
Perihelion dist (q)0.79346938 AU ± 9.42e-09
Aphelion dist (Q)3.16033762 AU ± 9.51e-09
Orbital Period2.77957377 yr ± 1.81e-09
Physical Parameters
H (abs. magnitude)18.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.236″
Uncertainty0
Orbit TypeApollo
MOID0.046856 AU
Observations Used604
Radar Obs Used1
Oppositions9
Arc Total1998-2026
First Observation Used1998-07-19
Last Observation Used2026-01-17
Observations (646)
Date Type RA Dec Mag Band Observatory
2012-03-04 20:50:35 C 05 55 56.53 -02 34 43.8 u J51
2012-03-06 00:11:09 C 05 47 16.93 -02 01 42.8 u I15
2012-03-06 00:14:30 C 05 47 15.89 -02 01 38.4 u I15
2012-03-06 00:17:51 C 05 47 14.67 -02 01 34.5 u I15
2012-03-06 01:14:13 C 05 46 56.42 -02 00 21.9 o H21
2012-03-06 01:22:11 C 05 46 53.72 -02 00 11.8 o H21
2012-03-06 01:26:19 C 05 46 52.34 -02 00 06.8 o H21
2012-03-06 01:30:26 C 05 46 50.94 -02 00 01.4 o H21
2012-03-06 01:34:33 C 05 46 49.55 -01 59 56.3 o H21
2012-03-06 01:38:40 C 05 46 48.16 -01 59 51.1 o H21
2012-03-06 01:42:46 C 05 46 46.76 -01 59 45.9 o H21
2012-03-06 01:45:14 C 05 46 45.94 -01 59 42.8 o H21
2012-03-07 17:11:37 C 05 33 22.34 -01 07 29.6 u C73
2012-03-07 17:12:50 C 05 33 21.86 -01 07 28.2 u C73
2012-03-07 17:15:11 C 05 33 21.02 -01 07 24.4 u C73
2012-03-07 17:17:32 C 05 33 20.21 -01 07 22.1 u C73
2012-03-07 17:18:42 C 05 33 19.79 -01 07 21.6 u C73
2012-03-07 17:19:52 C 05 33 19.24 -01 07 18.1 u C73
2012-03-07 17:21:02 C 05 33 18.85 -01 07 16.6 u C73
2012-03-07 17:24:33 C 05 33 17.55 -01 07 11.9 u C73
2012-03-07 17:25:43 C 05 33 17.17 -01 07 10.5 u C73
2012-03-07 17:26:53 C 05 33 16.68 -01 07 07.6 u C73
2012-03-07 17:28:05 C 05 33 16.41 -01 07 07.1 u C73
2012-03-07 17:29:15 C 05 33 16.03 -01 07 06.9 u C73
2012-03-09 02:20:34 C 05 21 13.42 -00 19 32.4 u H21
2012-03-09 02:25:24 C 05 21 11.55 -00 19 25.0 u H21
2012-03-09 02:30:13 C 05 21 09.68 -00 19 17.9 u H21
2012-03-09 02:35:09 C 05 21 07.74 -00 19 10.6 u H21
2012-03-13 19:15:22 C 04 33 12.34 +02 49 25.6 u 160
2012-03-13 19:19:21 C 04 33 10.38 +02 49 33.0 u 160
2012-03-13 19:22:19 C 04 33 08.98 +02 49 38.2 u 160
2012-03-14 01:22:07 C 04 30 17.73 +03 00 43.4 u H21
2012-03-14 01:25:56 C 04 30 15.87 +03 00 50.4 u H21
2012-03-14 01:33:33 C 04 30 12.11 +03 01 04.3 u H21
2012-03-14 18:56:09 C 04 21 44.84 +03 33 17.5 u 160
2012-03-14 19:00:14 C 04 21 42.74 +03 33 25.8 u 160
2012-03-14 19:04:23 C 04 21 40.63 +03 33 33.5 u 160
2012-03-15 03:22:00 C 04 17 32.43 +03 49 21.7 o G48
2012-03-15 03:22:44 C 04 17 32.05 +03 49 23.4 o G48
2012-03-15 03:23:31 C 04 17 31.67 +03 49 24.2 o G48
2012-03-15 03:24:19 C 04 17 31.25 +03 49 26.5 o G48
2012-03-16 18:42:52 C 03 57 12.79 +05 04 14.9 u 160
2012-03-16 18:46:42 C 03 57 10.72 +05 04 22.8 u 160
2012-03-16 18:50:11 C 03 57 08.86 +05 04 29.8 u 160
2012-03-17 00:49:53 C 03 53 56.89 +05 16 05.2 u H21
2012-03-17 00:57:23 C 03 53 52.78 +05 16 19.4 u H21
2012-03-17 00:59:47 C 03 53 51.46 +05 16 24.1 u H21
2012-03-17 01:01:34 C 03 53 50.48 +05 16 27.6 u H21
2012-07-16 08:26:55 C 00 21 10.05 +13 44 42.5 t H21
2012-07-16 08:39:53 C 00 21 09.91 +13 44 40.0 t H21
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-03-25 18:04:00 130832732.43 8 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)