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
2012-02-25 03:40:20 C 06 49 42.65 -05 38 31.3 u H45
2012-02-25 03:42:52 C 06 49 42.08 -05 38 29.4 u H45
2012-02-25 03:44:22 C 06 49 41.75 -05 38 27.9 u H45
2012-02-25 03:48:54 C 06 49 40.73 -05 38 25.9 u H45
2012-02-25 03:49:48 C 06 49 40.53 -05 38 25.3 u H45
2012-02-25 03:53:09 C 06 49 39.77 -05 38 23.7 u H45
2012-02-26 02:48:21 C 06 44 38.78 -05 23 42.1 u H21
2012-02-26 02:57:04 C 06 44 36.76 -05 23 36.4 u H21
2012-02-26 02:58:25 C 06 44 36.44 -05 23 35.4 u H21
2012-02-26 02:59:47 C 06 44 36.13 -05 23 34.6 u H21
2012-02-26 03:01:08 C 06 44 35.81 -05 23 33.6 u H21
2012-02-26 03:08:44 C 06 44 34.05 -05 23 28.6 u H21
2012-02-26 04:57:51 C 06 44 08.79 -05 22 13.2 u H45
2012-02-26 04:59:52 C 06 44 08.32 -05 22 11.1 u H45
2012-02-26 05:01:33 C 06 44 07.95 -05 22 10.0 u H45
2012-02-26 05:03:09 C 06 44 07.58 -05 22 08.7 u H45
2012-02-26 05:04:37 C 06 44 07.20 -05 22 07.7 u H45
2012-02-26 05:06:06 C 06 44 06.86 -05 22 06.8 u H45
2012-02-26 05:07:26 C 06 44 06.58 -05 22 06.5 u H45
2012-02-26 20:23:10 C 06 40 40.30 -05 11 35.1 c J08
2012-02-26 20:54:56 C 06 40 32.69 -05 11 11.3 c J08
2012-02-26 21:21:31 C 06 40 27.21 -05 10 47.4 w J51
2012-02-26 21:35:36 C 06 40 23.86 -05 10 37.3 w J51
2012-02-26 21:52:48 C 06 40 19.66 -05 10 24.5 w J51
2012-02-29 20:06:55 C 06 23 13.44 -04 14 21.7 u 151
2012-02-29 20:08:21 C 06 23 13.05 -04 14 20.4 u 151
2012-02-29 20:09:48 C 06 23 12.65 -04 14 19.0 u 151
2012-02-29 20:11:12 C 06 23 12.27 -04 14 17.6 u 151
2012-02-29 20:12:39 C 06 23 11.88 -04 14 16.4 u 151
2012-02-29 20:14:04 C 06 23 11.50 -04 14 14.9 u 151
2012-02-29 20:15:30 C 06 23 11.12 -04 14 13.4 u 151
2012-02-29 20:36:45 C 06 23 05.32 -04 13 53.8 c 560
2012-02-29 20:38:12 C 06 23 04.93 -04 13 52.5 c 560
2012-02-29 20:39:40 C 06 23 04.61 -04 13 49.9 c 560
2012-03-01 20:06:44 C 06 16 53.53 -03 52 08.6 u A78
2012-03-01 20:13:18 C 06 16 51.71 -03 52 02.4 u A78
2012-03-01 20:19:52 C 06 16 49.88 -03 51 56.3 u A78
2012-03-01 20:25:08 C 06 16 48.41 -03 51 51.0 u A78
2012-03-04 02:46:24 C 06 01 24.49 -02 55 31.4 o H21
2012-03-04 02:49:29 C 06 01 23.53 -02 55 28.0 o H21
2012-03-04 02:53:01 C 06 01 22.44 -02 55 24.2 o H21
2012-03-04 02:58:45 C 06 01 20.69 -02 55 17.6 o H21
2012-03-04 03:02:42 C 06 01 19.47 -02 55 13.2 o H21
2012-03-04 03:05:46 C 06 01 18.52 -02 55 09.8 o H21
2012-03-04 03:07:56 C 06 01 17.85 -02 55 07.4 o H21
2012-03-04 10:16:45 C 05 59 10.17 -02 46 01.9 u D90
2012-03-04 10:24:26 C 05 59 07.75 -02 45 53.2 u D90
2012-03-04 10:32:06 C 05 59 05.34 -02 45 44.4 u D90
2012-03-04 20:13:05 C 05 56 08.56 -02 35 28.0 u J51
2012-03-04 20:32:09 C 05 56 02.44 -02 35 06.0 u J51
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)