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
2023-07-23 22:37:00 C 20 09 08.54 +42 57 20.8 M32
2023-07-23 22:37:54 C 20 09 08.64 +42 57 15.6 M32
2023-07-23 22:38:47 C 20 09 08.63 +42 57 09.7 M32
2023-07-23 22:39:40 C 20 09 08.67 +42 57 04.0 M32
2023-07-23 22:40:35 C 20 09 08.76 +42 56 58.4 M32
2023-07-23 23:37:02 B 20 09 12.37 +42 51 08.2 Z C95
2023-07-23 23:41:55 B 20 09 12.60 +42 50 37.6 Z C95
2023-07-23 23:46:48 B 20 09 12.84 +42 50 07.2 Z C95
2023-07-24 20:20:50 C 20 10 26.76 +40 43 11.3 X C95
2023-07-24 20:26:22 C 20 10 27.02 +40 42 37.4 X C95
2023-07-24 22:42:55 B 20 10 31.83 +40 28 57.1 Z M45
2023-07-24 22:51:40 B 20 10 32.19 +40 28 04.1 Z M45
2023-07-24 23:00:05 B 20 10 32.54 +40 27 13.2 Z M45
2023-07-25 22:46:51 B 20 11 46.74 +38 06 19.0 V L65
2023-07-25 22:54:08 B 20 11 47.02 +38 05 37.0 V L65
2023-07-25 23:01:25 B 20 11 47.30 +38 04 54.6 V L65
2023-07-27 20:29:52 C 20 13 49.04 +33 51 23.3 q L47
2023-07-27 20:38:17 C 20 13 49.33 +33 50 39.3 q L47
2023-07-27 20:54:21 C 20 13 49.76 +33 49 13.6 V M26
2023-07-27 20:58:40 C 20 13 49.89 +33 48 50.5 V M26
2023-07-27 21:02:59 C 20 13 50.02 +33 48 27.6 V M26
2023-07-28 21:33:01 B 20 14 45.07 +31 40 22.2 Z M45
2023-07-28 21:43:34 B 20 14 45.34 +31 39 28.5 Z M45
2023-07-28 21:52:15 B 20 14 45.57 +31 38 44.1 Z M45
2023-07-28 23:33:56 B 20 14 49.40 +31 30 11.6 q Z28
2023-07-28 23:35:25 B 20 14 49.44 +31 30 04.0 q Z28
2023-07-28 23:36:44 B 20 14 49.47 +31 29 57.3 q Z28
2023-07-29 20:34:09 B 20 15 33.89 +29 45 13.7 Z M45
2023-07-29 20:44:00 B 20 15 34.12 +29 44 25.8 Z M45
2023-07-29 20:53:51 B 20 15 34.35 +29 43 38.0 Z M45
2023-07-29 21:06:21 C 20 15 35.278 +29 42 36.68 V 160
2023-07-29 21:24:08 C 20 15 35.710 +29 41 11.18 V 160
2023-07-29 21:49:18 C 20 15 36.307 +29 39 08.82 V 160
2023-07-30 01:36:06 B 20 15 41.96 +29 20 48.6 q Z28
2023-07-30 01:37:35 B 20 15 41.99 +29 20 41.4 q Z28
2023-07-30 01:38:52 B 20 15 42.02 +29 20 35.1 q Z28
2023-07-30 05:04:18 C 20 15 51.552 +29 03 57.31 V U52
2023-07-30 05:05:22 C 20 15 51.602 +29 03 52.09 V U52
2023-07-30 11:11:23 C 20 16 00.960 +28 34 59.48 V T05
2023-07-30 11:16:34 C 20 16 01.056 +28 34 34.79 V T05
2023-07-30 11:24:51 C 20 16 01.210 +28 33 55.22 V T05
2023-07-30 12:11:57 C 20 16 02.146 +28 30 09.97 V T05
2023-07-30 23:42:38 B 20 16 25.42 +27 35 55.7 q Z28
2023-07-30 23:44:13 B 20 16 25.45 +27 35 48.4 q Z28
2023-07-30 23:45:35 B 20 16 25.47 +27 35 42.0 q Z28
2023-07-31 04:28:19 C 20 16 34.55 +27 13 50.9 q W24
2023-07-31 04:48:31 C 20 16 34.99 +27 12 17.5 q W24
2023-07-31 05:07:16 C 20 16 35.34 +27 10 52.1 q W24
2023-07-31 05:38:43 C 20 16 37.464 +27 08 25.76 V U52
2023-07-31 05:39:50 C 20 16 37.488 +27 08 20.62 V U52
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)