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
2023-08-01 10:07:49 C 20 17 25.570 +25 01 28.99 V T05
2023-08-01 10:23:59 C 20 17 25.829 +25 00 18.79 V T05
2023-08-01 10:38:27 C 20 17 26.059 +24 59 15.72 V T05
2023-08-03 21:15:31 B 20 18 57.42 +20 58 43.9 X M45
2023-08-03 21:27:37 B 20 18 57.62 +20 57 57.1 X M45
2023-08-03 21:41:03 B 20 18 57.83 +20 57 05.2 X M45
2023-08-05 00:34:06 B 20 19 35.01 +19 16 00.3 q Z28
2023-08-05 00:35:52 B 20 19 35.02 +19 15 53.8 q Z28
2023-08-05 00:37:25 B 20 19 35.05 +19 15 48.0 q Z28
2023-08-05 10:12:07 C 20 19 48.336 +18 41 13.09 V T05
2023-08-05 10:16:40 C 20 19 48.403 +18 40 56.78 V T05
2023-08-05 10:24:18 C 20 19 48.487 +18 40 29.35 V T05
2023-08-05 20:55:24 B 20 20 03.18 +18 02 49.5 X M45
2023-08-05 21:02:45 B 20 20 03.28 +18 02 23.8 X M45
2023-08-05 21:08:58 B 20 20 03.38 +18 02 01.9 X M45
2023-08-06 02:21:21 C 20 20 11.12 +17 43 53.2 V W46
2023-08-06 02:24:56 C 20 20 11.18 +17 43 40.6 V W46
2023-08-06 02:36:23 C 20 20 11.35 +17 43 00.9 V W46
2023-08-06 05:31:26 C 20 20 15.022 +17 32 50.14 V U52
2023-08-06 05:32:26 C 20 20 15.036 +17 32 46.32 V U52
2023-08-06 05:33:24 C 20 20 15.072 +17 32 42.47 V U52
2023-08-06 20:09:19 C 20 20 33.99 +16 42 53.1 X K83
2023-08-06 20:12:42 C 20 20 34.06 +16 42 41.8 X K83
2023-08-06 20:16:07 C 20 20 34.09 +16 42 29.9 X K83
2023-08-06 21:08:41 C 20 20 34.85 +16 39 34.8 V G17
2023-08-06 21:16:26 C 20 20 34.97 +16 39 08.8 V G17
2023-08-06 21:24:12 C 20 20 35.06 +16 38 42.7 V G17
2023-08-06 21:54:14 C 20 20 35.33 +16 37 40.5 q L81
2023-08-06 21:59:00 C 20 20 35.37 +16 37 24.0 q L81
2023-08-06 22:03:10 C 20 20 35.49 +16 37 09.7 q L81
2023-08-06 22:44:02 B 20 20 36.62 +16 34 18.5 q Z28
2023-08-06 22:45:53 B 20 20 36.64 +16 34 12.3 q Z28
2023-08-06 22:47:29 B 20 20 36.65 +16 34 06.9 q Z28
2023-08-07 21:37:11 B 20 21 05.28 +15 19 17.0 V L65
2023-08-07 21:41:51 B 20 21 05.35 +15 19 02.2 V L65
2023-08-07 21:47:02 B 20 21 05.44 +15 18 45.6 V L65
2023-08-07 22:17:26 B 20 21 06.27 +15 17 15.8 q Z28
2023-08-07 22:19:20 B 20 21 06.29 +15 17 09.7 q Z28
2023-08-07 22:21:00 B 20 21 06.32 +15 17 04.4 q Z28
2023-08-07 22:38:23 C 20 21 05.90 +15 16 41.8 q L81
2023-08-07 22:44:07 C 20 21 05.97 +15 16 24.2 q L81
2023-08-07 22:49:03 C 20 21 06.07 +15 16 07.9 q L81
2023-08-07 23:25:36 C 20 21 06.75 +15 13 35.4 X L63
2023-08-07 23:31:03 C 20 21 06.82 +15 13 18.0 X L63
2023-08-07 23:36:27 C 20 21 06.91 +15 13 01.0 X L63
2023-08-08 22:14:54 B 20 21 35.11 +14 02 20.3 V L65
2023-08-08 22:19:18 B 20 21 35.15 +14 02 06.8 V L65
2023-08-08 22:23:28 B 20 21 35.23 +14 01 54.1 V L65
2023-08-09 07:27:29 C 20 21 46.015 +13 34 34.82 V U52
2023-08-09 07:28:31 C 20 21 45.984 +13 34 31.84 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)