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
2023-08-09 07:29:34 C 20 21 46.051 +13 34 28.49 V U52
2023-08-09 21:06:08 B 20 22 02.801 +12 54 09.97 X K87
2023-08-09 21:10:21 B 20 22 02.834 +12 53 57.66 X K87
2023-08-09 21:14:34 B 20 22 02.906 +12 53 45.67 X K87
2023-08-09 21:26:49 B 20 22 03.09 +12 53 08.3 V L65
2023-08-09 21:32:00 B 20 22 03.17 +12 52 53.3 V L65
2023-08-09 21:37:10 B 20 22 03.24 +12 52 38.3 V L65
2023-08-09 23:30:34 C 20 22 05.134 +12 47 06.91 q M08
2023-08-09 23:33:57 C 20 22 05.004 +12 46 57.84 q M08
2023-08-10 05:59:32 C 20 22 13.370 +12 28 30.43 V U52
2023-08-10 06:02:39 C 20 22 13.399 +12 28 21.40 V U52
2023-08-10 21:05:04 C 20 22 31.10 +11 45 49.0 X K83
2023-08-10 21:09:10 C 20 22 31.16 +11 45 37.5 X K83
2023-08-10 21:37:23 C 20 22 31.57 +11 44 15.4 V G33
2023-08-10 21:42:32 C 20 22 31.66 +11 44 01.3 V G33
2023-08-10 23:13:32 C 20 22 32.455 +11 40 28.96 V M22
2023-08-10 23:18:07 C 20 22 32.508 +11 40 15.82 V M22
2023-08-10 23:29:14 C 20 22 32.669 +11 39 45.00 V M22
2023-08-11 00:18:27 C 20 22 33.305 +11 37 27.73 V M22
2023-08-11 07:29:32 C 20 22 42.737 +11 17 08.56 V U52
2023-08-11 07:32:39 C 20 22 42.739 +11 16 57.90 V U52
2023-08-11 20:06:42 B 20 22 58.291 +10 42 58.86 X K87
2023-08-11 20:15:12 B 20 22 58.447 +10 42 35.93 X K87
2023-08-12 21:08:15 C 20 23 27.12 +09 37 52.4 q L47
2023-08-12 21:14:23 C 20 23 27.21 +09 37 38.5 q L47
2023-08-12 21:17:44 B 20 23 27.24 +09 37 24.1 V L65
2023-08-12 21:25:30 B 20 23 27.39 +09 37 04.2 V L65
2023-08-12 22:17:46 C 20 23 27.787 +09 35 30.95 V M22
2023-08-12 22:25:37 C 20 23 27.876 +09 35 10.93 V M22
2023-08-12 22:42:56 C 20 23 28.090 +09 34 26.69 V M22
2023-08-13 19:47:17 C 20 23 53.95 +08 41 28.2 q L47
2023-08-13 19:56:34 C 20 23 54.09 +08 41 07.5 q L47
2023-08-13 20:41:51 B 20 23 54.69 +08 39 12.9 V L65
2023-08-13 20:46:15 B 20 23 54.77 +08 39 02.4 V L65
2023-08-13 20:50:24 B 20 23 54.85 +08 38 52.4 V L65
2023-08-13 22:30:41 C 20 23 55.961 +08 35 26.56 V M22
2023-08-13 22:35:15 C 20 23 56.028 +08 35 15.83 V M22
2023-08-13 22:44:30 C 20 23 56.148 +08 34 53.33 V M22
2023-08-13 23:35:26 C 20 23 56.789 +08 32 49.27 V M22
2023-08-14 05:58:31 C 20 24 05.489 +08 16 55.34 V U52
2023-08-14 06:01:40 C 20 24 05.522 +08 16 47.93 V U52
2023-08-15 21:34:49 B 20 24 52.022 +06 45 39.74 Z K35
2023-08-15 21:37:56 B 20 24 52.080 +06 45 32.83 Z K35
2023-08-15 21:41:04 B 20 24 52.111 +06 45 25.56 Z K35
2023-08-15 21:44:10 B 20 24 52.147 +06 45 19.19 Z K35
2023-08-16 20:30:40 B 20 25 19.44 +05 55 53.0 X M45
2023-08-16 20:34:26 C 20 25 19.72 +05 55 42.8 V G34
2023-08-16 20:35:55 C 20 25 19.83 +05 55 42.1 V G17
2023-08-16 20:36:28 B 20 25 19.52 +05 55 40.7 X M45
2023-08-16 20:37:36 C 20 25 19.78 +05 55 36.3 V G34
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)