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
2023-08-16 20:40:45 C 20 25 19.82 +05 55 29.8 V G34
2023-08-16 20:42:35 B 20 25 19.64 +05 55 27.7 X M45
2023-08-16 20:43:54 C 20 25 19.88 +05 55 22.6 V G34
2023-08-16 20:46:05 C 20 25 20.00 +05 55 20.7 V G17
2023-08-16 20:47:04 C 20 25 19.90 +05 55 16.4 V G34
2023-08-16 20:56:15 C 20 25 20.14 +05 54 59.5 V G17
2023-08-16 21:06:26 C 20 25 20.29 +05 54 37.7 V G17
2023-08-17 22:40:02 B 20 25 50.964 +05 01 35.18 Z K35
2023-08-17 22:43:08 B 20 25 51.010 +05 01 28.99 Z K35
2023-08-17 22:46:17 B 20 25 51.062 +05 01 22.12 Z K35
2023-08-17 22:49:23 B 20 25 51.118 +05 01 16.10 Z K35
2023-08-19 19:38:18 B 20 26 47.60 +03 34 10.8 X M45
2023-08-19 19:44:07 B 20 26 47.70 +03 33 59.9 X M45
2023-08-19 19:53:48 B 20 26 47.85 +03 33 41.8 X M45
2023-08-19 21:14:57 C 20 26 49.672 +03 31 08.42 q M08
2023-08-19 21:36:44 C 20 26 49.928 +03 30 30.01 q M08
2023-08-20 21:05:00 B 20 27 20.148 +02 47 48.12 X K74
2023-08-20 21:09:03 B 20 27 20.222 +02 47 40.67 X K74
2023-08-20 21:12:35 B 20 27 20.30 +02 47 33.9 V L65
2023-08-20 21:13:05 B 20 27 20.302 +02 47 33.86 X K74
2023-08-20 21:17:47 B 20 27 20.41 +02 47 24.4 V L65
2023-08-20 21:22:59 B 20 27 20.47 +02 47 15.2 V L65
2023-08-20 21:23:03 B 20 27 20.54 +02 47 18.5 X K19
2023-08-20 21:28:15 B 20 27 20.66 +02 47 08.0 X K19
2023-08-20 21:33:27 B 20 27 20.77 +02 46 59.0 X K19
2023-08-20 21:59:43 B 20 27 21.108 +02 46 11.06 X K87
2023-08-20 22:02:53 B 20 27 21.178 +02 46 04.94 X K87
2023-08-21 20:47:53 B 20 27 51.367 +02 06 29.05 X K87
2023-08-21 20:52:05 B 20 27 51.430 +02 06 22.07 X K87
2023-08-21 20:56:18 B 20 27 51.506 +02 06 14.69 X K87
2023-08-22 20:17:44 B 20 28 22.81 +01 27 17.1 X M45
2023-08-22 20:30:16 B 20 28 23.03 +01 26 56.5 X M45
2023-08-22 20:41:28 B 20 28 23.23 +01 26 38.2 X M45
2023-08-23 23:05:34 C 20 28 59.170 +00 44 31.52 X G19
2023-08-23 23:10:56 C 20 28 59.275 +00 44 23.75 X G19
2023-08-23 23:16:28 C 20 28 59.424 +00 44 14.78 X G19
2023-08-24 03:11:03 C 20 29 05.290 +00 38 38.40 V W68
2023-08-24 03:15:41 C 20 29 05.335 +00 38 31.31 V W68
2023-08-24 03:29:26 C 20 29 05.597 +00 38 09.28 V W68
2023-08-24 04:19:41 C 20 29 06.509 +00 36 52.09 V W68
2023-08-24 04:51:31 C 20 29 08.071 +00 35 39.41 V U52
2023-08-24 04:54:40 C 20 29 07.954 +00 35 33.54 V U52
2023-08-26 19:11:40 B 20 30 38.10 -00 55 13.4 X M45
2023-08-26 19:20:37 B 20 30 38.28 -00 55 25.6 X M45
2023-08-26 19:29:33 B 20 30 38.47 -00 55 38.1 X M45
2023-09-02 10:27:26 C 20 34 53.016 -04 06 09.24 X F51
2023-09-02 10:42:20 C 20 34 53.391 -04 06 24.58 X F51
2023-09-02 10:57:10 C 20 34 53.761 -04 06 40.00 X F51
2023-09-02 11:12:08 C 20 34 54.143 -04 06 55.50 X F51
2023-09-02 21:21:32 B 20 35 12.408 -04 17 28.28 X K74
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)