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
2023-07-11 22:43:40 C 19 00 31.76 +77 29 00.6 M32
2023-07-14 20:52:30 B 19 38 29.144 +68 46 01.16 X B72
2023-07-14 20:57:32 B 19 38 30.669 +68 45 23.80 X B72
2023-07-14 21:02:21 B 19 38 32.117 +68 44 48.02 X B72
2023-07-14 22:20:21 C 19 38 53.41 +68 35 05.6 M32
2023-07-14 22:22:50 C 19 38 54.17 +68 34 46.8 M32
2023-07-14 22:27:16 C 19 38 55.31 +68 34 13.3 M32
2023-07-14 22:29:59 C 19 38 56.14 +68 33 53.0 M32
2023-07-14 22:32:28 C 19 38 56.79 +68 33 34.7 M32
2023-07-14 22:34:56 C 19 38 57.57 +68 33 15.8 M32
2023-07-14 22:37:24 C 19 38 58.23 +68 32 57.0 M32
2023-07-14 22:39:52 C 19 38 58.96 +68 32 37.8 M32
2023-07-14 22:42:20 C 19 38 59.63 +68 32 19.1 M32
2023-07-14 22:44:48 C 19 39 00.39 +68 32 00.8 M32
2023-07-15 10:57:32 C 19 42 35.522 +66 59 45.20 V T05
2023-07-15 11:02:46 C 19 42 36.756 +66 59 05.28 V T05
2023-07-15 11:10:39 C 19 42 38.616 +66 58 05.74 V T05
2023-07-15 11:26:53 C 19 42 42.516 +66 56 01.79 V T05
2023-07-15 22:42:14 C 19 45 37.91 +65 30 19.4 X L99
2023-07-15 22:48:26 C 19 45 39.31 +65 29 33.1 X L99
2023-07-15 22:54:23 C 19 45 40.54 +65 28 47.5 X L99
2023-07-16 00:01:55 C 19 45 57.06 +65 20 22.9 X M26
2023-07-16 00:05:11 C 19 45 57.77 +65 19 57.7 X M26
2023-07-16 00:08:14 C 19 45 58.40 +65 19 34.8 X M26
2023-07-16 22:40:03 C 19 50 50.59 +62 29 34.9 M32
2023-07-16 22:48:13 C 19 50 51.98 +62 28 33.8 M32
2023-07-16 22:58:37 C 19 50 53.54 +62 27 15.2 M32
2023-07-16 23:00:05 C 19 50 53.99 +62 27 05.0 M32
2023-07-16 23:00:20 C 19 50 54.07 +62 27 02.3 M32
2023-07-16 23:00:50 C 19 50 54.11 +62 26 58.7 M32
2023-07-16 23:01:49 C 19 50 54.26 +62 26 51.3 M32
2023-07-17 22:33:02 C 19 55 01.33 +59 31 22.8 V 130
2023-07-17 22:34:20 C 19 55 01.49 +59 31 13.1 V 130
2023-07-17 22:35:37 C 19 55 01.66 +59 31 03.7 V 130
2023-07-17 22:36:54 C 19 55 01.84 +59 30 54.0 V 130
2023-07-17 22:43:45 B 19 55 02.726 +59 29 56.26 V L65
2023-07-17 22:48:55 B 19 55 03.432 +59 29 18.28 V L65
2023-07-17 22:54:03 B 19 55 04.138 +59 28 40.30 V L65
2023-07-18 23:03:44 C 19 58 28.60 +56 31 17.9 X L99
2023-07-18 23:07:32 C 19 58 29.05 +56 30 50.3 X L99
2023-07-18 23:11:20 C 19 58 29.43 +56 30 22.7 X L99
2023-07-20 20:22:54 C 20 03 33.077 +51 08 48.77 V 160
2023-07-20 20:33:49 C 20 03 33.703 +51 07 34.18 V 160
2023-07-20 20:43:58 C 20 03 34.531 +51 06 22.82 V 160
2023-07-23 11:11:47 C 20 08 24.509 +44 10 03.65 V T05
2023-07-23 11:57:38 C 20 08 26.662 +44 05 09.02 V T05
2023-07-23 12:05:10 C 20 08 27.012 +44 04 20.68 V T05
2023-07-23 20:35:30 B 20 09 02.59 +43 10 04.8 Z M45
2023-07-23 20:43:07 B 20 09 02.96 +43 09 17.1 Z M45
2023-07-23 20:50:47 B 20 09 03.33 +43 08 29.2 Z M45
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)