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
2012-01-30 07:38:10 C 08 18 40.55 -06 43 50.1 u H45
2012-01-31 06:53:06 C 08 16 35.16 -06 49 30.3 o H21
2012-01-31 06:57:06 C 08 16 34.75 -06 49 31.2 o H21
2012-01-31 07:01:25 C 08 16 34.35 -06 49 32.3 o H21
2012-01-31 07:05:48 C 08 16 33.94 -06 49 33.3 o H21
2012-01-31 07:11:04 C 08 16 33.41 -06 49 34.6 o H21
2012-02-03 06:28:50 C 08 09 38.50 -07 04 06.0 u 448
2012-02-03 06:35:02 C 08 09 37.83 -07 04 06.9 u 448
2012-02-03 06:42:51 C 08 09 37.00 -07 04 08.5 u 448
2012-02-03 06:51:11 C 08 09 36.10 -07 04 09.9 u 448
2012-02-10 00:59:36 C 07 50 49.73 -07 19 06.2 u I17
2012-02-10 01:26:48 C 07 50 46.05 -07 19 06.3 u I17
2012-02-10 01:59:33 C 07 50 41.66 -07 19 06.6 u I17
2012-02-10 10:54:14 C 07 49 31.72 -07 18 30.3 k E10
2012-02-10 10:55:51 C 07 49 31.50 -07 18 30.3 k E10
2012-02-10 10:57:20 C 07 49 31.29 -07 18 30.3 k E10
2012-02-12 03:32:42 C 07 44 00.33 -07 16 59.4 u I19
2012-02-12 03:39:52 C 07 43 59.28 -07 16 59.0 u I19
2012-02-12 03:47:01 C 07 43 58.23 -07 16 58.3 u I19
2012-02-12 05:27:44 C 07 43 44.17 -07 17 25.8 t H21
2012-02-12 05:33:17 C 07 43 43.39 -07 17 25.6 t H21
2012-02-12 05:39:18 C 07 43 42.50 -07 17 25.3 t H21
2012-02-14 01:03:14 C 07 37 29.07 -07 13 13.6 u I17
2012-02-14 01:38:03 C 07 37 23.79 -07 13 10.1 u I17
2012-02-14 02:14:13 C 07 37 18.10 -07 13 04.8 u I17
2012-02-14 21:26:49 C 07 34 24.30 -07 10 20.6 c A24
2012-02-14 21:45:11 C 07 34 21.37 -07 10 17.6 c A24
2012-02-14 21:57:35 C 07 34 19.40 -07 10 15.7 c A24
2012-02-14 22:29:26 C 07 34 14.34 -07 10 10.4 c A24
2012-02-14 23:00:11 C 07 34 09.45 -07 10 05.5 c A24
2012-02-15 01:01:34 C 07 33 52.06 -07 09 07.6 u 822
2012-02-15 01:10:12 C 07 33 50.74 -07 09 06.2 u 822
2012-02-15 01:19:43 C 07 33 49.17 -07 09 04.9 u 822
2012-02-17 03:57:02 C 07 25 46.70 -06 59 21.5 t H21
2012-02-17 04:03:00 C 07 25 45.65 -06 59 19.8 t H21
2012-02-17 04:08:58 C 07 25 44.65 -06 59 18.3 t H21
2012-02-17 21:03:48 C 07 22 56.27 -06 54 56.7 c A24
2012-02-17 21:27:50 C 07 22 52.08 -06 54 50.0 c A24
2012-02-17 21:59:04 C 07 22 46.62 -06 54 41.8 c A24
2012-02-17 22:16:27 C 07 22 43.59 -06 54 37.1 c A24
2012-02-17 22:18:33 C 07 22 43.21 -06 54 36.7 c A24
2012-02-18 04:37:51 C 07 21 39.09 -06 52 47.4 t H21
2012-02-18 04:41:54 C 07 21 38.35 -06 52 46.1 t H21
2012-02-18 04:45:57 C 07 21 37.63 -06 52 45.2 t H21
2012-02-18 04:49:40 C 07 21 36.97 -06 52 44.0 t H21
2012-02-18 04:53:23 C 07 21 36.32 -06 52 43.0 t H21
2012-02-18 04:58:06 C 07 21 35.49 -06 52 41.8 t H21
2012-02-18 05:43:16 C 07 21 27.96 -06 52 25.9 17.9 c 704
2012-02-18 06:00:35 C 07 21 24.88 -06 52 20.8 18.2 c 704
2012-02-18 06:19:01 C 07 21 21.60 -06 52 15.4 18.2 c 704
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)