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
2012-01-25 00:54:25 C 08 28 45.20 -06 06 11.3 o 807
2012-01-25 01:00:12 C 08 28 44.76 -06 06 13.1 o 807
2012-01-25 01:06:01 C 08 28 44.33 -06 06 15.3 o 807
2012-01-25 01:11:48 C 08 28 43.91 -06 06 17.2 o 807
2012-01-25 05:28:39 C 08 28 24.49 -06 07 42.4 u I20
2012-01-25 05:48:55 C 08 28 22.92 -06 07 48.4 u I20
2012-01-25 06:09:11 C 08 28 21.40 -06 07 56.1 u I20
2012-01-25 06:28:43 C 08 28 20.36 -06 08 25.2 u H21
2012-01-25 06:33:43 C 08 28 19.98 -06 08 26.9 u H21
2012-01-25 06:38:15 C 08 28 19.65 -06 08 28.0 u H21
2012-01-26 03:53:27 C 08 26 47.87 -06 15 19.6 o G48
2012-01-26 03:56:01 C 08 26 47.78 -06 15 21.7 o G48
2012-01-26 03:58:33 C 08 26 47.43 -06 15 20.6 o G48
2012-01-26 04:01:04 C 08 26 47.36 -06 15 21.0 o G48
2012-01-26 04:03:35 C 08 26 47.01 -06 15 22.0 o G48
2012-01-26 04:06:10 C 08 26 46.82 -06 15 22.8 o G48
2012-01-26 04:54:10 C 08 26 42.36 -06 15 17.1 o I47
2012-01-26 05:00:39 C 08 26 41.87 -06 15 19.1 o I47
2012-01-27 05:50:19 C 08 24 49.05 -06 23 22.1 u 448
2012-01-27 06:02:22 C 08 24 48.04 -06 23 25.5 u 448
2012-01-27 06:14:17 C 08 24 47.08 -06 23 28.9 u 448
2012-01-28 00:40:07 C 08 23 20.25 -06 28 34.0 o 807
2012-01-28 00:46:02 C 08 23 19.76 -06 28 35.7 o 807
2012-01-28 00:52:15 C 08 23 19.24 -06 28 37.5 o 807
2012-01-28 00:59:20 C 08 23 18.66 -06 28 39.8 o 807
2012-01-28 01:07:02 C 08 23 18.01 -06 28 42.0 o 807
2012-01-28 01:12:43 C 08 23 17.54 -06 28 43.8 o 807
2012-01-28 14:18:42 C 08 22 12.43 -06 32 27.2 v E16
2012-01-28 14:25:28 C 08 22 11.83 -06 32 29.4 v E16
2012-01-28 14:33:01 C 08 22 11.18 -06 32 31.1 v E16
2012-01-29 06:10:11 C 08 20 52.53 -06 36 48.5 d 844
2012-01-29 06:31:05 C 08 20 50.63 -06 36 52.8 d 844
2012-01-29 06:35:07 C 08 20 50.79 -06 37 20.6 u H21
2012-01-29 06:37:43 C 08 20 50.54 -06 37 21.2 u H21
2012-01-29 06:46:25 C 08 20 49.75 -06 37 23.5 u H21
2012-01-29 06:52:21 C 08 20 49.23 -06 37 25.3 u H21
2012-01-29 08:06:59 C 08 20 42.89 -06 37 43.0 u 448
2012-01-29 08:12:12 C 08 20 42.41 -06 37 44.6 u 448
2012-01-29 08:16:22 C 08 20 42.08 -06 37 45.1 u 448
2012-01-29 08:34:11 C 08 20 40.45 -06 37 50.0 u 448
2012-01-30 02:49:13 C 08 19 06.97 -06 42 39.1 u I15
2012-01-30 02:58:36 C 08 19 06.09 -06 42 42.0 u I15
2012-01-30 03:08:00 C 08 19 05.21 -06 42 44.2 u I15
2012-01-30 07:26:21 C 08 18 41.61 -06 43 47.2 u H45
2012-01-30 07:28:33 C 08 18 41.49 -06 43 48.0 u H45
2012-01-30 07:29:40 C 08 18 41.34 -06 43 48.2 u H45
2012-01-30 07:30:45 C 08 18 41.26 -06 43 48.7 u H45
2012-01-30 07:32:26 C 08 18 41.07 -06 43 49.0 u H45
2012-01-30 07:34:07 C 08 18 40.92 -06 43 49.5 u H45
2012-01-30 07:35:25 C 08 18 40.78 -06 43 49.7 u H45
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)