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
2012-07-16 08:52:52 C 00 21 09.79 +13 44 37.2 t H21
2012-08-24 09:44:00 C 23 39 38.66 +05 26 38.8 u H21
2012-08-24 09:51:19 C 23 39 38.14 +05 26 32.6 u H21
2012-08-25 08:05:06 C 23 38 04.73 +05 08 55.1 o 691
2012-08-25 08:30:42 C 23 38 02.80 +05 08 34.3 o 691
2012-08-26 13:01:10 c 23 36 01.792 +04 45 50.37 L F51
2012-08-26 13:21:21 c 23 36 00.306 +04 45 34.19 L F51
2012-08-26 13:41:36 c 23 35 58.823 +04 45 18.01 L F51
2012-09-07 21:46:15 C 23 15 33.99 +00 49 02.2 o B67
2012-09-07 21:56:43 C 23 15 33.29 +00 48 54.3 o B67
2012-09-07 22:06:36 C 23 15 32.63 +00 48 46.5 o B67
2012-09-08 23:01:31 C 23 13 56.15 +00 29 41.2 u 621
2012-09-08 23:19:14 C 23 13 54.97 +00 29 26.4 u 621
2012-09-08 23:36:59 C 23 13 53.87 +00 29 13.2 u 621
2012-09-15 08:27:24 C 23 04 42.13 -01 22 06.3 r G96
2012-09-15 08:34:03 C 23 04 41.73 -01 22 10.7 r G96
2012-09-15 08:40:45 C 23 04 41.34 -01 22 15.6 r G96
2012-09-15 08:47:26 C 23 04 40.98 -01 22 19.9 r G96
2012-09-17 04:44:55 C 23 02 17.55 -01 52 11.3 r G96
2012-09-17 04:58:11 C 23 02 16.80 -01 52 20.3 r G96
2012-09-17 05:11:37 C 23 02 16.11 -01 52 29.2 r G96
2012-09-17 05:25:08 C 23 02 15.32 -01 52 38.4 r G96
2022-12-16 05:44:11 C 07 08 54.41 +05 40 05.9 V 807
2022-12-16 05:54:50 C 07 08 53.89 +05 40 03.9 V 807
2022-12-16 06:05:29 C 07 08 53.35 +05 40 01.8 V 807
2023-05-14 03:24:07 C 07 17 15.990 +25 45 49.90 V V00
2023-05-14 03:31:16 C 07 17 16.703 +25 45 55.30 V V00
2023-05-14 03:38:25 C 07 17 17.434 +25 46 00.95 V V00
2023-05-14 03:45:34 C 07 17 18.136 +25 46 06.35 V V00
2023-07-07 06:28:26 C 12 37 58.574 +84 46 41.38 V T05
2023-07-07 06:33:27 C 12 38 19.826 +84 46 56.96 V T05
2023-07-07 06:44:45 C 12 39 11.866 +84 47 32.03 V T05
2023-07-07 07:01:42 C 12 40 29.340 +84 48 22.75 V T05
2023-07-07 07:54:32 C 12 44 35.366 +84 50 58.24 V T05
2023-07-07 07:58:47 C 12 44 55.315 +84 51 10.91 V T05
2023-07-07 08:07:33 C 12 45 36.958 +84 51 35.78 V T05
2023-07-07 08:24:04 C 12 46 55.498 +84 52 22.87 V T05
2023-07-09 09:25:09 C 17 04 27.497 +83 58 21.36 V T05
2023-07-09 09:33:01 C 17 04 54.778 +83 57 43.13 V T05
2023-07-09 09:38:17 C 17 05 13.498 +83 57 17.86 V T05
2023-07-09 11:34:46 C 17 11 55.327 +83 47 38.65 V T05
2023-07-11 22:12:53 C 19 00 05.51 +77 32 42.5 M32
2023-07-11 22:13:38 C 19 00 05.88 +77 32 35.8 M32
2023-07-11 22:17:25 C 19 00 09.24 +77 32 09.7 M32
2023-07-11 22:17:40 C 19 00 09.67 +77 32 07.7 M32
2023-07-11 22:29:21 C 19 00 19.51 +77 30 43.7 M32
2023-07-11 22:29:35 C 19 00 19.75 +77 30 41.4 M32
2023-07-11 22:34:02 C 19 00 23.59 +77 30 10.6 M32
2023-07-11 22:34:46 C 19 00 24.14 +77 30 05.1 M32
2023-07-11 22:43:25 C 19 00 31.35 +77 29 02.5 M32
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)