311554 (2006 BQ147)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4223196603 ± 4.72e-08
Semi-major axis (a)0.8198912577 AU ± 2.13e-09
Inclination (i)24.38235392° ± 4.45e-06
Long. of Asc. Node (Ω)146.76726273° ± 1.62e-06
Arg. of Perihelion (ω)153.21839067° ± 3.35e-06
Mean Anomaly (M)35.42893655° ± 1.27e-05
Mean Motion (n)1.3276325533°/day ± 5.18e-09
Perihelion dist (q)0.47363506 AU ± 3.87e-08
Aphelion dist (Q)1.16614746 AU ± 3.88e-08
Orbital Period0.74239388 yr ± 2.89e-09
NGA Modelr2
A2-2.97584279e-14 ± 3.03e-15 AU/d²
Physical Parameters
H (abs. magnitude)18.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.281″
Uncertainty0
Orbit TypeAten
MOID0.070528 AU
Observations Used512
Radar Obs Used1
Gaia Obs Used20
Oppositions8
Arc Total1992-2015
First Observation Used1992-02-01
Last Observation Used2024-02-21
Observations (574)
Date Type RA Dec Mag Band Observatory
2021-01-15 13:16:07 C 11 56 40.89 -20 54 58.0 V T05
2021-01-15 13:22:42 C 11 56 41.41 -20 54 56.6 V T05
2021-01-15 13:24:01 C 11 56 41.54 -20 54 55.9 V T05
2021-01-15 13:31:56 C 11 56 42.08 -20 54 52.6 V T05
2021-01-15 13:43:18 C 11 56 42.90 -20 54 49.9 V T05
2021-01-16 09:56:51 C 11 58 18.34 -20 47 14.7 V 703
2021-01-16 10:04:48 C 11 58 18.90 -20 47 11.8 V 703
2021-01-16 10:12:45 C 11 58 19.56 -20 47 08.4 V 703
2021-01-16 10:20:42 C 11 58 20.08 -20 47 05.4 V 703
2021-01-17 13:40:04 C 12 00 30.79 -20 35 28.5 V T08
2021-01-17 13:42:43 C 12 00 30.97 -20 35 26.8 V T08
2021-01-17 13:46:42 C 12 00 31.28 -20 35 25.4 V T08
2021-01-17 13:54:00 C 12 00 31.80 -20 35 21.7 V T08
2021-01-29 13:18:15 C 12 27 30.22 -16 26 27.9 V T08
2021-01-29 13:22:54 C 12 27 30.73 -16 26 21.3 V T08
2021-01-29 13:26:53 C 12 27 31.14 -16 26 15.4 V T08
2021-01-29 13:34:12 C 12 27 31.87 -16 26 05.0 V T08
2021-01-30 11:32:04 C 12 30 05.99 -15 52 42.5 V T08
2021-01-30 11:34:43 C 12 30 06.32 -15 52 37.7 V T08
2021-01-30 11:39:21 C 12 30 06.78 -15 52 30.7 V T08
2021-01-30 11:59:03 C 12 30 08.99 -15 52 00.3 V T08
2021-02-06 09:59:05 C 12 53 53.85 -09 34 02.5 V 703
2021-02-06 10:06:42 C 12 53 55.06 -09 33 38.3 V 703
2021-02-06 10:14:18 C 12 53 56.26 -09 33 13.9 V 703
2021-02-06 10:21:56 C 12 53 57.56 -09 32 50.4 V 703
2021-02-06 13:18:32 C 12 54 28.874 -09 23 16.04 U F52
2021-02-06 13:36:10 C 12 54 31.759 -09 22 19.24 U F52
2021-02-06 13:53:47 C 12 54 34.639 -09 21 22.48 U F52
2021-02-07 09:53:19 C 12 58 14.56 -08 13 54.8 V 703
2021-02-07 10:01:02 C 12 58 15.91 -08 13 27.5 V 703
2021-02-07 10:08:45 C 12 58 17.26 -08 13 00.3 V 703
2021-02-07 10:16:28 C 12 58 18.62 -08 12 32.9 V 703
2021-02-07 13:28:24 C 12 58 54.942 -08 00 59.75 U F52
2021-02-07 13:47:02 C 12 58 58.217 -07 59 53.00 U F52
2021-02-07 14:05:37 C 12 59 01.494 -07 58 46.09 U F52
2021-02-07 14:22:29 C 12 59 04.44 -07 57 44.2 V T08
2021-02-07 14:27:50 C 12 59 05.37 -07 57 24.9 V T08
2021-02-07 15:13:30 C 12 59 13.44 -07 54 39.8 V T08
2021-02-07 15:22:08 C 12 59 14.99 -07 54 08.4 V T08
2021-02-08 10:36:15 C 13 03 04.40 -06 41 30.2 V G96
2021-02-08 10:43:39 C 13 03 05.80 -06 41 01.0 V G96
2021-02-08 10:58:22 C 13 03 08.60 -06 40 02.7 V G96
2021-02-11 11:02:16 C 13 19 50.54 -01 01 26.4 V 703
2021-02-11 11:09:46 C 13 19 52.40 -01 00 44.7 V 703
2021-02-11 11:17:16 C 13 19 54.26 -01 00 03.3 V 703
2021-02-11 11:24:46 C 13 19 56.12 -00 59 21.7 V 703
2021-02-11 11:48:19 C 13 20 04.91 -00 56 58.2 V T08
2021-02-11 12:08:22 C 13 20 09.94 -00 55 06.8 V T08
2021-02-11 12:44:00 C 13 20 18.83 -00 51 48.6 V T08
2021-02-11 12:48:11 C 13 20 19.88 -00 51 25.1 V T08
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-02-21 01:40:00 -40976.9979 0.1 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)