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
2024-02-09 02:35:14 C 15 12 34.193 -04 37 23.16 V M22
2024-02-09 02:37:50 C 15 12 35.064 -04 37 17.26 V M22
2024-02-09 03:00:53 C 15 12 43.044 -04 36 24.01 V M22
2024-02-09 03:09:26 C 15 12 45.958 -04 36 04.46 V M22
2024-02-10 14:42:20 C 15 25 36.403 -03 11 14.10 V T08
2024-02-10 14:46:30 C 15 25 37.922 -03 11 03.52 V T08
2024-02-10 14:54:47 C 15 25 40.944 -03 10 42.89 V T08
2024-02-10 15:16:11 C 15 25 48.672 -03 09 49.79 V T08
2024-02-11 07:48:03 C 15 32 01.848 -02 27 30.67 V W68
2024-02-11 07:53:02 C 15 32 03.734 -02 27 17.42 V W68
2024-02-11 08:25:13 C 15 32 15.725 -02 25 54.98 V W68
2024-02-11 08:33:42 C 15 32 18.893 -02 25 33.02 V W68
2024-02-12 14:06:55 C 15 43 47.498 -01 07 59.02 V T05
2024-02-12 14:34:49 C 15 43 58.274 -01 06 44.17 V T05
2024-02-12 14:44:11 C 15 44 01.913 -01 06 18.65 V T05
2024-02-12 14:48:44 C 15 44 03.725 -01 06 06.41 V T05
2024-02-15 08:25:05 C 16 11 10.159 +02 00 25.34 V W68
2024-02-15 08:29:40 C 16 11 12.070 +02 00 39.17 V W68
2024-02-15 08:37:35 C 16 11 15.437 +02 01 02.68 V W68
2024-02-15 09:10:24 C 16 11 29.287 +02 02 39.30 V W68
2024-02-21 15:26:31 C 17 20 07.114 +09 35 14.96 V T05
2024-02-21 15:48:59 C 17 20 17.599 +09 36 21.24 V T05
2024-02-21 15:51:37 C 17 20 18.830 +09 36 29.63 V T05
2024-02-21 16:02:27 C 17 20 23.858 +09 37 01.74 V T05
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)