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
2006-02-24 04:29:01 C 04 23 41.74 +02 39 34.2 r G96
2009-01-06 13:00:15 C 05 03 35.02 -50 19 22.9 r E12
2009-01-06 13:19:06 C 05 03 32.72 -50 18 25.4 r E12
2009-01-06 13:37:58 C 05 03 30.38 -50 17 28.3 r E12
2009-01-06 13:56:44 C 05 03 27.97 -50 16 32.1 r E12
2009-01-14 10:39:42 C 04 46 38.14 -40 19 38.4 r 432
2009-01-14 11:31:04 C 04 46 34.39 -40 16 50.5 r 432
2009-01-15 10:10:17 C 04 45 09.20 -39 02 43.8 r 432
2009-01-15 10:16:35 C 04 45 08.86 -39 02 23.6 r 432
2011-11-05 08:23:56 C 10 56 56.57 -46 23 06.1 o 807
2011-11-05 08:34:13 C 10 56 55.09 -46 23 12.5 o 807
2011-11-05 08:44:27 C 10 56 53.67 -46 23 18.6 o 807
2011-12-08 08:31:37 C 09 34 09.62 -51 24 25.1 o 807
2011-12-08 08:35:46 C 09 34 09.10 -51 24 26.2 o 807
2011-12-08 08:39:55 C 09 34 08.59 -51 24 27.6 o 807
2011-12-08 08:43:40 C 09 34 08.13 -51 24 28.2 o 807
2012-01-06 03:36:38 C 07 31 27.14 -47 41 13.8 u I20
2012-01-06 03:49:55 C 07 31 24.00 -47 40 55.6 u I20
2012-02-07 00:42:45 C 05 28 52.19 -11 35 40.0 u I15
2012-02-07 00:48:23 C 05 28 51.69 -11 35 21.2 u I15
2012-02-07 00:55:09 C 05 28 51.20 -11 34 57.8 u I15
2012-02-11 01:43:52 C 05 22 38.10 -06 15 34.2 u 448
2012-02-11 01:52:45 C 05 22 37.55 -06 15 05.0 u 448
2012-02-11 02:00:15 C 05 22 37.09 -06 14 41.0 u 448
2012-02-11 17:57:49 C 05 21 45.57 -05 23 50.5 u 240
2012-02-11 18:00:26 C 05 21 45.34 -05 23 42.1 u 240
2012-02-11 18:03:03 C 05 21 45.16 -05 23 33.4 u 240
2012-02-11 18:10:53 C 05 21 44.78 -05 23 08.8 u 240
2012-02-11 18:14:32 C 05 21 44.56 -05 22 57.5 u 240
2012-02-14 19:32:13 C 05 18 21.06 -01 36 11.8 c A24
2012-02-14 19:34:22 C 05 18 20.94 -01 36 05.9 c A24
2012-02-14 19:57:33 C 05 18 19.91 -01 34 55.8 c A24
2012-02-14 20:21:16 C 05 18 18.84 -01 33 44.7 c A24
2012-02-14 20:44:26 C 05 18 17.81 -01 32 35.0 c A24
2012-02-14 20:46:36 C 05 18 17.67 -01 32 28.7 c A24
2012-02-15 05:36:36 C 05 17 57.578 -01 05 51.61 L F51
2012-02-15 05:52:22 C 05 17 56.873 -01 05 04.60 L F51
2012-02-15 06:06:46 C 05 17 56.207 -01 04 21.69 L F51
2012-02-15 06:19:25 C 05 17 55.633 -01 03 43.77 L F51
2012-02-15 20:15:09 C 05 17 24.18 -00 22 32.5 c A24
2012-02-15 20:17:19 C 05 17 24.05 -00 22 26.1 c A24
2012-02-16 19:14:05 C 05 16 36.69 +00 44 40.0 c A24
2012-02-16 19:38:41 C 05 16 35.73 +00 45 50.5 c A24
2012-02-16 20:01:42 C 05 16 34.90 +00 46 57.1 c A24
2012-02-16 20:24:10 C 05 16 34.11 +00 48 02.3 c A24
2012-02-16 20:26:19 C 05 16 34.03 +00 48 09.0 c A24
2012-02-17 19:17:17 C 05 15 51.80 +01 53 37.0 c A24
2012-02-17 19:19:26 C 05 15 51.82 +01 53 42.7 c A24
2012-02-17 19:41:53 C 05 15 51.05 +01 54 46.3 c A24
2012-02-17 20:04:53 C 05 15 50.25 +01 55 51.8 c A24
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)