Asteroids

311554 2006BQ147 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.474

Aphelion (Q)

1.166

Eccentricity (e)

0.422

Inclination (i)

24.4

deg

Orbit period (P)

271.2

Earth MOID

0.06998

U parameter

0.4

Next Earth close approach

Date

2041-02-13

Nominal distance (from Earth center)

0.17052

25508950

Maximum Brightness

16.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

18.7

mag

Diameter

300

Taxonomic type

Scomp

Rotation period (T)

9.150

Discovery Information

Discovery Date

2006-01-31

Observatory

Siding Spring Survey

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.819891

1-sigma variation

2.611E-9

Unit

Eccentricity (e)

Value

0.422320

1-sigma variation

1.312E-7

Unit

Inclination (i)

Value

24.3824

1-sigma variation

1.129E-5

Unit

Long. of Ascending Node (Ω)

Value

146.7673

1-sigma variation

3.601E-6

Unit

Arg. of Perihelion (ω)

Value

153.2184

1-sigma variation

7.787E-6

Unit

Mean Anomaly (M)

Value

35.42895

1-sigma variation

0.00003

Unit

Perihelion distance

Value

0.473635

1-sigma variation

Unit

Aphelion distance

Value

1.166148

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.092806

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.523629

1-sigma variation

Unit

MOID

Value

0.069978

1-sigma variation

Unit

Orbit Period

Value

271.1645

1-sigma variation

Unit

U parameter

Value

0.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.81809E-18	-2.58882E-16	-1.33142E-14	1.12181E-15	-1.20800E-16	-6.67098E-14
e	-2.58882E-16	1.72102E-14	5.95418E-13	-4.61502E-14	-3.87228E-13	3.96137E-12
i	-1.33142E-14	5.95418E-13	1.27527E-10	1.79389E-12	8.68910E-13	1.38564E-10
Ω	1.12181E-15	-4.61502E-14	1.79389E-12	1.29680E-11	-1.28189E-11	-9.83045E-12
ω	-1.20800E-16	-3.87228E-13	8.68910E-13	-1.28189E-11	6.06375E-11	-1.18476E-10
M	-6.67098E-14	3.96137E-12	1.38564E-10	-9.83045E-12	-1.18476E-10	1.00554E-9

Date of computation: 2025-09-10 00:30 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

9.150

Unit

Source

[3]

Quality

Value

Unit

Source

[3]

Amplitude

Value

0.31

Unit

mag

Source

[3]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Scomp

Unit

Source

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

18.741

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.36

Unit

Source

[5]

Diameter

Value

300

Unit

Source

[5]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[6]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	EARN	1.) Stephens, R.D (2015) MPB 42, 200-203. (ASTEROIDS OBSERVED FROM CS3: 2015 JANUARY - MARCH)(..,311554)
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	EARN	1.) Nugent, C.R. et al. (2016) Astron. J. 152_63 (12pp) (NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos) (207 NEOs)
[6]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

11708

Unit

Source

[1]

Unobserved

Value

620

Unit

Source

[1]

Normalized RMS of residuals

Value

0.479637

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1992-02-01.57543

Unit

Source

[2]

Last Observation

Value

2024-02-21.668372

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

574 (6)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2018-02-21

Unit

Source

[3]

Last Observation

Value

2018-02-21

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

1 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 311554 2006BQ147 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1969-02-18 18:05	< 1 min	0.1060451	0.1060423	0.0000009
EARTH	1972-02-22 15:46	< 1 s	0.0969072	0.0969044	0.0000009
EARTH	1992-02-15 00:52	< 1 min	0.1632761	0.1632746	0.0000005
EARTH	1995-02-21 17:28	< 1 min	0.0712892	0.0712888	0.0000001
EARTH	1998-02-21 15:37	< 1 s	0.1595352	0.1595336	0.0000005
EARTH	2018-02-18 15:37	< 1 s	0.1138115	0.1138113	0.0000001
EARTH	2021-02-22 02:33	< 1 s	0.0893710	0.0893709	0.0000000
EARTH	2041-02-13 17:36	< 1 min	0.1705168	0.1705158	0.0000003
EARTH	2044-02-21 21:37	< 1 min	0.0746441	0.0746436	0.0000002
EARTH	2047-02-22 06:45	< 1 s	0.1489101	0.1489082	0.0000006
EARTH	2067-02-18 10:49	< 1 min	0.1225071	0.1225045	0.0000009
EARTH	2070-02-22 12:27	< 1 s	0.0833743	0.0833721	0.0000007
EARTH	2090-02-13 08:07	< 1 min	0.1782065	0.1782028	0.0000012
EARTH	2093-02-21 01:03	< 1 min	0.0788551	0.0788530	0.0000007
EARTH	2096-02-22 20:32	< 1 min	0.1400982	0.1400929	0.0000018
EARTH	2116-02-19 06:40	< 1 min	0.1303470	0.1303421	0.0000017
EARTH	2119-02-23 21:13	< 1 min	0.0792157	0.0792125	0.0000010

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
230.40106343	49.86867730	0.07030355	MINIMUM
338.72004334	166.82189275	0.57895749	SADDLE
352.05918653	8.19573291	1.44961588	SADDLE
183.19215999	201.45080618	2.17256400	MAXIMUM

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MOID Plots

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