Asteroids

340666 2006RO36 help

Last update: 2025-09-30 14:37 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.697

Aphelion (Q)

1.116

Eccentricity (e)

0.231

Inclination (i)

23.9

deg

Orbit period (P)

315.2

Earth MOID

0.11273

U parameter

0.0

Next Earth close approach

Date

2032-12-21

Nominal distance (from Earth center)

0.16055

24018421

Maximum Brightness

20.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.8

mag

Diameter

700 - 1600*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2006-09-15

Observatory

Lincoln Laboratory ETS, New Mexico

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

0.906358

1-sigma variation

8.600E-10

Unit

Eccentricity (e)

Value

0.231265

1-sigma variation

5.649E-8

Unit

Inclination (i)

Value

23.8532

1-sigma variation

7.382E-6

Unit

Long. of Ascending Node (Ω)

Value

270.9199

1-sigma variation

2.244E-5

Unit

Arg. of Perihelion (ω)

Value

261.1771

1-sigma variation

2.482E-5

Unit

Mean Anomaly (M)

Value

222.92225

1-sigma variation

0.00002

Unit

Perihelion distance

Value

0.696749

1-sigma variation

Unit

Aphelion distance

Value

1.115968

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.128408

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.155348

1-sigma variation

Unit

MOID

Value

0.112729

1-sigma variation

Unit

Orbit Period

Value

315.1725

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.39553E-19	-6.24512E-18	-8.36431E-16	-1.12087E-14	1.01734E-14	-4.50731E-15
e	-6.24512E-18	3.19126E-15	8.89676E-14	-3.01925E-13	5.00492E-13	-6.36159E-13
i	-8.36431E-16	8.89676E-14	5.44940E-11	6.56137E-11	-8.11146E-11	1.25872E-11
Ω	-1.12087E-14	-3.01925E-13	6.56137E-11	5.03595E-10	-4.63198E-10	9.33720E-11
ω	1.01734E-14	5.00492E-13	-8.11146E-11	-4.63198E-10	6.16008E-10	-3.49608E-10
M	-4.50731E-15	-6.36159E-13	1.25872E-11	9.33720E-11	-3.49608E-10	4.45215E-10

Date of computation: 2025-09-30 14:37 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

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

17.808

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

700 - 1600*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.684

0.404

0.346

Unit

B-V

V-R

R-I

Source

[3]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude
[3]	EARN	1.) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)
[4]	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

6955

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.439748

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2006-09-15.10907

Unit

Source

[2]

Last Observation

Value

2025-09-30.279589

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

827 (3)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2013-06-17

Unit

Source

[3]

Last Observation

Value

2013-06-17

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

2 (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 340666 2006RO36 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	1950-06-25 19:51	< 1 min	0.1247614	0.1247607	0.0000002
EARTH	1963-12-10 04:38	< 1 min	0.1479920	0.1479914	0.0000002
EARTH	1969-06-17 14:41	< 1 min	0.1872064	0.1872051	0.0000004
EARTH	1975-07-06 10:17	< 1 min	0.1420171	0.1420162	0.0000003
EARTH	1982-12-04 04:40	< 1 min	0.1885296	0.1885285	0.0000004
EARTH	1988-12-23 21:29	< 1 min	0.1763510	0.1763501	0.0000003
EARTH	1994-06-30 06:44	< 1 min	0.1111619	0.1111616	0.0000001
EARTH	2007-12-12 16:23	< 1 min	0.1405805	0.1405802	0.0000001
EARTH	2013-06-18 07:03	< 1 min	0.1822767	0.1822767	0.0000000
EARTH	2019-07-05 14:03	< 1 min	0.1336263	0.1336260	0.0000001
EARTH	2032-12-21 05:16	< 1 min	0.1605532	0.1605529	0.0000001
EARTH	2038-06-29 01:35	< 1 min	0.1125290	0.1125288	0.0000001
EARTH	2051-12-15 18:51	< 1 min	0.1390638	0.1390636	0.0000001
EARTH	2057-06-23 07:14	< 1 min	0.1420381	0.1420375	0.0000002
EARTH	2063-07-10 04:28	< 1 min	0.1815367	0.1815358	0.0000003
EARTH	2070-12-06 17:29	< 1 min	0.1689627	0.1689619	0.0000003
EARTH	2076-12-24 20:51	< 1 min	0.1811781	0.1811773	0.0000003
EARTH	2082-06-29 23:53	< 1 min	0.1121356	0.1121354	0.0000001
EARTH	2095-12-13 10:22	< 1 min	0.1390739	0.1390734	0.0000002
EARTH	2101-06-21 15:42	< 1 min	0.1640572	0.1640550	0.0000007
EARTH	2107-07-09 16:16	< 1 min	0.1625461	0.1625435	0.0000009
EARTH	2114-12-07 21:08	< 1 min	0.1684159	0.1684138	0.0000007
EARTH	2120-12-28 19:56	< 1 min	0.1986562	0.1986539	0.0000008

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
93.56767920	176.87479933	0.11272856	MINIMUM
282.35474375	340.95008846	0.13859612	MINIMUM
188.49843124	258.26881748	0.45029150	SADDLE
7.67602856	79.05770775	0.45657195	SADDLE
6.69754225	257.70252413	1.66680499	SADDLE
180.86418694	71.63756392	2.06662306	MAXIMUM

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MOID Plots

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