Asteroids

2010TU149 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.387

Aphelion (Q)

4.038

Eccentricity (e)

0.825

Inclination (i)

2.0

deg

Orbit period (P)

1202.1

Earth MOID

0.01026

U parameter

0.2

Next Earth close approach

Date

2027-06-10

Nominal distance (from Earth center)

0.08093

12106884

Maximum Brightness

18.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.7

mag

Diameter

603

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2010-10-13

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

2.212572

1-sigma variation

2.497E-8

Unit

Eccentricity (e)

Value

0.824923

1-sigma variation

3.497E-8

Unit

Inclination (i)

Value

1.9568

1-sigma variation

1.114E-5

Unit

Long. of Ascending Node (Ω)

Value

58.8653

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

92.6712

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

203.79771

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.387370

1-sigma variation

Unit

Aphelion distance

Value

4.037774

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.251839

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.333525

1-sigma variation

Unit

MOID

Value

0.010260

1-sigma variation

Unit

Orbit Period

Value

1202.1106

1-sigma variation

Unit

U parameter

Value

0.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.23732E-16	2.51031E-16	-1.76055E-13	3.20016E-12	-3.14354E-12	-2.46335E-13
e	2.51031E-16	1.22298E-15	-5.96158E-15	3.05068E-13	-1.58450E-14	-1.43332E-13
i	-1.76055E-13	-5.96158E-15	1.24142E-10	-1.69423E-9	1.69359E-9	1.35099E-11
Ω	3.20016E-12	3.05068E-13	-1.69423E-9	2.96383E-8	-2.96117E-8	-3.96233E-10
ω	-3.14354E-12	-1.58450E-14	1.69359E-9	-2.96117E-8	2.96581E-8	3.60916E-10
M	-2.46335E-13	-1.43332E-13	1.35099E-11	-3.96233E-10	3.60916E-10	1.55399E-10

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

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

20.689

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.025

Unit

Source

[2]

Diameter

Value

603

Unit

Source

[2]

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

[3]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	EARN	1.) Mainzer, A. et al. (2014) Astrophys. J. 784, 110. (The Population of Tiny Near-Earth Objects Observed by NEOWISE) 2.) Mainzer, A.; Bauer, J.; Grav, T.; Masiero, J.; et al. (2014) Astrophys. J. 784, A110.
[3]	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

4778

Unit

Source

[1]

Unobserved

Value

686

Unit

Source

[1]

Normalized RMS of residuals

Value

0.407012

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2010-10-10.44742

Unit

Source

[2]

Last Observation

Value

2023-11-09.290838

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

122 (0)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2010-10-29

Unit

Source

[3]

Last Observation

Value

2010-10-29

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

2 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

3 (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 2010TU149 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	1951-11-02 21:44	< 1 min	0.0221922	0.0221888	0.0000011
EARTH	1968-06-05 00:25	< 1 min	0.1706663	0.1706613	0.0000017
VENUS	1984-09-24 14:05	< 1 min	0.0495760	0.0495738	0.0000007
EARTH	1987-11-03 17:19	< 1 s	0.0121971	0.0121970	0.0000000
VENUS	2001-01-07 05:40	< 1 min	0.0424492	0.0424478	0.0000005
EARTH	2010-10-30 11:59	< 1 s	0.0683989	0.0683989	0.0000000
VENUS	2024-02-06 03:17	< 1 min	0.0159880	0.0159867	0.0000004
EARTH	2027-06-10 20:39	< 1 min	0.0809295	0.0809272	0.0000008
VENUS	2040-05-22 17:22	< 1 min	0.0494197	0.0494144	0.0000018
VENUS	2050-03-31 02:36	< 1 min	0.0470787	0.0470777	0.0000004
EARTH	2050-06-10 22:37	< 1 min	0.0986894	0.0986878	0.0000005
EARTH	2069-11-11 11:27	< 1 min	0.1652666	0.1652601	0.0000022
MERCURY	2086-05-24 21:43	< 1 min	0.0375377	0.0375365	0.0000004
EARTH	2092-11-06 22:27	< 1 min	0.0497532	0.0497478	0.0000018
MERCURY	2096-04-12 12:41	< 1 min	0.0345026	0.0345020	0.0000002
4 Vesta	2113-02-03 11:07	< 1 min	0.0050620	0.0050589	0.0000010
EARTH	2115-11-11 02:35	< 1 min	0.1133837	0.1133796	0.0000014

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
311.99974376	299.79403784	0.01024797	MINIMUM
48.98011824	160.53152114	0.01430043	MINIMUM
1.27557814	51.54505168	0.60223389	SADDLE
1.30656867	231.60515062	1.39775956	SADDLE
180.12132522	229.51386145	3.02803909	SADDLE
180.12001655	49.50970368	5.02658556	MAXIMUM

Download:

MOID Plots

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