Asteroids

441987 2010NY65 help

Last update: 2026-07-30 09:40 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.632

Aphelion (Q)

1.375

Eccentricity (e)

0.370

Inclination (i)

11.5

deg

Orbit period (P)

367.3

Earth MOID

0.01778

U parameter

0.0

A₂

-37.2

10^-15au/days²

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.3

mag

Diameter

200

Taxonomic type

Rotation period (T)

5.541

Discovery Information

Discovery Date

2010-07-14

Observatory

WISE

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.003636

1-sigma variation

3.903E-10

Unit

Eccentricity (e)

Value

0.370157

1-sigma variation

1.965E-8

Unit

Inclination (i)

Value

11.5436

1-sigma variation

2.332E-6

Unit

Long. of Ascending Node (Ω)

Value

267.9194

1-sigma variation

1.167E-6

Unit

Arg. of Perihelion (ω)

Value

252.0952

1-sigma variation

4.689E-7

Unit

Mean Anomaly (M)

Value

43.86283

1-sigma variation

1.111E-6

Unit

Perihelion distance

Value

0.632133

1-sigma variation

Unit

Aphelion distance

Value

1.375139

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.038694

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.206601

1-sigma variation

Unit

MOID

Value

0.017784

1-sigma variation

Unit

Orbit Period

Value

367.2509

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

A₂

Value

-37.22222

1-sigma variation

1.39141

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	1.52296E-19	-6.71989E-19	1.03006E-16	1.80995E-17	4.87051E-17	-2.26378E-16	5.23155E-10
e	-6.71989E-19	3.86045E-16	-4.37464E-14	-2.15264E-14	-5.44313E-15	-1.75115E-14	4.87658E-9
i	1.03006E-16	-4.37464E-14	5.43963E-12	2.70790E-12	3.77510E-13	1.91243E-12	-4.32744E-7
Ω	1.80995E-17	-2.15264E-14	2.70790E-12	1.36105E-12	1.54242E-13	9.93368E-13	-3.28282E-7
ω	4.87051E-17	-5.44313E-15	3.77510E-13	1.54242E-13	2.19889E-13	1.94238E-13	6.02155E-8
M	-2.26378E-16	-1.75115E-14	1.91243E-12	9.93368E-13	1.94238E-13	1.23372E-12	-1.12593E-6
A₂	5.23155E-10	4.87658E-9	-4.32744E-7	-3.28282E-7	6.02155E-8	-1.12593E-6	1.93602E0

Date of computation: 2026-07-30 09:40 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

5.541

4.979

4.971

Unit

Source

[2]

[6]

[1]

Quality

Value

Unit

Source

[6]

Amplitude

Value

0.23

0.24

0.21

Unit

mag

Source

[1]

[2]

[6]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

268

Unit

Source

[1]

Spinvector B

Value

Unit

Source

[1]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[3]

[4]

Taxonomy (all)

Value

Unit

Source

[3]

[5]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

21.339

Unit

mag

Source

[7]

Slope Parameter (G)

Value

0.15**

Unit

Source

[7]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.071

Unit

Source

[8]

[9]

Diameter

Value

200

Unit

Source

[8]

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

[10]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Near-Earth Asteroid Lightcurve Analysis at the Center for Solar System Studies: 2019 July-September, B.D. Warner
[2]	EARN	1.) Near-Earth Asteroid Lightcurve Analysis at the Center for Solar System Studies: 2018 July-September, B.D. Warner
[3]	EARN	1.) Ieva, S. et al. (2018) Astron. Astrophys. 615, A127. (Photometric survey of 67 near-Earth objects)
[4]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[5]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[6]	EARN	1.) Warner, B.D. (2016) MPB 43, 311-319. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2016 APRIL-JULY)(31 NEAs)
[7]	ESA Aegis	ESA orbit determination and impact monitoring system
[8]	EARN	1.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.
[9]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs)
[10]	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

5134

Unit

Source

[1]

Unobserved

Value

769

Unit

Source

[1]

Normalized RMS of residuals

Value

0.477617

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2010-07-14.011146

Unit

Source

[2]

Last Observation

Value

2024-08-03.3398

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1013 (13)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2014-06-26

Unit

Source

[3]

Last Observation

Value

2022-06-26

Unit

Source

[3]

Delay (Discarded)

Value

15 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

18 (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

Filters

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Final Date: *

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Max residual (arcsec):

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Computation parameters

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Final Date: *

Output option:

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Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 441987 2010NY65 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	2010-07-01 15:57	< 1 s	0.1889291	0.1889290	0.0000000
EARTH	2011-06-30 11:34	< 1 s	0.1554174	0.1554174	0.0000000
EARTH	2012-06-28 08:54	< 1 s	0.1229785	0.1229785	0.0000000
EARTH	2013-06-27 09:21	< 1 s	0.0932886	0.0932886	0.0000000
EARTH	2014-06-26 13:06	< 1 s	0.0666434	0.0666434	0.0000000
EARTH	2015-06-25 21:28	< 1 s	0.0439918	0.0439918	0.0000000
EARTH	2016-06-24 10:29	< 1 s	0.0275278	0.0275278	0.0000000
EARTH	2017-06-24 06:37	< 1 s	0.0202788	0.0202788	0.0000000
EARTH	2018-06-24 09:05	< 1 s	0.0186931	0.0186931	0.0000000
EARTH	2019-06-24 16:58	< 1 s	0.0196090	0.0196090	0.0000000
EARTH	2020-06-24 06:43	< 1 s	0.0251192	0.0251192	0.0000000
EARTH	2021-06-25 05:08	< 1 s	0.0399239	0.0399239	0.0000000
EARTH	2022-06-26 10:17	< 1 s	0.0629380	0.0629380	0.0000000
EARTH	2023-06-27 20:24	< 1 s	0.0904400	0.0904400	0.0000000
EARTH	2024-06-28 07:28	< 1 s	0.1194313	0.1194313	0.0000000
EARTH	2025-06-29 20:50	< 1 s	0.1504553	0.1504553	0.0000000
EARTH	2026-07-01 12:41	< 1 s	0.1826897	0.1826896	0.0000000
VENUS	2075-07-09 20:32	< 1 min	0.0489595	0.0489584	0.0000004

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
90.72217640	167.71059712	0.01778435	MINIMUM
280.18435716	314.89344484	0.10851738	MINIMUM
6.31060419	63.36469709	0.39159769	SADDLE
185.09617210	239.39181608	0.43103146	SADDLE
4.12494579	240.10452740	1.63375310	SADDLE
180.75077774	56.36131160	2.35526122	MAXIMUM

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MOID Plots

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