Asteroids

2015VH65 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.657

Aphelion (Q)

1.046

Eccentricity (e)

0.228

Inclination (i)

13.4

deg

Orbit period (P)

287.1

Earth MOID

0.01370

U parameter

6.6

Next Earth close approach

Date

2026-11-09

Nominal distance (from Earth center)

0.02507

3750475

Maximum Brightness

21.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

8 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2015-11-08

Observatory

University of Arizona Mt. Lemmon 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.851619

1-sigma variation

0.000035

Unit

Eccentricity (e)

Value

0.228308

1-sigma variation

0.000097

Unit

Inclination (i)

Value

13.3772

1-sigma variation

0.0081

Unit

Long. of Ascending Node (Ω)

Value

227.0801

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

330.2546

1-sigma variation

0.0013

Unit

Mean Anomaly (M)

Value

30.59452

1-sigma variation

0.33037

Unit

Perihelion distance

Value

0.657188

1-sigma variation

Unit

Aphelion distance

Value

1.046051

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.335277

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.015791

1-sigma variation

Unit

MOID

Value

0.013695

1-sigma variation

Unit

Orbit Period

Value

287.0561

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.22128E-9	-3.38972E-9	-2.82462E-7	4.84619E-9	-4.40469E-8	-1.15453E-5
e	-3.38972E-9	9.41229E-9	7.84273E-7	-1.34435E-8	1.21463E-7	3.20460E-5
i	-2.82462E-7	7.84273E-7	6.53552E-5	-1.12040E-6	1.01317E-5	2.67034E-3
Ω	4.84619E-9	-1.34435E-8	-1.12040E-6	1.92521E-8	-1.76282E-7	-4.58100E-5
ω	-4.40469E-8	1.21463E-7	1.01317E-5	-1.76282E-7	1.74804E-6	4.16071E-4
M	-1.15453E-5	3.20460E-5	2.67034E-3	-4.58100E-5	4.16071E-4	1.09143E-1

Date of computation: 2026-07-30 14:25 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

27.52

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

8 - 19*

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

Unit

Source

[-]

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Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

4002

Unit

Source

[1]

Normalized RMS of residuals

Value

0.610721

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2015-11-08.3165

Unit

Source

[2]

Last Observation

Value

2015-11-12.61675

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

65 (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

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

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 2015VH65 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
VENUS	1950-04-08 17:17	395.2	0.0427796	0.0400262	0.0011888
EARTH	1953-11-13 00:55	132.9	0.0347332	0.0279998	0.0023079
VENUS	1964-06-02 23:15	104.7	0.0498648	0.0484328	0.0004953
EARTH	1964-11-12 06:47	70.9	0.0240828	0.0218461	0.0007705
EARTH	1975-11-14 23:00	48.4	0.0903716	0.0817455	0.0028841
EARTH	1982-10-07 10:35	454.9	0.1950263	0.1890794	0.0020068
EARTH	1986-11-14 02:25	48.0	0.1941404	0.1850402	0.0030353
VENUS	1987-03-04 04:22	550.6	0.0450174	0.0429162	0.0010753
EARTH	1993-10-26 08:49	809.6	0.1203557	0.1112459	0.0030697
EARTH	2004-11-06 21:59	611.9	0.0493011	0.0388319	0.0035743
EARTH	2015-11-11 10:01	< 1 min	0.0151382	0.0151138	0.0000082
EARTH	2026-11-09 23:59	479.2	0.0250704	0.0170431	0.0031869
EARTH	2037-10-28 12:57	310.2	0.1100599	0.1067746	0.0011010
EARTH	2048-10-09 20:36	341.3	0.1835743	0.1798283	0.0012557
EARTH	2052-11-14 02:28	12.6	0.1360517	0.1266954	0.0031230
EARTH	2063-11-13 03:05	289.0	0.0288902	0.0185785	0.0039148
EARTH	2074-11-12 16:04	247.8	0.0254428	0.0175658	0.0030306
EARTH	2085-11-14 11:59	9.8	0.1209219	0.1098248	0.0037066
EARTH	2092-10-12 11:28	453.8	0.1724871	0.1678445	0.0015685
EARTH	2103-10-31 18:19	27.4	0.0987308	0.0981884	0.0001808
EARTH	2114-11-11 09:11	277.3	0.0208384	0.0164970	0.0017401
EARTH	2125-11-10 23:59	492.4	0.0219218	0.0153497	0.0031339
VENUS	2126-03-19 13:32	867.3	0.0411291	0.0400873	0.0013726

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
219.15805223	305.14599729	0.01369516	MINIMUM
345.48871624	74.06252368	0.36067409	SADDLE
2.92017128	275.78031653	1.65353552	SADDLE
186.25516716	99.39395149	2.04510836	MAXIMUM

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MOID Plots

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