Asteroids

2016VA help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.424

Aphelion (Q)

1.409

Eccentricity (e)

0.538

Inclination (i)

29.6

deg

Orbit period (P)

320.5

Earth MOID

0.00071

U parameter

9.0

Next Earth close approach

Date

2031-11-04

Nominal distance (from Earth center)

0.10873

16265880

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

8 - 17*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-11-01

Observatory

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.916507

1-sigma variation

0.017714

Unit

Eccentricity (e)

Value

0.537798

1-sigma variation

0.020052

Unit

Inclination (i)

Value

29.6089

1-sigma variation

0.9704

Unit

Long. of Ascending Node (Ω)

Value

219.6975

1-sigma variation

0.0070

Unit

Arg. of Perihelion (ω)

Value

309.8152

1-sigma variation

2.7436

Unit

Mean Anomaly (M)

Value

2.93719

1-sigma variation

11.11920

Unit

Perihelion distance

Value

0.423611

1-sigma variation

Unit

Aphelion distance

Value

1.409403

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.524273

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001130

1-sigma variation

Unit

MOID

Value

0.000706

1-sigma variation

Unit

Orbit Period

Value

320.4809

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.13779E-4	-3.55195E-4	1.71894E-2	1.24870E-4	-4.85999E-2	-1.96964E-1
e	-3.55195E-4	4.02078E-4	-1.94582E-2	-1.41352E-4	5.50147E-2	2.22961E-1
i	1.71894E-2	-1.94582E-2	9.41666E-1	6.84061E-3	-2.66239E0	-1.07900E1
Ω	1.24870E-4	-1.41352E-4	6.84061E-3	4.96927E-5	-1.93406E-2	-7.83828E-2
ω	-4.85999E-2	5.50147E-2	-2.66239E0	-1.93406E-2	7.52745E0	3.05069E1
M	-1.96964E-1	2.22961E-1	-1.07900E1	-7.83828E-2	3.05069E1	1.23637E2

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

[3]

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

27.691

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

8 - 17*

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

[-]

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.) Birtwhistle, P. (2018) MPB 45, 215-219. (Lightcurve Analysis for Two Near-Earth Asteroids Eclipsed by the Earth's Shadow)

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

0.7

Unit

Source

[1]

Unobserved

Value

3292

Unit

Source

[1]

Normalized RMS of residuals

Value

0.391384

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-11-01.3504

Unit

Source

[2]

Last Observation

Value

2016-11-02.01823

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (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

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

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 2016VA 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	1952-11-03 09:18	533.3	0.0726426	0.0084185	0.0214079
EARTH	1959-11-04 22:32	168.5	0.1384885	0.0758744	0.0208757
EARTH	1995-10-27 11:45	623.2	0.1902206	0.1544565	0.0119214
EARTH	2002-10-29 22:12	447.0	0.1162235	0.0886685	0.0091850
EARTH	2009-10-31 21:34	249.3	0.0479208	0.0305595	0.0057873
EARTH	2016-11-02 00:41	< 1 s	0.0006296	0.0006291	0.0000002
EARTH	2024-11-02 00:26	238.5	0.0014090	0.0007485	0.0053798
EARTH	2031-11-04 22:06	> 1 w	0.1087307	0.0029462	1.1446617
EARTH	2060-10-29 20:03	> 1 mo	0.1107960	0.0017214	4.9265807
MERCURY	2067-03-01 02:18	> 1 mo	0.0488084	0.0417758	4.1936850
EARTH	2067-11-03 02:15	> 1 mo	0.0052998	0.0015669	5.0951945
EARTH	2082-10-29 10:15	> 1 mo	0.1390462	0.0021887	281.4206714
EARTH	2089-11-04 18:58	> 1 mo	0.1280564	0.0050001	385.8187212
EARTH	2104-11-03 02:51	> 1 mo	0.0090479	0.0023615	553.9998637
EARTH	2111-11-06 10:49	> 1 mo	0.1637174	0.0088146	4577.0789218

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
261.10206095	298.35834342	0.00081960	MINIMUM
65.23544823	161.65934426	0.44283704	MINIMUM
347.56840101	45.49855322	0.63874648	SADDLE
158.27838333	239.35756023	0.64237242	SADDLE
355.25797425	240.17291743	1.40472627	SADDLE
186.00170783	75.26218502	2.36270605	MAXIMUM

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MOID Plots

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