Asteroids

2018VJ10 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.818

Aphelion (Q)

2.399

Eccentricity (e)

0.491

Inclination (i)

8.6

deg

Orbit period (P)

745.4

Earth MOID

0.00027

U parameter

7.7

Next Earth close approach

Date

2063-07-09

Nominal distance (from Earth center)

0.13535

20248313

Maximum Brightness

27.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.6

mag

Diameter

5 - 12*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2018-11-15

Observatory

Palomar Mountain--ZTF

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

1.608874

1-sigma variation

0.000963

Unit

Eccentricity (e)

Value

0.491415

1-sigma variation

0.000361

Unit

Inclination (i)

Value

8.5711

1-sigma variation

0.0053

Unit

Long. of Ascending Node (Ω)

Value

231.9895

1-sigma variation

0.0020

Unit

Arg. of Perihelion (ω)

Value

118.4978

1-sigma variation

0.0027

Unit

Mean Anomaly (M)

Value

178.55337

1-sigma variation

1.16223

Unit

Perihelion distance

Value

0.818249

1-sigma variation

Unit

Aphelion distance

Value

2.399498

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.581861

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.000721

1-sigma variation

Unit

MOID

Value

0.000274

1-sigma variation

Unit

Orbit Period

Value

745.3861

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.26588E-7	3.47553E-7	5.09423E-6	-1.89715E-6	2.56828E-6	-1.11876E-3
e	3.47553E-7	1.30365E-7	1.91087E-6	-7.11573E-7	9.62849E-7	-4.19635E-4
i	5.09423E-6	1.91087E-6	2.80118E-5	-1.04289E-5	1.40980E-5	-6.15076E-3
Ω	-1.89715E-6	-7.11573E-7	-1.04289E-5	3.88474E-6	-5.26547E-6	2.29061E-3
ω	2.56828E-6	9.62849E-7	1.40980E-5	-5.26547E-6	7.25151E-6	-3.10096E-3
M	-1.11876E-3	-4.19635E-4	-6.15076E-3	2.29061E-3	-3.10096E-3	1.35079E0

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

28.562

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

5 - 12*

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

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

2543

Unit

Source

[1]

Normalized RMS of residuals

Value

0.789836

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2018-11-15.247525

Unit

Source

[2]

Last Observation

Value

2018-11-17.25863

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (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 2018VJ10 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	1950-07-03 13:53	> 1 d	0.1273922	0.1109202	0.0071069
MARS	1956-02-22 22:24	> 1 d	0.0157694	0.0102960	0.0292172
EARTH	1981-11-25 06:58	> 1 w	0.1693367	0.0039697	0.1697380
EARTH	1983-10-21 23:50	> 1 mo	0.1556653	0.0304738	0.1241809
EARTH	1987-06-21 11:00	> 1 w	0.1581063	0.1097825	0.1118814
MARS	2012-07-28 11:14	1364.0	0.0376747	0.0061564	0.0272578
EARTH	2018-11-14 20:37	< 1 min	0.0013281	0.0013252	0.0000010
EARTH	2063-07-09 21:08	> 1 w	0.1353516	0.1189830	0.0982142
EARTH	2067-10-30 17:19	> 1 mo	0.1189437	0.0157947	0.2151451
EARTH	2069-11-23 15:42	> 1 w	0.1250994	0.0053169	0.2624628
EARTH	2112-06-29 03:46	> 1 w	0.1458100	0.1212124	0.0738104
EARTH	2114-07-31 21:57	> 1 mo	0.1929952	0.1237566	0.0769328
EARTH	2118-11-13 17:12	> 1 w	0.0300270	0.0041183	0.1826106
EARTH	2120-11-28 18:19	> 1 d	0.1962357	0.0527572	0.0479889

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
38.37144264	310.55030168	0.00014571	MINIMUM
316.20059326	178.85273492	0.11849949	MINIMUM
354.11440337	239.39381501	0.22605686	SADDLE
178.71666584	67.41872031	1.42048509	SADDLE
357.67937545	65.57762563	1.80803087	SADDLE
179.63442832	247.95232107	3.39938251	MAXIMUM

Download:

MOID Plots

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