Asteroids

2018WV1 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.977

Aphelion (Q)

1.102

Eccentricity (e)

0.060

Inclination (i)

1.7

deg

Orbit period (P)

387.2

Earth MOID

1.030E-6

U parameter

2.5

Next Earth close approach

Date

2035-07-29

Nominal distance (from Earth center)

0.17353

25959593

Maximum Brightness

29.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

30.2

mag

Diameter

2.5 - 6*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2018-11-29

Observatory

Catalina Sky 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.039596

1-sigma variation

1.762E-7

Unit

Eccentricity (e)

Value

0.060291

1-sigma variation

2.220E-7

Unit

Inclination (i)

Value

1.6526

1-sigma variation

6.535E-6

Unit

Long. of Ascending Node (Ω)

Value

246.3781

1-sigma variation

2.960E-5

Unit

Arg. of Perihelion (ω)

Value

145.9145

1-sigma variation

4.646E-5

Unit

Mean Anomaly (M)

Value

54.57761

1-sigma variation

0.00056

Unit

Perihelion distance

Value

0.976918

1-sigma variation

Unit

Aphelion distance

Value

1.102274

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.077025

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000007

1-sigma variation

Unit

MOID

Value

0.000001

1-sigma variation

Unit

Orbit Period

Value

387.1642

1-sigma variation

Unit

U parameter

Value

2.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.10438E-14	3.90405E-14	1.13912E-12	5.10959E-12	-7.33820E-12	-9.87299E-11
e	3.90405E-14	4.92928E-14	1.44276E-12	6.50367E-12	-9.51621E-12	-1.23987E-10
i	1.13912E-12	1.44276E-12	4.27125E-11	1.91910E-10	-2.84605E-10	-3.61367E-9
Ω	5.10959E-12	6.50367E-12	1.91910E-10	8.75912E-10	-1.32224E-9	-1.61841E-8
ω	-7.33820E-12	-9.51621E-12	-2.84605E-10	-1.32224E-9	2.15891E-9	2.30787E-8
M	-9.87299E-11	-1.23987E-10	-3.61367E-9	-1.61841E-8	2.30787E-8	3.14157E-7

Date of computation: 2025-07-29 02:36 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

30.167

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

2.5 - 6*

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

2453

Unit

Source

[1]

Normalized RMS of residuals

Value

0.537065

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2018-11-29.23429

Unit

Source

[2]

Last Observation

Value

2018-12-13.238904

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

90 (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 2018WV1 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	1950-06-15 11:13	> 1 mo	0.1279211	0.1155466	0.0273869
EARTH	1962-09-18 12:50	> 1 d	0.0823338	0.0729530	0.0031377
EARTH	1963-02-12 04:08	> 1 d	0.0192046	0.0085716	0.0048960
EARTH	1973-06-21 21:53	> 1 d	0.1482666	0.1475161	0.0002532
EARTH	1984-02-02 04:57	24.6	0.0077290	0.0077124	0.0000056
EARTH	1992-08-20 15:55	81.4	0.1506757	0.1506368	0.0000130
EARTH	1993-02-26 03:19	2.0	0.1690391	0.1688955	0.0000479
EARTH	2001-07-01 17:21	60.4	0.1780159	0.1780134	0.0000008
EARTH	2009-11-09 10:48	1.6	0.1519742	0.1518730	0.0000337
EARTH	2010-05-12 19:54	58.8	0.1455698	0.1455386	0.0000104
EARTH	2018-12-02 03:10	< 1 s	0.0002208	0.0002208	0.0000000
EARTH	2035-07-29 19:47	< 1 min	0.1735292	0.1734495	0.0000266
EARTH	2036-04-20 19:03	58.5	0.0986270	0.0986186	0.0000028
EARTH	2036-12-11 13:42	1.3	0.1173638	0.1172819	0.0000273
EARTH	2053-10-13 18:22	109.7	0.0289564	0.0289135	0.0000143
EARTH	2071-07-24 15:41	27.3	0.1185785	0.1168481	0.0005770
EARTH	2072-03-26 16:46	1265.2	0.0971122	0.0970725	0.0000135
EARTH	2072-12-07 04:43	24.3	0.1499922	0.1483434	0.0005496
EARTH	2090-08-17 01:13	> 1 d	0.0309380	0.0299913	0.0003448
EARTH	2091-01-16 04:31	> 1 d	0.0685176	0.0662692	0.0007523
EARTH	2109-07-16 15:53	536.7	0.1748610	0.1087164	0.0222196
EARTH	2110-04-21 19:43	> 1 mo	0.0890647	0.0812513	0.0037108
EARTH	2110-11-30 21:37	> 1 d	0.0708760	0.0045869	0.0230039

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
32.31791257	324.81509136	0.00000103	MINIMUM
290.95353241	218.31571748	0.02836287	MINIMUM
326.46483698	255.49085257	0.03166626	SADDLE
161.78857595	92.05689289	0.10136801	SADDLE
343.78571062	93.81588768	1.98007930	SADDLE
166.07264039	276.10710118	2.09830041	MAXIMUM

Download:

MOID Plots

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