Asteroids

2018DV1 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.822

Aphelion (Q)

1.149

Eccentricity (e)

0.166

Inclination (i)

5.2

deg

Orbit period (P)

357.4

Earth MOID

0.00039

U parameter

6.7

Next Earth close approach

Date

2057-09-30

Nominal distance (from Earth center)

0.0824

12326117

Maximum Brightness

26.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.4

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2018-02-26

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

0.985540

1-sigma variation

0.000066

Unit

Eccentricity (e)

Value

0.165522

1-sigma variation

0.000088

Unit

Inclination (i)

Value

5.1532

1-sigma variation

0.0032

Unit

Long. of Ascending Node (Ω)

Value

341.0450

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

281.6394

1-sigma variation

0.0289

Unit

Mean Anomaly (M)

Value

80.40739

1-sigma variation

0.29615

Unit

Perihelion distance

Value

0.822411

1-sigma variation

Unit

Aphelion distance

Value

1.148669

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.081617

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000878

1-sigma variation

Unit

MOID

Value

0.000388

1-sigma variation

Unit

Orbit Period

Value

357.3631

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.32876E-9	-4.79997E-9	-1.90038E-7	-5.24959E-9	-1.89434E-6	-1.94823E-5
e	-4.79997E-9	7.66603E-9	2.81772E-7	-3.39452E-8	2.20723E-6	2.18317E-5
i	-1.90038E-7	2.81772E-7	1.05010E-5	-9.73208E-7	8.63964E-5	8.62228E-4
Ω	-5.24959E-9	-3.39452E-8	-9.73208E-7	6.89600E-7	4.87234E-7	1.97367E-5
ω	-1.89434E-6	2.20723E-6	8.63964E-5	4.87234E-7	8.33850E-4	8.53617E-3
M	-1.94823E-5	2.18317E-5	8.62228E-4	1.97367E-5	8.53617E-3	8.77053E-2

Date of computation: 2026-06-04 23:11 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

28.379

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

6 - 13*

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

3074

Unit

Source

[1]

Normalized RMS of residuals

Value

0.699516

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2018-02-26.26815

Unit

Source

[2]

Last Observation

Value

2018-02-27.95187

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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

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 2018DV1 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	1952-09-12 12:01	> 1 d	0.1857974	0.1802325	0.0019052
EARTH	1953-01-13 12:07	> 1 d	0.1303056	0.1270263	0.0011121
EARTH	1953-04-21 19:24	> 1 d	0.1939892	0.1854472	0.0028568
EARTH	1961-02-18 19:40	1285.1	0.0767044	0.0690726	0.0025473
EARTH	1969-02-28 23:43	65.1	0.0241522	0.0223024	0.0006166
EARTH	1977-02-03 02:39	262.0	0.1094059	0.1089605	0.0001486
EARTH	1984-09-25 16:44	113.8	0.1569583	0.1566243	0.0001114
EARTH	1984-12-22 01:39	30.3	0.1379967	0.1376929	0.0001013
EARTH	1992-10-27 00:13	20.2	0.0997638	0.0993800	0.0001290
EARTH	2000-11-02 20:29	26.5	0.1007551	0.0995233	0.0004158
EARTH	2010-03-02 11:47	24.7	0.0753260	0.0718749	0.0011504
EARTH	2018-03-02 05:53	1.4	0.0007528	0.0007512	0.0000005
EARTH	2019-02-26 08:01	26.2	0.1303297	0.1282796	0.0006834
EARTH	2057-09-30 06:10	> 1 d	0.0823950	0.0376078	0.0215256
EARTH	2058-09-21 16:49	> 1 d	0.0647299	0.0377887	0.0183424
EARTH	2059-08-08 05:48	> 1 w	0.1607174	0.1332368	0.0098742
EARTH	2059-11-11 18:25	> 1 w	0.1678142	0.1434077	0.0081356
EARTH	2060-12-16 17:33	> 1 w	0.1890104	0.1882854	0.0002745
EARTH	2062-01-19 02:40	> 1 w	0.1599376	0.1426906	0.0058659
EARTH	2062-04-27 18:12	> 1 w	0.1740051	0.1555107	0.0061979
EARTH	2063-03-01 14:02	1215.9	0.0628866	0.0296001	0.0111254
EARTH	2064-02-28 19:33	97.4	0.0626036	0.0411340	0.0071571
EARTH	2065-02-23 04:09	89.0	0.1968798	0.1911894	0.0018969
EARTH	2102-10-03 15:21	> 1 w	0.1235251	0.0384046	0.1893608
EARTH	2103-09-26 16:49	> 1 w	0.0393611	0.0372039	0.0630440
EARTH	2104-08-23 01:01	> 1 mo	0.1367111	0.0771797	0.1599328
EARTH	2104-10-24 22:50	> 1 mo	0.1464361	0.0021426	0.1569142
EARTH	2105-07-15 08:31	> 1 mo	0.1928475	0.1390177	0.0762127
EARTH	2105-12-07 02:49	> 1 mo	0.1878074	0.1367748	0.0215351
EARTH	2107-01-08 08:42	> 1 mo	0.1755112	0.0860323	0.1004486
EARTH	2107-05-12 13:08	> 1 mo	0.1905939	0.0519301	0.1043630
EARTH	2108-02-19 20:15	> 1 mo	0.1052600	0.0167636	0.3450099
EARTH	2109-03-02 04:39	> 1 w	0.0226121	0.0015316	0.4335335
EARTH	2110-02-25 06:28	> 1 d	0.1781586	0.0924695	0.0287203

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
267.79458084	58.82806513	0.00011685	MINIMUM
90.69414576	262.50178364	0.03674172	MINIMUM
178.69139689	340.59462896	0.18915390	SADDLE
359.69283194	160.65060803	0.21079507	SADDLE
1.71514846	343.11085678	1.80507862	SADDLE
181.80540073	163.21034553	2.16393318	MAXIMUM

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MOID Plots

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