Asteroids

2015DC200 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.237

Aphelion (Q)

3.314

Eccentricity (e)

0.866

Inclination (i)

3.1

deg

Orbit period (P)

864.2

Earth MOID

0.03063

U parameter

0.8

Next Earth close approach

Date

2034-03-20

Nominal distance (from Earth center)

0.04271

6388993

Maximum Brightness

16.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.6

mag

Diameter

200 - 500*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2015-02-24

Observatory

Pan-STARRS 1, Haleakala

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

1.775578

1-sigma variation

4.565E-8

Unit

Eccentricity (e)

Value

0.866476

1-sigma variation

6.691E-8

Unit

Inclination (i)

Value

3.0510

1-sigma variation

5.513E-6

Unit

Long. of Ascending Node (Ω)

Value

223.5046

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

86.3886

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

239.51755

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.237082

1-sigma variation

Unit

Aphelion distance

Value

3.314073

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.588891

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.523272

1-sigma variation

Unit

MOID

Value

0.030626

1-sigma variation

Unit

Orbit Period

Value

864.1873

1-sigma variation

Unit

U parameter

Value

0.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.08349E-15	2.65647E-15	3.95725E-15	-1.86715E-13	5.20138E-13	-6.04273E-13
e	2.65647E-15	4.47671E-15	-4.03127E-14	1.97117E-12	-1.40936E-12	-9.28422E-13
i	3.95725E-15	-4.03127E-14	3.03933E-11	-2.27273E-10	2.23103E-10	3.02857E-12
Ω	-1.86715E-13	1.97117E-12	-2.27273E-10	1.82519E-8	-1.79568E-8	-1.15368E-10
ω	5.20138E-13	-1.40936E-12	2.23103E-10	-1.79568E-8	1.77700E-8	-3.72437E-12
M	-6.04273E-13	-9.28422E-13	3.02857E-12	-1.15368E-10	-3.72437E-12	2.06754E-10

Date of computation: 2026-03-18 10:55 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

20.59

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

200 - 500*

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

3604

Unit

Source

[1]

Unobserved

Value

502

Unit

Source

[1]

Normalized RMS of residuals

Value

0.548041

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2015-02-24.44264

Unit

Source

[2]

Last Observation

Value

2025-01-06.240156

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

136 (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

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 2015DC200 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	1956-02-13 21:30	< 1 min	0.0325929	0.0325734	0.0000065
EARTH	1960-12-02 09:42	< 1 min	0.1831169	0.1831040	0.0000043
EARTH	1970-03-16 02:30	< 1 min	0.1283875	0.1283784	0.0000030
EARTH	1979-12-04 20:57	< 1 min	0.1532600	0.1532547	0.0000018
MERCURY	1982-02-23 11:18	< 1 min	0.0099233	0.0099211	0.0000007
EARTH	1989-03-14 02:54	< 1 min	0.1654841	0.1654802	0.0000013
VENUS	2022-07-25 20:10	< 1 min	0.0183899	0.0183877	0.0000008
EARTH	2024-12-17 07:58	< 1 min	0.1502687	0.1502680	0.0000002
EARTH	2034-03-20 04:30	< 1 min	0.0427078	0.0427039	0.0000013
MERCURY	2036-09-15 22:47	< 1 min	0.0341698	0.0341598	0.0000033
EARTH	2050-12-19 22:05	< 1 min	0.1795897	0.1795705	0.0000064
MERCURY	2053-03-12 21:03	< 1 min	0.0093261	0.0093152	0.0000037
EARTH	2060-03-17 11:24	< 1 min	0.0816160	0.0815744	0.0000139
MERCURY	2076-10-18 17:55	1.8	0.0092880	0.0092511	0.0000125
EARTH	2076-12-10 05:53	1.3	0.0552913	0.0552385	0.0000176
EARTH	2093-03-21 03:36	2.9	0.0348328	0.0347935	0.0000132
88 Thisbe	2094-09-26 03:47	2.5	0.0171365	0.0171336	0.0000010
7 Iris	2103-01-30 22:00	2.7	0.0147938	0.0146866	0.0000362
EARTH	2109-12-07 19:30	8.4	0.1549487	0.1544969	0.0001506
EARTH	2126-03-15 00:24	12.0	0.1659542	0.1654004	0.0001846

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
59.02111881	335.26786622	0.03062647	MINIMUM
300.52238495	74.77949339	0.03649023	MINIMUM
359.06741519	203.63040333	0.77866948	SADDLE
359.08991168	23.66762438	1.22180526	SADDLE
179.93262637	25.34035746	2.33095507	SADDLE
179.92640736	205.33499518	4.32818492	MAXIMUM

Download:

MOID Plots

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