Asteroids

2025DC36 help

Last update: 2026-08-26 14:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.018

Aphelion (Q)

2.202

Eccentricity (e)

0.368

Inclination (i)

1.9

deg

Orbit period (P)

746.1

Earth MOID

0.03637

U parameter

5.0

Next Earth close approach

Date

2070-03-11

Nominal distance (from Earth center)

0.17965

26874906

Maximum Brightness

22.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.9

mag

Diameter

40 - 100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-19

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

1.609902

1-sigma variation

0.000022

Unit

Eccentricity (e)

Value

0.367776

1-sigma variation

0.000009

Unit

Inclination (i)

Value

1.9488

1-sigma variation

4.413E-5

Unit

Long. of Ascending Node (Ω)

Value

310.6907

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

256.4030

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

201.68100

1-sigma variation

0.00423

Unit

Perihelion distance

Value

1.017820

1-sigma variation

Unit

Aphelion distance

Value

2.201985

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.509095

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.296007

1-sigma variation

Unit

MOID

Value

0.036366

1-sigma variation

Unit

Orbit Period

Value

746.1011

1-sigma variation

Unit

U parameter

Value

5.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.99057E-10	1.91618E-10	9.78264E-10	2.62108E-9	-1.07567E-9	-9.44585E-8
e	1.91618E-10	7.35756E-11	3.75452E-10	1.00442E-9	-4.10876E-10	-3.62684E-8
i	9.78264E-10	3.75452E-10	1.94768E-9	5.62138E-9	-2.58150E-9	-1.85176E-7
Ω	2.62108E-9	1.00442E-9	5.62138E-9	2.56543E-8	-1.75125E-8	-4.96244E-7
ω	-1.07567E-9	-4.10876E-10	-2.58150E-9	-1.75125E-8	1.43818E-8	2.03637E-7
M	-9.44585E-8	-3.62684E-8	-1.85176E-7	-4.96244E-7	2.03637E-7	1.78786E-5

Date of computation: 2026-08-26 14:46 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

23.907

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

40 - 100*

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

175

Unit

Source

[1]

Unobserved

Value

479

Unit

Source

[1]

Normalized RMS of residuals

Value

0.739041

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-01-24.39522

Unit

Source

[2]

Last Observation

Value

2025-07-18.054864

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

68 (1)

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 2025DC36 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	1978-03-16 08:58	593.6	0.1174728	0.1058200	0.0039002
EARTH	1980-05-17 09:27	1212.1	0.0723015	0.0616848	0.0036436
MARS	1984-09-06 07:37	269.0	0.0475421	0.0385833	0.0032737
EARTH	2025-04-15 14:56	< 1 min	0.0363016	0.0362992	0.0000008
MARS	2031-09-16 02:37	41.0	0.0373092	0.0363290	0.0003407
EARTH	2070-03-11 12:40	534.3	0.1796476	0.1624742	0.0057328
EARTH	2072-05-07 10:02	> 1 d	0.0440085	0.0390562	0.0018847
MARS	2078-09-23 08:14	500.0	0.0482037	0.0351971	0.0056902
EARTH	2115-04-09 06:28	> 1 w	0.0390547	0.0349350	0.0056371
EARTH	2117-06-03 20:10	> 1 d	0.1841482	0.0708374	0.0389683

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
359.46195855	100.96625813	0.03636620	MINIMUM
181.08997676	283.84428184	1.20676407	SADDLE
2.29580458	285.15942146	2.01357473	SADDLE
181.05821532	103.82606460	3.20547306	MAXIMUM

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MOID Plots

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