Asteroids

2025DC22 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.956

Aphelion (Q)

1.379

Eccentricity (e)

0.181

Inclination (i)

7.5

deg

Orbit period (P)

460.6

Earth MOID

0.02122

U parameter

6.8

Next Earth close approach

Date

2030-07-13

Nominal distance (from Earth center)

0.1374

20554773

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.8

mag

Diameter

19 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-26

Observatory

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.167226

1-sigma variation

0.000137

Unit

Eccentricity (e)

Value

0.181192

1-sigma variation

0.000115

Unit

Inclination (i)

Value

7.5317

1-sigma variation

0.0042

Unit

Long. of Ascending Node (Ω)

Value

344.1795

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

235.8231

1-sigma variation

0.0009

Unit

Mean Anomaly (M)

Value

163.73003

1-sigma variation

0.02743

Unit

Perihelion distance

Value

0.955734

1-sigma variation

Unit

Aphelion distance

Value

1.378718

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.248336

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.031883

1-sigma variation

Unit

MOID

Value

0.021225

1-sigma variation

Unit

Orbit Period

Value

460.6072

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.87497E-8	1.57512E-8	5.70398E-7	-1.04734E-8	1.21958E-7	-3.75635E-6
e	1.57512E-8	1.32323E-8	4.79176E-7	-8.79754E-9	1.02470E-7	-3.15563E-6
i	5.70398E-7	4.79176E-7	1.73532E-5	-3.18770E-7	3.71075E-6	-1.14275E-4
Ω	-1.04734E-8	-8.79754E-9	-3.18770E-7	5.90680E-9	-6.80752E-8	2.09827E-6
ω	1.21958E-7	1.02470E-7	3.71075E-6	-6.80752E-8	7.99895E-7	-2.44374E-5
M	-3.75635E-6	-3.15563E-6	-1.14275E-4	2.09827E-6	-2.44374E-5	7.52556E-4

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

25.782

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

19 - 40*

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

Unit

Source

[1]

Unobserved

Value

244

Unit

Source

[1]

Normalized RMS of residuals

Value

0.689639

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-26.286622

Unit

Source

[2]

Last Observation

Value

2025-03-11.17128

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

107 (4)

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 2025DC22 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	1957-03-03 04:42	1401.0	0.1362464	0.0672870	0.0231382
EARTH	1962-03-16 12:45	> 1 d	0.0462845	0.0186343	0.0382541
EARTH	1962-08-09 11:31	> 1 w	0.1974712	0.1530449	0.0235426
EARTH	1967-07-13 02:56	918.6	0.1278173	0.1214587	0.0098732
EARTH	1991-03-02 19:35	1122.1	0.1545324	0.0966965	0.0193327
EARTH	1996-03-21 08:05	> 1 d	0.0740689	0.0111483	0.0249916
EARTH	1996-08-03 02:27	> 1 w	0.1808754	0.1472327	0.0152406
EARTH	2001-07-14 09:44	860.4	0.1552057	0.1234083	0.0151520
EARTH	2025-03-12 17:04	< 1 min	0.0236999	0.0236602	0.0000132
EARTH	2030-07-13 21:35	179.7	0.1374002	0.1300447	0.0027019
EARTH	2049-03-03 09:29	> 1 d	0.1395857	0.0682727	0.0239563
EARTH	2054-05-03 11:44	> 1 w	0.1309285	0.1057292	0.0099694
EARTH	2054-07-18 11:04	> 1 d	0.1402304	0.1217576	0.0113829
EARTH	2078-03-13 14:23	> 1 d	0.0269648	0.0226530	0.0076299
EARTH	2083-07-16 05:29	1412.6	0.1733540	0.1161278	0.0340339
EARTH	2102-03-28 10:31	> 1 mo	0.0907296	0.0014722	0.1196615
EARTH	2102-07-31 15:50	> 1 mo	0.1717654	0.1353273	0.0779677
EARTH	2121-03-06 07:20	> 1 d	0.1067270	0.0196184	0.0574391

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
318.55615028	68.03356727	0.02184416	MINIMUM
60.02652149	187.69820115	0.12020932	MINIMUM
23.55275186	145.34126237	0.13581167	SADDLE
188.40905264	305.18846412	0.40980993	SADDLE
5.54100766	303.46823397	1.94426023	SADDLE
182.19333156	120.02931758	2.38345449	MAXIMUM

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MOID Plots

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