Asteroids

2025CR help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.706

Aphelion (Q)

1.475

Eccentricity (e)

0.353

Inclination (i)

1.9

deg

Orbit period (P)

416.1

Earth MOID

0.00645

U parameter

7.7

Next Earth close approach

Date

2033-02-08

Nominal distance (from Earth center)

0.12974

19408705

Maximum Brightness

24.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-02

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

1.090802

1-sigma variation

0.000419

Unit

Eccentricity (e)

Value

0.352604

1-sigma variation

0.000632

Unit

Inclination (i)

Value

1.8956

1-sigma variation

0.0038

Unit

Long. of Ascending Node (Ω)

Value

314.0773

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

286.9149

1-sigma variation

0.0073

Unit

Mean Anomaly (M)

Value

185.25447

1-sigma variation

0.07659

Unit

Perihelion distance

Value

0.706181

1-sigma variation

Unit

Aphelion distance

Value

1.475424

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.148731

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.077750

1-sigma variation

Unit

MOID

Value

0.006449

1-sigma variation

Unit

Orbit Period

Value

416.1190

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.75602E-7	2.64690E-7	1.58525E-6	-1.14623E-7	3.06094E-6	-3.20960E-5
e	2.64690E-7	3.98989E-7	2.38964E-6	-1.72761E-7	4.61527E-6	-4.83792E-5
i	1.58525E-6	2.38964E-6	1.43127E-5	-1.03402E-6	2.76461E-5	-2.89747E-4
Ω	-1.14623E-7	-1.72761E-7	-1.03402E-6	7.78103E-8	-1.99956E-6	2.09507E-5
ω	3.06094E-6	4.61527E-6	2.76461E-5	-1.99956E-6	5.35055E-5	-5.59451E-4
M	-3.20960E-5	-4.83792E-5	-2.89747E-4	2.09507E-5	-5.59451E-4	5.86643E-3

Date of computation: 2025-11-24 16:53 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

25.373

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

22 - 50*

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

364

Unit

Source

[1]

Normalized RMS of residuals

Value

0.575803

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-02.261889

Unit

Source

[2]

Last Observation

Value

2025-02-16.130539

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

49 (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 2025CR 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	1955-10-28 11:54	> 1 mo	0.0335425	0.0080327	1.8348060
EARTH	1961-09-06 10:16	> 1 mo	0.0968793	0.0121513	5.1420795
EARTH	1969-08-29 12:52	> 1 mo	0.0693114	0.0126889	4.6654478
EARTH	1976-02-17 19:41	> 1 mo	0.0598717	0.0040321	1.8192902
EARTH	1984-02-12 11:34	> 1 mo	0.0590111	0.0042933	3.5258273
VENUS	1986-07-30 03:31	> 1 mo	0.0364102	0.0158389	1.8676071
MARS	1987-01-27 15:53	> 1 mo	0.0485756	0.0055419	0.4745853
EARTH	2002-09-07 18:56	> 1 mo	0.1163108	0.0132777	1.7671655
VENUS	2009-05-22 01:53	> 1 mo	0.0167234	0.0067876	0.2729739
EARTH	2010-09-01 00:03	> 1 w	0.0308445	0.0126230	0.2991862
VENUS	2017-05-16 23:53	> 1 d	0.0088831	0.0071319	0.0150986
EARTH	2018-08-28 14:07	> 1 d	0.0929677	0.0200524	0.0257038
MARS	2024-10-02 17:08	878.0	0.0488903	0.0483420	0.0001843
EARTH	2025-02-15 22:04	< 1 min	0.0333038	0.0331256	0.0000594
EARTH	2033-02-08 16:08	> 1 d	0.1297392	0.0440364	0.0286341
VENUS	2048-02-06 20:27	> 1 w	0.0340771	0.0114288	0.0184146
EARTH	2051-09-07 05:12	1120.8	0.0985634	0.0480370	0.0170281
EARTH	2059-08-30 06:26	> 1 d	0.0700983	0.0146002	0.0306569
EARTH	2066-02-17 03:50	> 1 d	0.0522436	0.0069017	0.0558410
VENUS	2070-12-01 11:05	> 1 d	0.0422778	0.0044138	0.0472854
EARTH	2074-02-11 10:17	489.4	0.0788214	0.0602332	0.0062094
VENUS	2078-11-10 18:09	> 1 w	0.0339174	0.0106568	0.0357932
EARTH	2092-09-09 14:36	> 1 d	0.1634620	0.0151912	0.1086965
EARTH	2100-09-02 19:50	> 1 d	0.0167994	0.0153888	0.0348673
MARS	2105-08-16 01:24	> 1 mo	0.0420005	0.0395607	0.0377147
EARTH	2107-02-24 06:45	> 1 w	0.1446107	0.0055147	0.3965373
EARTH	2108-08-18 11:38	> 1 mo	0.1709490	0.0211080	0.4278241
VENUS	2109-07-31 06:52	> 1 mo	0.0474938	0.0439822	0.1304048
EARTH	2115-02-14 08:43	> 1 mo	0.0399495	0.0082308	0.7871299

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
285.37484887	43.45794608	0.00644903	MINIMUM
77.64654386	239.14840738	0.01443182	MINIMUM
2.15968536	141.94460967	0.30918427	SADDLE
181.01291299	320.82016286	0.48943347	SADDLE
2.22982514	322.07205355	1.69333980	SADDLE
181.15986639	140.93225284	2.48924101	MAXIMUM

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MOID Plots

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