Asteroids

2025CR help

Last update: 2025-02-22 05:33 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.706

Aphelion (Q)

1.476

Eccentricity (e)

0.353

Inclination (i)

1.9

deg

Orbit period (P)

416.2

Earth MOID

0.00645

U parameter

7.7

Next Earth close approach

Date

2033-02-08

Nominal distance (from Earth center)

0.12975

19409595

Maximum Brightness

23.9

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.2

mag

Diameter

24 - 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.090920

1-sigma variation

0.000418

Unit

Eccentricity (e)

Value

0.352704

1-sigma variation

0.000631

Unit

Inclination (i)

Value

1.8957

1-sigma variation

0.0038

Unit

Long. of Ascending Node (Ω)

Value

314.0828

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

286.9210

1-sigma variation

0.0073

Unit

Mean Anomaly (M)

Value

12.21044

1-sigma variation

0.02316

Unit

Perihelion distance

Value

0.706148

1-sigma variation

Unit

Aphelion distance

Value

1.475692

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.146935

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.077631

1-sigma variation

Unit

MOID

Value

0.006451

1-sigma variation

Unit

Orbit Period

Value

416.1863

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.74951E-7	2.63991E-7	1.58177E-6	-1.23502E-7	3.04011E-6	9.68859E-6
e	2.63991E-7	3.98363E-7	2.38694E-6	-1.86345E-7	4.58878E-6	1.46198E-5
i	1.58177E-6	2.38694E-6	1.43028E-5	-1.11587E-6	2.74996E-5	8.75985E-5
Ω	-1.23502E-7	-1.86345E-7	-1.11587E-6	9.01713E-8	-2.14768E-6	-6.83923E-6
ω	3.04011E-6	4.58878E-6	2.74996E-5	-2.14768E-6	5.29774E-5	1.68377E-4
M	9.68859E-6	1.46198E-5	8.75985E-5	-6.83923E-6	1.68377E-4	5.36547E-4

Date of computation: 2025-02-19 15:19 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

25.236

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

24 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.575801

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 2125

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 18:47	> 1 mo	0.0331410	0.0072517	1.9931298
EARTH	1961-09-06 11:29	> 1 mo	0.0979783	0.0121748	5.3282628
EARTH	1969-08-29 14:13	> 1 mo	0.0683282	0.0126752	4.7004673
EARTH	1976-02-17 20:05	> 1 mo	0.0602360	0.0040360	1.6519623
EARTH	1984-02-12 10:45	> 1 mo	0.0597573	0.0043006	3.5838905
VENUS	1986-07-29 19:32	> 1 mo	0.0367984	0.0169293	1.8315471
MARS	1987-01-27 20:42	> 1 mo	0.0484763	0.0039960	0.4718964
EARTH	2002-09-07 18:32	> 1 mo	0.1159398	0.0132720	1.7686279
VENUS	2009-05-22 02:08	> 1 mo	0.0167808	0.0067826	0.2739809
EARTH	2010-09-01 00:08	> 1 w	0.0307816	0.0126236	0.2999461
VENUS	2017-05-16 23:55	> 1 d	0.0088800	0.0071322	0.0150884
EARTH	2018-08-28 14:07	> 1 d	0.0929622	0.0200485	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	0.1297451	0.0440422	0.0286341
VENUS	2048-02-06 20:23	> 1 w	0.0340809	0.0114372	0.0184094
EARTH	2051-09-07 05:12	1121.0	0.0985599	0.0480260	0.0170307
EARTH	2059-08-30 06:26	> 1 d	0.0700920	0.0146001	0.0306405
EARTH	2066-02-17 03:51	> 1 d	0.0522550	0.0069016	0.0558194
VENUS	2070-12-01 11:07	> 1 d	0.0422876	0.0044128	0.0472862
EARTH	2074-02-11 10:17	487.4	0.0788227	0.0603250	0.0061790
VENUS	2078-11-10 18:01	> 1 w	0.0339247	0.0106726	0.0357497
EARTH	2092-09-09 14:35	> 1 d	0.1634396	0.0151923	0.1087578
EARTH	2100-09-02 19:49	> 1 d	0.0168066	0.0153887	0.0349949
MARS	2105-08-16 01:38	> 1 mo	0.0420083	0.0395565	0.0377618
EARTH	2107-02-24 06:31	> 1 w	0.1445289	0.0055169	0.3958614
EARTH	2108-08-18 10:48	> 1 mo	0.1710371	0.0211315	0.4268732
VENUS	2109-07-31 06:04	> 1 mo	0.0475207	0.0440114	0.1302579
EARTH	2115-02-14 08:32	> 1 mo	0.0401119	0.0082310	0.7856961

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
285.43734450	42.64602161	0.00645090	MINIMUM
77.46633656	237.99747372	0.01429699	MINIMUM
2.07477928	140.93558826	0.30741280	SADDLE
180.97246261	319.85827438	0.48965322	SADDLE
2.15122584	321.06971471	1.69336427	SADDLE
181.11589426	139.96683711	2.48770686	MAXIMUM

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MOID Plots

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