Asteroids

2025CG2 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.683

Aphelion (Q)

3.811

Eccentricity (e)

0.696

Inclination (i)

4.0

deg

Orbit period (P)

1230.1

Earth MOID

0.00402

U parameter

8.7

Next Earth close approach

Date

2045-08-07

Nominal distance (from Earth center)

0.13444

20112434

Maximum Brightness

22.3

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

23.7

mag

Diameter

50 - 110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-05

Observatory

Pan-STARRS 2, 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.246753

1-sigma variation

0.012672

Unit

Eccentricity (e)

Value

0.696168

1-sigma variation

0.001893

Unit

Inclination (i)

Value

3.9702

1-sigma variation

0.0112

Unit

Long. of Ascending Node (Ω)

Value

124.2851

1-sigma variation

0.0210

Unit

Arg. of Perihelion (ω)

Value

104.9371

1-sigma variation

0.0258

Unit

Mean Anomaly (M)

Value

9.15288

1-sigma variation

0.06256

Unit

Perihelion distance

Value

0.682636

1-sigma variation

Unit

Aphelion distance

Value

3.810871

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.427512

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.033969

1-sigma variation

Unit

MOID

Value

0.004021

1-sigma variation

Unit

Orbit Period

Value

1230.0749

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.60589E-4	2.39846E-5	1.41447E-4	2.65795E-4	-3.27202E-4	-7.92750E-4
e	2.39846E-5	3.58220E-6	2.11255E-5	3.96972E-5	-4.88677E-5	-1.18400E-4
i	1.41447E-4	2.11255E-5	1.24590E-4	2.34132E-4	-2.88239E-4	-6.98253E-4
Ω	2.65795E-4	3.96972E-5	2.34132E-4	4.40022E-4	-5.41767E-4	-1.31210E-3
ω	-3.27202E-4	-4.88677E-5	-2.88239E-4	-5.41767E-4	6.67176E-4	1.61522E-3
M	-7.92750E-4	-1.18400E-4	-6.98253E-4	-1.31210E-3	1.61522E-3	3.91342E-3

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

23.68

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

50 - 110*

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

0.543187

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-05.431252

Unit

Source

[2]

Last Observation

Value

2025-02-16.462516

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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 2025CG2 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	1953-12-03 11:57	> 1 mo	0.0273256	0.0112366	0.2121279
EARTH	2018-08-09 09:58	> 1 w	0.1826212	0.0024255	0.3605097
MARS	2018-09-11 03:43	> 1 w	0.0398551	0.0013696	0.3194896
EARTH	2025-02-18 13:39	< 1 min	0.0612783	0.0608388	0.0001465
EARTH	2045-08-07 11:44	> 1 mo	0.1344433	0.0045207	0.9970024
EARTH	2062-03-10 17:00	> 1 mo	0.1706730	0.0327803	1.0730068
65 Cybele	2074-05-21 01:22	> 1 mo	0.0013949	0.0007588	0.1824717
VENUS	2075-10-22 14:32	> 1 mo	0.0371455	0.0371415	0.0085034
EARTH	2109-07-22 22:04	> 1 mo	0.1022854	0.0100671	0.4283628

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
38.00134817	205.64487459	0.00402055	MINIMUM
323.32032083	50.07153243	0.03322830	MINIMUM
0.89179209	128.04405727	0.33183892	SADDLE
1.05023692	308.44697255	1.67163870	SADDLE
180.17414847	307.29328070	2.82383394	SADDLE
180.21849194	127.31590543	4.81884373	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out