Asteroids

2025CO1 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Amor

Perihelion (q)

1.028

Aphelion (Q)

3.944

Eccentricity (e)

0.586

Inclination (i)

3.1

deg

Orbit period (P)

1431.8

Earth MOID

0.04170

U parameter

7.7

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-05

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

2.486075

1-sigma variation

0.003362

Unit

Eccentricity (e)

Value

0.586299

1-sigma variation

0.000546

Unit

Inclination (i)

Value

3.0959

1-sigma variation

0.0021

Unit

Long. of Ascending Node (Ω)

Value

138.0223

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

17.2933

1-sigma variation

0.0026

Unit

Mean Anomaly (M)

Value

18.05348

1-sigma variation

0.03677

Unit

Perihelion distance

Value

1.028490

1-sigma variation

Unit

Aphelion distance

Value

3.943659

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.059482

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.691341

1-sigma variation

Unit

MOID

Value

0.041697

1-sigma variation

Unit

Orbit Period

Value

1431.7582

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.13023E-5	1.83648E-6	7.15574E-6	-1.29620E-6	8.62640E-6	-1.23611E-4
e	1.83648E-6	2.98404E-7	1.16271E-6	-2.10615E-7	1.40168E-6	-2.00851E-5
i	7.15574E-6	1.16271E-6	4.53063E-6	-8.20498E-7	5.46106E-6	-7.82604E-5
Ω	-1.29620E-6	-2.10615E-7	-8.20498E-7	1.49608E-7	-9.89834E-7	1.41761E-5
ω	8.62640E-6	1.40168E-6	5.46106E-6	-9.89834E-7	6.59490E-6	-9.43469E-5
M	-1.23611E-4	-2.00851E-5	-7.82604E-5	1.41761E-5	-9.43469E-5	1.35190E-3

Date of computation: 2025-02-19 16:27 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

25.624

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

20 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.610955

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-01-26.26058

Unit

Source

[2]

Last Observation

Value

2025-02-18.430219

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

38 (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 2025CO1 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	1982-03-27 12:59	> 1 mo	0.1074647	0.0294039	0.3660058
EARTH	2025-02-16 05:07	< 1 min	0.0464564	0.0463414	0.0000383
4 Vesta	2112-10-26 17:43	> 1 w	0.0161359	0.0118217	0.2012951

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
359.39506911	51.16854220	0.04169734	MINIMUM
1.06646667	234.39228422	2.03796939	SADDLE
180.28816074	233.39267669	2.93416849	SADDLE
180.24697137	53.36789271	4.93366480	MAXIMUM

Download:

MOID Plots

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