Asteroids

2025CK1 help

Last update: 2025-03-13 15:55 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.905

Aphelion (Q)

2.665

Eccentricity (e)

0.493

Inclination (i)

0.9

deg

Orbit period (P)

871.3

Earth MOID

0.00907

U parameter

7.2

Next Earth close approach

Date

2044-05-18

Nominal distance (from Earth center)

0.10357

15493679

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.6

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-04

Observatory

Kitt Peak-Bok

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

1.785313

1-sigma variation

0.000716

Unit

Eccentricity (e)

Value

0.492899

1-sigma variation

0.000219

Unit

Inclination (i)

Value

0.8647

1-sigma variation

0.0007

Unit

Long. of Ascending Node (Ω)

Value

100.9490

1-sigma variation

0.0228

Unit

Arg. of Perihelion (ω)

Value

78.6533

1-sigma variation

0.0240

Unit

Mean Anomaly (M)

Value

23.07817

1-sigma variation

0.01292

Unit

Perihelion distance

Value

0.905333

1-sigma variation

Unit

Aphelion distance

Value

2.665292

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.251332

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.476177

1-sigma variation

Unit

MOID

Value

0.009072

1-sigma variation

Unit

Orbit Period

Value

871.3045

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.12059E-7	1.56482E-7	3.40912E-7	4.70008E-6	-3.90133E-6	-9.24037E-6
e	1.56482E-7	4.78348E-8	1.02405E-7	1.35469E-6	-1.10432E-6	-2.82538E-6
i	3.40912E-7	1.02405E-7	4.53684E-7	1.35275E-5	-1.37324E-5	-5.96598E-6
Ω	4.70008E-6	1.35469E-6	1.35275E-5	5.20161E-4	-5.46698E-4	-7.62659E-5
ω	-3.90133E-6	-1.10432E-6	-1.37324E-5	-5.46698E-4	5.77092E-4	6.11926E-5
M	-9.24037E-6	-2.82538E-6	-5.96598E-6	-7.62659E-5	6.11926E-5	1.66914E-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

27.633

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

8 - 18*

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

0.8

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.653337

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-04.424261

Unit

Source

[2]

Last Observation

Value

2025-02-05.23334

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

47 (1)

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 2025CK1 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	1953-03-05 20:37	> 1 w	0.0832180	0.0323857	0.0169474
EARTH	1965-03-30 23:08	> 1 w	0.0904789	0.0792638	0.0037756
EARTH	1977-04-27 01:47	1424.2	0.0442109	0.0337555	0.0035288
EARTH	1989-05-03 14:31	> 1 d	0.0198717	0.0136595	0.0164455
16 Psyche	1994-12-17 11:17	> 1 d	0.0141688	0.0038382	0.0131365
EARTH	2001-04-03 00:55	> 1 w	0.0868199	0.0585540	0.0095071
EARTH	2013-02-23 03:18	> 1 w	0.0615621	0.0081632	0.0257817
EARTH	2025-02-06 06:19	< 1 min	0.0105167	0.0105039	0.0000043
MARS	2027-11-05 23:06	495.8	0.0440328	0.0359018	0.0043968
EARTH	2044-05-18 12:03	> 1 d	0.1035689	0.0121145	0.0675152
EARTH	2056-02-14 09:37	> 1 w	0.0345677	0.0088942	0.0462694
EARTH	2087-05-09 19:48	> 1 mo	0.0133469	0.0120369	0.1790969
MARS	2089-12-02 00:51	> 1 mo	0.0349154	0.0347737	0.1539149
EARTH	2099-04-10 04:42	> 1 mo	0.0884176	0.0116005	3.2866312
EARTH	2111-02-20 19:12	> 1 mo	0.0581994	0.0094539	10.5236716
EARTH	2123-01-30 23:35	> 1 mo	0.0662954	0.0088888	2.5691485

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
335.11244644	35.34417273	0.00907172	MINIMUM
28.12502195	123.10505012	0.01240724	MINIMUM
1.82712878	79.48666096	0.09232695	SADDLE
180.61093245	258.06544720	1.66214622	SADDLE
1.80069701	259.43540405	1.90841228	SADDLE
180.60325858	78.05864302	3.66158513	MAXIMUM

Download:

MOID Plots

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