Asteroids

2025OK1 help

Last update: 2025-07-31 14:13 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.601

Aphelion (Q)

1.036

Eccentricity (e)

0.266

Inclination (i)

10.4

deg

Orbit period (P)

270.6

Earth MOID

0.01411

U parameter

6.4

Next Earth close approach

Date

2028-08-24

Nominal distance (from Earth center)

0.16442

24597122

Maximum Brightness

24.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

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

0.818740

1-sigma variation

0.000032

Unit

Eccentricity (e)

Value

0.265713

1-sigma variation

0.000057

Unit

Inclination (i)

Value

10.4194

1-sigma variation

0.0033

Unit

Long. of Ascending Node (Ω)

Value

122.5630

1-sigma variation

1.985E-5

Unit

Arg. of Perihelion (ω)

Value

10.0753

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

54.86741

1-sigma variation

0.00884

Unit

Perihelion distance

Value

0.601190

1-sigma variation

Unit

Aphelion distance

Value

1.036291

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.381471

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.015254

1-sigma variation

Unit

MOID

Value

0.014109

1-sigma variation

Unit

Orbit Period

Value

270.5937

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.03920E-9	-1.85135E-9	-1.07383E-7	6.28057E-10	-1.41916E-8	2.84823E-7
e	-1.85135E-9	3.29825E-9	1.91310E-7	-1.11904E-9	2.53064E-8	-5.07457E-7
i	-1.07383E-7	1.91310E-7	1.10975E-5	-6.49658E-8	1.46856E-6	-2.94350E-5
Ω	6.28057E-10	-1.11904E-9	-6.49658E-8	3.94176E-10	-8.67772E-9	1.72285E-7
ω	-1.41916E-8	2.53064E-8	1.46856E-6	-8.67772E-9	2.06274E-7	-3.91065E-6
M	2.84823E-7	-5.07457E-7	-2.94350E-5	1.72285E-7	-3.91065E-6	7.80998E-5

Date of computation: 2025-07-31 14:13 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

25.319

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

23 - 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

0.50329

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-07-20.327889

Unit

Source

[2]

Last Observation

Value

2025-07-27.946093

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

151 (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 2025OK1 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	1962-07-19 07:11	> 1 d	0.0376026	0.0178793	0.0410607
EARTH	1965-08-19 12:00	> 1 d	0.1122400	0.0664955	0.0354308
EARTH	1982-07-22 04:03	> 1 d	0.0189029	0.0146909	0.0109381
EARTH	1985-08-19 02:51	> 1 d	0.1120178	0.0754382	0.0147743
EARTH	2002-07-13 18:54	31.5	0.1502804	0.1271774	0.0077495
EARTH	2005-07-26 04:43	1191.8	0.0180269	0.0145023	0.0025135
EARTH	2008-08-24 00:04	288.8	0.1582730	0.1468806	0.0038617
EARTH	2022-07-13 15:20	8.6	0.1790070	0.1761315	0.0009589
EARTH	2025-07-24 18:51	< 1 min	0.0146477	0.0146357	0.0000040
EARTH	2028-08-24 01:58	45.9	0.1644216	0.1620032	0.0008081
EARTH	2042-07-15 04:59	361.3	0.0812852	0.0664857	0.0049951
EARTH	2045-08-12 21:20	1141.4	0.0849917	0.0740635	0.0037860
EARTH	2059-07-13 16:51	57.9	0.1987035	0.1816573	0.0056948
EARTH	2062-07-23 09:36	1104.6	0.0139831	0.0138543	0.0006165
EARTH	2065-08-22 01:51	> 1 d	0.1418900	0.0985391	0.0165472
EARTH	2079-07-13 13:01	244.7	0.1723300	0.0383544	0.0889628
EARTH	2082-07-26 19:33	> 1 w	0.0205437	0.0143208	0.0588886
EARTH	2085-08-24 19:22	> 1 d	0.1896895	0.0907281	0.0818256
EARTH	2099-07-23 08:08	> 1 d	0.0135069	0.0132098	0.0078221
EARTH	2102-08-23 20:06	> 1 w	0.1587090	0.0857774	0.1390710
EARTH	2116-07-13 21:54	> 1 w	0.1142065	0.0312856	0.6644014
EARTH	2119-08-06 18:55	> 1 mo	0.0587683	0.0305527	0.4741037

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
164.46741577	198.86824065	0.01410935	MINIMUM
10.28561980	42.49509791	0.38734554	SADDLE
4.35655741	214.96569681	1.61460059	SADDLE
181.04623142	31.48727678	2.02193640	MAXIMUM

Download:

MOID Plots

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