Asteroids

2025KS1 help

Last update: 2025-05-24 12:45 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.630

Aphelion (Q)

1.070

Eccentricity (e)

0.259

Inclination (i)

2.6

deg

Orbit period (P)

286.2

Earth MOID

0.00110

U parameter

5.5

Next Earth close approach

Date

2029-07-29

Nominal distance (from Earth center)

0.19991

29906198

Maximum Brightness

26.6

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-23

Observatory

ATLAS-MLO, Mauna Loa

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

0.849943

1-sigma variation

0.000010

Unit

Eccentricity (e)

Value

0.258517

1-sigma variation

0.000019

Unit

Inclination (i)

Value

2.6452

1-sigma variation

0.0008

Unit

Long. of Ascending Node (Ω)

Value

242.6828

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

211.8354

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

105.54210

1-sigma variation

0.00149

Unit

Perihelion distance

Value

0.630219

1-sigma variation

Unit

Aphelion distance

Value

1.069667

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.004128

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.337041

1-sigma variation

Unit

MOID

Value

0.001099

1-sigma variation

Unit

Orbit Period

Value

286.2088

1-sigma variation

Unit

U parameter

Value

5.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.08112E-11	-1.83815E-10	-6.72928E-9	2.43958E-9	1.60178E-9	1.37858E-8
e	-1.83815E-10	3.72792E-10	1.33694E-8	-4.87178E-9	-3.14805E-9	-2.81975E-8
i	-6.72928E-9	1.33694E-8	5.99525E-7	-2.07423E-7	-1.49689E-7	-9.17294E-7
Ω	2.43958E-9	-4.87178E-9	-2.07423E-7	7.25826E-8	5.11905E-8	3.42855E-7
ω	1.60178E-9	-3.14805E-9	-1.49689E-7	5.11905E-8	4.07415E-8	2.05312E-7
M	1.37858E-8	-2.81975E-8	-9.17294E-7	3.42855E-7	2.05312E-7	2.21194E-6

Date of computation: 2025-05-24 12:45 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

26.7

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

12 - 27*

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

0.271768

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-23.335108

Unit

Source

[2]

Last Observation

Value

2025-05-24.111658

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

137 (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 2025KS1 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	1950-06-27 19:04	> 1 mo	0.0607113	0.0575797	6.9315578
EARTH	1954-08-07 11:41	> 1 mo	0.0865348	0.0266548	146.2606279
EARTH	1969-05-23 03:30	> 1 w	0.0025765	0.0025727	0.0111614
EARTH	1973-07-14 10:40	> 1 mo	0.0582693	0.0461966	0.0711007
EARTH	1977-08-06 18:21	369.3	0.0937608	0.0405707	0.2359396
VENUS	1982-07-19 09:18	> 1 mo	0.0468218	0.0432582	0.0666697
EARTH	1992-05-20 12:01	> 1 d	0.1572592	0.0048058	0.0512613
EARTH	1996-05-23 01:07	286.3	0.0038851	0.0020687	0.0010386
EARTH	2007-07-08 14:06	762.9	0.0566766	0.0560237	0.0002225
EARTH	2014-05-20 10:48	35.2	0.1709310	0.1677743	0.0010523
EARTH	2018-08-02 17:01	13.1	0.0821249	0.0802894	0.0006146
VENUS	2021-11-24 17:12	85.4	0.0489176	0.0488258	0.0000355
EARTH	2025-05-22 15:26	< 1 min	0.0009767	0.0009765	0.0000001
EARTH	2029-07-29 16:15	9.6	0.1998465	0.1989530	0.0002979
EARTH	2036-05-18 10:37	19.0	0.0614419	0.0588535	0.0008629
EARTH	2040-07-31 01:18	5.5	0.1273048	0.1258419	0.0004889
EARTH	2047-05-20 05:30	3.7	0.1640109	0.1637907	0.0000734
EARTH	2051-07-25 00:37	64.2	0.0704363	0.0703393	0.0000336
EARTH	2062-06-25 08:35	739.5	0.0659536	0.0653063	0.0002201
EARTH	2073-05-29 05:12	524.3	0.0299401	0.0268464	0.0010318
EARTH	2084-06-05 13:38	> 1 d	0.0462803	0.0406132	0.0018981
EARTH	2095-07-03 15:43	> 1 d	0.0678400	0.0673036	0.0002734
EARTH	2106-07-27 01:14	1205.2	0.0721826	0.0690843	0.0017354
EARTH	2113-05-19 06:13	147.0	0.1212381	0.0950104	0.0087433
EARTH	2117-07-31 07:03	71.3	0.1406671	0.1184969	0.0076525
EARTH	2124-05-21 07:00	887.7	0.0122661	0.0013732	0.0063704

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
137.72310119	138.61049356	0.00109869	MINIMUM
219.52546523	203.46256343	0.04187732	MINIMUM
183.78242331	175.08280481	0.05957849	SADDLE
359.82604012	352.22806087	0.35407922	SADDLE
359.29661507	171.56260625	1.64625494	SADDLE
179.43913607	351.70245032	2.05331662	MAXIMUM

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MOID Plots

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