Asteroids

2025KD help

Last update: 2025-05-23 12:45 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.976

Aphelion (Q)

1.820

Eccentricity (e)

0.302

Inclination (i)

6.6

deg

Orbit period (P)

603.7

Earth MOID

0.00147

U parameter

6.4

Next Earth close approach

Date

2030-05-27

Nominal distance (from Earth center)

0.06457

9659427

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.8

mag

Diameter

18 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-18

Observatory

Catalina Sky 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

1.397865

1-sigma variation

0.000118

Unit

Eccentricity (e)

Value

0.301629

1-sigma variation

0.000061

Unit

Inclination (i)

Value

6.6131

1-sigma variation

0.0010

Unit

Long. of Ascending Node (Ω)

Value

235.6187

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

327.4580

1-sigma variation

0.0010

Unit

Mean Anomaly (M)

Value

9.80370

1-sigma variation

0.00219

Unit

Perihelion distance

Value

0.976228

1-sigma variation

Unit

Aphelion distance

Value

1.819503

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.002093

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.715171

1-sigma variation

Unit

MOID

Value

0.001470

1-sigma variation

Unit

Orbit Period

Value

603.6657

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.39421E-8	7.24731E-9	1.19489E-7	-1.12715E-8	1.12199E-7	-2.58238E-7
e	7.24731E-9	3.76731E-9	6.21163E-8	-5.85810E-9	5.82995E-8	-1.34225E-7
i	1.19489E-7	6.21163E-8	1.02456E-6	-9.64703E-8	9.59208E-7	-2.21212E-6
Ω	-1.12715E-8	-5.85810E-9	-9.64703E-8	9.15400E-9	-9.13022E-8	2.09035E-7
ω	1.12199E-7	5.82995E-8	9.59208E-7	-9.13022E-8	9.16543E-7	-2.08437E-6
M	-2.58238E-7	-1.34225E-7	-2.21212E-6	2.09035E-7	-2.08437E-6	4.78595E-6

Date of computation: 2025-05-23 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

25.81

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

18 - 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

[-]

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

0.5

Unit

Source

[1]

Normalized RMS of residuals

Value

0.573123

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-18.306842

Unit

Source

[2]

Last Observation

Value

2025-05-23.4026

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

182 (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 2025KD 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	1954-04-11 06:54	> 1 w	0.0756978	0.0518821	0.0308075
EARTH	1987-06-06 18:24	1111.0	0.1676076	0.1329699	0.0115587
EARTH	1992-04-27 11:20	> 1 w	0.0504885	0.0162566	0.0143919
EARTH	2025-05-18 05:05	< 1 s	0.0091859	0.0091811	0.0000016
EARTH	2030-05-27 18:56	647.6	0.0645693	0.0537267	0.0036160
EARTH	2035-06-07 23:58	391.2	0.1768994	0.1638199	0.0043615
EARTH	2092-03-08 09:12	135.6	0.1489101	0.1466483	0.0007587
EARTH	2097-03-31 20:26	149.3	0.0873628	0.0869287	0.0001458
EARTH	2102-04-28 23:11	110.8	0.0490169	0.0485137	0.0001678
EARTH	2107-05-09 16:38	272.4	0.0259124	0.0243347	0.0005261
EARTH	2112-04-21 00:44	485.8	0.0616033	0.0600346	0.0005260
EARTH	2117-03-22 17:11	721.1	0.1040903	0.1004309	0.0012644
EARTH	2122-03-04 13:50	385.3	0.1855907	0.1759995	0.0032364

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
23.76701293	132.21359213	0.00147007	MINIMUM
180.25794329	281.70764790	0.82707497	SADDLE
2.40862608	283.36372944	1.97176474	SADDLE
181.96344971	102.95451043	2.82154813	MAXIMUM

Download:

MOID Plots

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