Asteroids

2025PM help

Last update: 2025-08-16 13:34 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.791

Aphelion (Q)

2.529

Eccentricity (e)

0.524

Inclination (i)

2.1

deg

Orbit period (P)

781.3

Earth MOID

0.00238

U parameter

6.9

Next Earth close approach

Date

2028-01-08

Nominal distance (from Earth center)

0.12443

18614266

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.2

mag

Diameter

40 - 90*

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.660093

1-sigma variation

0.000409

Unit

Eccentricity (e)

Value

0.523581

1-sigma variation

0.000138

Unit

Inclination (i)

Value

2.1268

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

328.3753

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

65.2069

1-sigma variation

0.0009

Unit

Mean Anomaly (M)

Value

22.17485

1-sigma variation

0.00625

Unit

Perihelion distance

Value

0.790900

1-sigma variation

Unit

Aphelion distance

Value

2.529285

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.024639

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.555645

1-sigma variation

Unit

MOID

Value

0.002381

1-sigma variation

Unit

Orbit Period

Value

781.2623

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.67351E-7	5.64656E-8	1.74094E-7	1.06389E-7	-3.59958E-7	-2.55560E-6
e	5.64656E-8	1.90520E-8	5.87418E-8	3.58907E-8	-1.21433E-7	-8.62278E-7
i	1.74094E-7	5.87418E-8	1.81215E-7	1.10299E-7	-3.73831E-7	-2.65859E-6
Ω	1.06389E-7	3.58907E-8	1.10299E-7	6.91811E-8	-2.31565E-7	-1.62454E-6
ω	-3.59958E-7	-1.21433E-7	-3.73831E-7	-2.31565E-7	7.81059E-7	5.49639E-6
M	-2.55560E-6	-8.62278E-7	-2.65859E-6	-1.62454E-6	5.49639E-6	3.90261E-5

Date of computation: 2025-08-16 13:34 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

24.203

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

40 - 90*

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

0.459034

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-01.320162

Unit

Source

[2]

Last Observation

Value

2025-08-16.31321

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

78 (2)

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 2025PM 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
MARS	1956-06-03 09:43	> 1 d	0.0170456	0.0018548	0.0435717
EARTH	1958-12-05 15:36	> 1 w	0.1421122	0.0573181	0.0292774
EARTH	1971-09-17 09:47	> 1 d	0.1582581	0.1406148	0.0058858
EARTH	1984-08-09 10:44	> 1 d	0.1037619	0.0035143	0.0625424
EARTH	1987-01-08 12:31	> 1 d	0.1509966	0.0280487	0.0661390
EARTH	1999-12-10 10:20	> 1 w	0.1285252	0.0280208	0.0422533
EARTH	2012-10-08 10:55	> 1 w	0.1961147	0.1771883	0.0063386
EARTH	2025-08-17 09:02	< 1 s	0.0070337	0.0070286	0.0000017
EARTH	2028-01-08 05:05	407.7	0.1244287	0.1100986	0.0047930
MARS	2029-10-08 07:22	574.5	0.0461058	0.0216507	0.0081754
EARTH	2040-08-06 21:10	> 1 d	0.1517419	0.0607511	0.0303412
EARTH	2042-12-28 16:01	> 1 d	0.0350540	0.0277720	0.0199064
EARTH	2057-11-13 10:07	> 1 mo	0.1925004	0.0867182	0.0367764
EARTH	2072-09-17 21:11	> 1 mo	0.1600796	0.0154117	0.1361706
MARS	2076-10-17 09:00	> 1 w	0.0159728	0.0044256	0.2153974
EARTH	2087-08-11 22:04	> 1 d	0.0908873	0.0011542	0.0529327
EARTH	2090-01-01 13:06	> 1 w	0.0324560	0.0269727	0.0654929
EARTH	2104-11-22 12:59	> 1 mo	0.1798652	0.0329523	0.2757863
EARTH	2119-09-28 17:13	> 1 mo	0.1788392	0.0228217	0.4411204

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
318.10945742	224.18252169	0.00238144	MINIMUM
39.03034084	357.08013813	0.02809196	MINIMUM
358.35060132	290.48201548	0.20565191	SADDLE
179.43608905	111.58191193	1.52304401	SADDLE
358.10119351	110.05318935	1.79763015	SADDLE
179.39615570	291.56416540	3.52314652	MAXIMUM

Download:

MOID Plots

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