Asteroids

2025PM1 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.642

Aphelion (Q)

1.058

Eccentricity (e)

0.245

Inclination (i)

4.5

deg

Orbit period (P)

286.2

Earth MOID

0.00853

U parameter

6.7

Next Earth close approach

Date

2032-06-22

Nominal distance (from Earth center)

0.15983

23909532

Maximum Brightness

25.2

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

25.8

mag

Diameter

19 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-08-06

Observatory

Pan-STARRS 2, Haleakala

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

0.849857

1-sigma variation

0.000057

Unit

Eccentricity (e)

Value

0.244697

1-sigma variation

0.000109

Unit

Inclination (i)

Value

4.4508

1-sigma variation

0.0026

Unit

Long. of Ascending Node (Ω)

Value

147.5853

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

336.0608

1-sigma variation

0.0018

Unit

Mean Anomaly (M)

Value

332.29867

1-sigma variation

0.01593

Unit

Perihelion distance

Value

0.641899

1-sigma variation

Unit

Aphelion distance

Value

1.057815

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.335804

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.016509

1-sigma variation

Unit

MOID

Value

0.008527

1-sigma variation

Unit

Orbit Period

Value

286.1655

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.22134E-9	-6.17541E-9	-1.46406E-7	2.52434E-8	-1.02024E-7	-9.04229E-7
e	-6.17541E-9	1.18385E-8	2.80665E-7	-4.83922E-8	1.95579E-7	1.73344E-6
i	-1.46406E-7	2.80665E-7	6.65398E-6	-1.14728E-6	4.63670E-6	4.10962E-5
Ω	2.52434E-8	-4.83922E-8	-1.14728E-6	1.97838E-7	-7.99555E-7	-7.08574E-6
ω	-1.02024E-7	1.95579E-7	4.63670E-6	-7.99555E-7	3.23211E-6	2.86365E-5
M	-9.04229E-7	1.73344E-6	4.10962E-5	-7.08574E-6	2.86365E-5	2.53819E-4

Date of computation: 2025-11-24 16:53 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

25.759

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

19 - 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

[-]

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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

173

Unit

Source

[1]

Normalized RMS of residuals

Value

0.653433

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-01.330162

Unit

Source

[2]

Last Observation

Value

2025-08-26.244722

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

88 (3)

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 2025PM1 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
VENUS	1953-01-13 17:04	> 1 d	0.0444432	0.0415666	0.0094118
EARTH	1953-09-01 15:03	730.6	0.1832065	0.1226779	0.0202157
EARTH	1960-08-01 06:02	> 1 d	0.0527575	0.0480801	0.0018051
EARTH	1971-09-02 22:00	580.8	0.0572144	0.0268843	0.0103911
EARTH	1978-06-28 03:32	> 1 d	0.0677055	0.0601698	0.0042775
EARTH	1989-08-18 06:36	> 1 d	0.0329034	0.0239571	0.0032152
VENUS	1996-04-24 11:18	1289.3	0.0242760	0.0059533	0.0062637
EARTH	2000-09-01 21:27	108.9	0.1058059	0.1020112	0.0012659
VENUS	2004-12-01 11:57	> 1 d	0.0399084	0.0170996	0.0076034
EARTH	2007-07-22 05:15	> 1 d	0.0557137	0.0540927	0.0007804
EARTH	2014-06-24 06:02	90.1	0.1641086	0.1492814	0.0049876
EARTH	2018-08-31 10:28	115.0	0.1827997	0.1710308	0.0039241
EARTH	2025-08-20 03:22	< 1 min	0.0248949	0.0248573	0.0000125
EARTH	2032-06-22 21:56	61.1	0.1598254	0.1487560	0.0037193
EARTH	2036-08-31 20:19	98.8	0.1306282	0.1137382	0.0056350
EARTH	2043-07-05 01:38	> 1 d	0.0595861	0.0591894	0.0005601
EARTH	2054-08-23 07:17	> 1 d	0.0163894	0.0100407	0.0043189
VENUS	2056-08-09 04:50	671.9	0.0050219	0.0050198	0.0001099
EARTH	2065-07-20 01:35	> 1 mo	0.0600362	0.0582737	0.0440999
VENUS	2076-04-15 06:30	> 1 mo	0.0113305	0.0046351	0.6461317
EARTH	2076-06-22 16:32	> 1 w	0.1001526	0.0604474	0.4331934
EARTH	2080-08-29 16:38	> 1 mo	0.1811342	0.0172992	4.1248426
EARTH	2087-07-07 00:04	> 1 mo	0.0615507	0.0609243	0.8321444
EARTH	2098-07-29 16:49	> 1 mo	0.0527448	0.0420816	3.9775212
VENUS	2099-01-13 18:58	> 1 mo	0.0402365	0.0010244	17.6858419
EARTH	2109-08-26 20:52	> 1 mo	0.0089703	0.0076594	7.8770646
VENUS	2116-04-09 21:00	> 1 mo	0.0304337	0.0026006	248.0475488
EARTH	2116-07-08 06:14	> 1 mo	0.0577555	0.0572475	19.9804189
EARTH	2123-06-24 16:24	> 1 mo	0.1161826	0.0547434	31.6870945
VENUS	2124-09-04 00:10	> 1 mo	0.0479290	0.0408719	70.6157338

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
217.19654202	232.48035693	0.00852708	MINIMUM
0.96040142	23.03668455	0.34383254	SADDLE
2.31501116	204.71052035	1.65843160	SADDLE
181.72535714	24.12030075	2.04250300	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2025PM1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2120-08-21.211	95606.211	-0.773	0.000	2.43 ± 0.016	3.57E6	2.62E-7	3.80E-1	-7.37	0


Based on 94 optical observations (of which 3 are rejected as outliers) from 2025/08/01.330 to 2025/08/26.245.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.43 and 2.43 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250906 141225.795 UTC.

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Download Impactor Table as: