Asteroids

2025PN2 help

Last update: 2025-08-18 14:16 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.760

Aphelion (Q)

3.449

Eccentricity (e)

0.639

Inclination (i)

1.7

deg

Orbit period (P)

1115.3

Earth MOID

0.00896

U parameter

7.9

Next Earth close approach

Date

2025-08-21

Nominal distance (from Earth center)

0.02542

3802566

Maximum Brightness

19.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

24 - 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.104770

1-sigma variation

0.002978

Unit

Eccentricity (e)

Value

0.638860

1-sigma variation

0.000567

Unit

Inclination (i)

Value

1.6524

1-sigma variation

0.0015

Unit

Long. of Ascending Node (Ω)

Value

122.9603

1-sigma variation

0.0051

Unit

Arg. of Perihelion (ω)

Value

276.1076

1-sigma variation

0.0072

Unit

Mean Anomaly (M)

Value

14.99868

1-sigma variation

0.02708

Unit

Perihelion distance

Value

0.760116

1-sigma variation

Unit

Aphelion distance

Value

3.449424

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.180722

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.320980

1-sigma variation

Unit

MOID

Value

0.008960

1-sigma variation

Unit

Orbit Period

Value

1115.3351

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.86769E-6	1.68865E-6	4.56590E-6	1.31199E-5	-1.81246E-5	-8.06329E-5
e	1.68865E-6	3.21597E-7	8.68402E-7	2.48459E-6	-3.42943E-6	-1.53552E-5
i	4.56590E-6	8.68402E-7	2.38945E-6	7.25366E-6	-1.01001E-5	-4.14990E-5
Ω	1.31199E-5	2.48459E-6	7.25366E-6	2.58675E-5	-3.67513E-5	-1.19063E-4
ω	-1.81246E-5	-3.42943E-6	-1.01001E-5	-3.67513E-5	5.25327E-5	1.64430E-4
M	-8.06329E-5	-1.53552E-5	-4.14990E-5	-1.19063E-4	1.64430E-4	7.33195E-4

Date of computation: 2025-08-18 14:16 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

25.253

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

24 - 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

0.7

Unit

Source

[1]

Normalized RMS of residuals

Value

0.627691

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-15.307882

Unit

Source

[2]

Last Observation

Value

2025-08-18.25338

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (4)

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 2025PN2 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	1979-09-08 12:58	> 1 mo	0.1179620	0.0122391	0.4401721
EARTH	1982-11-25 07:29	> 1 mo	0.1999558	0.0016200	0.2210921
EARTH	1986-01-13 19:21	> 1 mo	0.1543587	0.0095867	0.5588500
EARTH	2025-08-21 17:42	< 1 min	0.0254186	0.0253564	0.0000207
EARTH	2031-12-17 04:36	> 1 w	0.1390394	0.0065348	0.0617340
EARTH	2035-01-17 18:56	> 1 d	0.1937472	0.0081146	0.1182362
VENUS	2056-05-10 11:03	> 1 mo	0.0474219	0.0472406	0.0042120
EARTH	2074-08-12 12:35	> 1 mo	0.1936607	0.0137540	0.8240815
EARTH	2077-09-18 19:13	> 1 mo	0.1604120	0.0115664	0.5497577
EARTH	2084-01-11 23:08	> 1 mo	0.0918456	0.0087364	0.7643340

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.54484738	3.12003751	0.00895967	MINIMUM
324.30675773	229.61347957	0.01338838	MINIMUM
358.57903440	295.90571559	0.23413871	SADDLE
358.57373200	115.91209761	1.76849016	SADDLE
179.68764389	117.36448012	2.44125974	SADDLE
179.69621407	297.37258729	4.44183485	MAXIMUM

Download:

MOID Plots

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