Asteroids

2025PB2 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.528

Aphelion (Q)

1.819

Eccentricity (e)

0.550

Inclination (i)

7.1

deg

Orbit period (P)

464.6

Earth MOID

0.01405

U parameter

8.1

Next Earth close approach

Date

2027-03-20

Nominal distance (from Earth center)

0.12691

18984813

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-08-14

Observatory

MAPS, San Pedro de Atacama

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.173926

1-sigma variation

0.000934

Unit

Eccentricity (e)

Value

0.549896

1-sigma variation

0.000668

Unit

Inclination (i)

Value

7.1059

1-sigma variation

0.0119

Unit

Long. of Ascending Node (Ω)

Value

139.3924

1-sigma variation

0.0021

Unit

Arg. of Perihelion (ω)

Value

296.9029

1-sigma variation

0.0043

Unit

Mean Anomaly (M)

Value

182.95675

1-sigma variation

0.18694

Unit

Perihelion distance

Value

0.528389

1-sigma variation

Unit

Aphelion distance

Value

1.819463

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.330656

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.076496

1-sigma variation

Unit

MOID

Value

0.014052

1-sigma variation

Unit

Orbit Period

Value

464.5787

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.72786E-7	6.24090E-7	1.11301E-5	1.93367E-6	-4.00090E-6	-1.74650E-4
e	6.24090E-7	4.46269E-7	7.95813E-6	1.38244E-6	-2.85965E-6	-1.24884E-4
i	1.11301E-5	7.95813E-6	1.41984E-4	2.46809E-5	-5.10872E-5	-2.22722E-3
Ω	1.93367E-6	1.38244E-6	2.46809E-5	4.29424E-6	-8.89548E-6	-3.86949E-4
ω	-4.00090E-6	-2.85965E-6	-5.10872E-5	-8.89548E-6	1.84863E-5	8.00653E-4
M	-1.74650E-4	-1.24884E-4	-2.22722E-3	-3.86949E-4	8.00653E-4	3.49486E-2

Date of computation: 2026-06-04 23:11 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

25.334

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

23 - 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

[-]

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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

320

Unit

Source

[1]

Normalized RMS of residuals

Value

0.947923

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-14.29933

Unit

Source

[2]

Last Observation

Value

2025-08-17.38124

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

36 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025PB2 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
EARTH	1960-08-22 18:43	> 1 mo	0.1173845	0.0115769	2.4387097
EARTH	1962-03-26 01:24	> 1 mo	0.0988414	0.0871991	1.2129356
EARTH	1983-08-11 07:40	> 1 w	0.1768729	0.0116988	0.5895581
EARTH	1997-08-17 22:55	> 1 mo	0.0215418	0.0136863	1.8782570
EARTH	1999-03-19 14:54	> 1 mo	0.1281281	0.0882299	1.7257444
EARTH	2011-08-19 04:56	> 1 w	0.0138618	0.0138572	0.0041017
EARTH	2013-03-19 21:59	> 1 w	0.1201820	0.0875725	0.1091595
VENUS	2023-04-29 23:20	> 1 d	0.0228374	0.0219888	0.0064181
EARTH	2025-08-18 15:16	< 1 min	0.0144045	0.0143437	0.0000203
EARTH	2027-03-20 01:27	576.3	0.1269056	0.1107109	0.0058587
EARTH	2039-08-16 06:36	> 1 d	0.0730294	0.0142360	0.0977465
EARTH	2041-03-15 05:11	> 1 d	0.1894078	0.0914753	0.0889559
VENUS	2042-05-27 23:22	> 1 d	0.0391536	0.0213981	0.1007198
EARTH	2053-08-13 06:29	244.1	0.1319643	0.1300276	0.0006465
EARTH	2067-08-11 01:08	> 1 d	0.1952318	0.0141874	0.0952985
EARTH	2088-04-01 10:01	> 1 d	0.1875029	0.0895269	0.0662757
EARTH	2100-08-26 13:11	872.5	0.1726923	0.0994010	0.0244983
EARTH	2102-03-29 23:31	> 1 d	0.1192286	0.0892172	0.0222812
EARTH	2114-08-24 09:29	> 1 d	0.0939851	0.0158413	0.1361341
EARTH	2116-03-25 16:36	> 1 d	0.0887263	0.0887204	0.0000928

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
284.18562420	225.00238614	0.01396391	MINIMUM
72.68426148	81.32616663	0.08741246	MINIMUM
357.59206165	331.56641920	0.46419905	SADDLE
178.97337920	154.37352391	0.81699415	SADDLE
358.34739106	152.96100761	1.54252986	SADDLE
179.84252498	334.85553242	2.80072761	MAXIMUM

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MOID Plots

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