Asteroids

2025BJ2 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.509

Aphelion (Q)

1.377

Eccentricity (e)

0.461

Inclination (i)

15.9

deg

Orbit period (P)

334.4

Earth MOID

0.03351

U parameter

6.1

Next Earth close approach

Date

2036-01-28

Nominal distance (from Earth center)

0.08411

12583089

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.6

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-01-22

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

0.942796

1-sigma variation

0.000030

Unit

Eccentricity (e)

Value

0.460572

1-sigma variation

0.000059

Unit

Inclination (i)

Value

15.8819

1-sigma variation

0.0030

Unit

Long. of Ascending Node (Ω)

Value

303.5569

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

310.3473

1-sigma variation

0.0007

Unit

Mean Anomaly (M)

Value

245.19232

1-sigma variation

0.00644

Unit

Perihelion distance

Value

0.508571

1-sigma variation

Unit

Aphelion distance

Value

1.377022

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.444619

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.073531

1-sigma variation

Unit

MOID

Value

0.033512

1-sigma variation

Unit

Orbit Period

Value

334.3683

1-sigma variation

Unit

U parameter

Value

6.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.79374E-10	1.75203E-9	8.83559E-8	3.10568E-9	-2.07615E-8	-1.90882E-7
e	1.75203E-9	3.49144E-9	1.76072E-7	6.18852E-9	-4.13292E-8	-3.80255E-7
i	8.83559E-8	1.76072E-7	8.87976E-6	3.12082E-7	-2.08434E-6	-1.91768E-5
Ω	3.10568E-9	6.18852E-9	3.12082E-7	1.09887E-8	-7.33065E-8	-6.74070E-7
ω	-2.07615E-8	-4.13292E-8	-2.08434E-6	-7.33065E-8	4.91873E-7	4.50898E-6
M	-1.90882E-7	-3.80255E-7	-1.91768E-5	-6.74070E-7	4.50898E-6	4.14378E-5

Date of computation: 2025-09-10 00:30 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

24.635

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

30 - 70*

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

293

Unit

Source

[1]

Normalized RMS of residuals

Value

0.817857

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-01-05.492078

Unit

Source

[2]

Last Observation

Value

2025-02-02.0478

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

51 (1)

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 2025BJ2 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	1960-01-29 05:13	708.3	0.1624264	0.1294327	0.0110973
EARTH	1971-01-30 14:51	114.5	0.0588606	0.0361438	0.0093841
EARTH	1982-01-29 06:46	269.2	0.0406075	0.0327741	0.0050813
EARTH	1993-01-25 22:05	354.9	0.1412633	0.1183437	0.0076841
EARTH	2014-01-30 04:51	86.0	0.1231580	0.1145843	0.0028688
EARTH	2025-01-30 00:24	< 1 s	0.0390808	0.0390629	0.0000060
EARTH	2036-01-28 16:57	119.8	0.0841128	0.0757731	0.0028110
EARTH	2047-01-25 00:36	241.5	0.1901958	0.1750615	0.0050524
EARTH	2068-01-31 01:13	177.4	0.1152946	0.0931812	0.0074772
EARTH	2079-01-30 14:49	179.3	0.0359544	0.0347927	0.0020019
EARTH	2090-01-28 18:24	692.0	0.0747311	0.0368106	0.0162421
EARTH	2101-01-26 12:46	1120.1	0.1680426	0.0977692	0.0238395
EARTH	2122-01-31 19:12	573.2	0.1155940	0.0515023	0.0235392

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
262.36284896	26.99657354	0.03348530	MINIMUM
86.48093027	266.10304811	0.25327395	MINIMUM
171.00807227	327.62027655	0.46663096	SADDLE
354.38263915	142.26370326	0.53027041	SADDLE
358.99869618	330.19019964	1.48649050	SADDLE
182.36932804	154.52159446	2.37901560	MAXIMUM

Download:

MOID Plots

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