Asteroids

2025BR7 help

Last update: 2025-02-09 18:08 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.810

Aphelion (Q)

1.940

Eccentricity (e)

0.411

Inclination (i)

22.3

deg

Orbit period (P)

588.8

Earth MOID

0.03640

U parameter

8.2

Next Earth close approach

Date

2041-07-15

Nominal distance (from Earth center)

0.15809

23650034

Maximum Brightness

23.2

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.1

mag

Diameter

25 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-01-29

Observatory

Pan-STARRS 1, 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.374857

1-sigma variation

0.001583

Unit

Eccentricity (e)

Value

0.411170

1-sigma variation

0.000729

Unit

Inclination (i)

Value

22.3118

1-sigma variation

0.0306

Unit

Long. of Ascending Node (Ω)

Value

309.6366

1-sigma variation

0.0014

Unit

Arg. of Perihelion (ω)

Value

255.5796

1-sigma variation

0.0311

Unit

Mean Anomaly (M)

Value

24.55423

1-sigma variation

0.01870

Unit

Perihelion distance

Value

0.809557

1-sigma variation

Unit

Aphelion distance

Value

1.940157

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.258437

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.050822

1-sigma variation

Unit

MOID

Value

0.036397

1-sigma variation

Unit

Orbit Period

Value

588.8230

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.50689E-6	1.15398E-6	4.84532E-5	2.20528E-6	-4.90381E-5	-2.95941E-5
e	1.15398E-6	5.31428E-7	2.23041E-5	1.01515E-6	-2.25281E-5	-1.36314E-5
i	4.84532E-5	2.23041E-5	9.36533E-4	4.26251E-5	-9.47810E-4	-5.71998E-4
Ω	2.20528E-6	1.01515E-6	4.26251E-5	1.94004E-6	-4.31357E-5	-2.60342E-5
ω	-4.90381E-5	-2.25281E-5	-9.47810E-4	-4.31357E-5	9.68426E-4	5.77179E-4
M	-2.95941E-5	-1.36314E-5	-5.71998E-4	-2.60342E-5	5.77179E-4	3.49685E-4

Date of computation: 2025-01-31 12:54 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

25.135

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

25 - 60*

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

0.802553

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-01-29.453311

Unit

Source

[2]

Last Observation

Value

2025-01-31.213825

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (5)

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 2025BR7 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	1962-07-14 08:27	> 1 w	0.1824555	0.1617039	0.7166716
EARTH	1975-02-03 00:08	> 1 w	0.0363568	0.0348151	0.1321019
EARTH	1991-07-17 19:10	> 1 w	0.1757197	0.1604934	0.1312786
EARTH	2025-02-01 15:20	< 1 min	0.0385028	0.0383353	0.0000558
EARTH	2041-07-15 22:06	> 1 d	0.1580907	0.1578898	0.0064334
EARTH	2054-02-06 22:41	> 1 w	0.1069357	0.0345327	0.3057193
EARTH	2075-01-28 00:53	> 1 w	0.1369060	0.0347406	0.3994292
EARTH	2091-07-14 22:00	> 1 d	0.1816556	0.1559064	0.1565059
EARTH	2104-02-04 08:32	> 1 w	0.0392374	0.0387937	0.0362204
EARTH	2120-07-17 21:00	> 1 w	0.1605308	0.1542324	0.2235767

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
309.90516010	30.46361476	0.03639716	MINIMUM
62.69725292	191.04247435	0.15878443	MINIMUM
8.66520438	115.14725229	0.39934466	SADDLE
184.64064139	285.58184490	1.07982265	SADDLE
4.19110831	287.65203446	1.77271686	SADDLE
179.39734639	101.96111445	2.89676409	MAXIMUM

Download:

MOID Plots

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