Asteroids

2025BZ help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.968

Aphelion (Q)

2.322

Eccentricity (e)

0.412

Inclination (i)

10.0

deg

Orbit period (P)

770.5

Earth MOID

0.00950

U parameter

7.1

Next Earth close approach

Date

2044-01-03

Nominal distance (from Earth center)

0.06945

10389793

Maximum Brightness

25.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.9

mag

Diameter

7 - 16*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-01-20

Observatory

Catalina Sky Survey

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

1.644835

1-sigma variation

0.000510

Unit

Eccentricity (e)

Value

0.411740

1-sigma variation

0.000186

Unit

Inclination (i)

Value

10.0414

1-sigma variation

0.0034

Unit

Long. of Ascending Node (Ω)

Value

119.9653

1-sigma variation

3.278E-5

Unit

Arg. of Perihelion (ω)

Value

334.4470

1-sigma variation

0.0010

Unit

Mean Anomaly (M)

Value

152.35037

1-sigma variation

0.07137

Unit

Perihelion distance

Value

0.967591

1-sigma variation

Unit

Aphelion distance

Value

2.322079

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.011551

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.156220

1-sigma variation

Unit

MOID

Value

0.009498

1-sigma variation

Unit

Orbit Period

Value

770.5166

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.60201E-7	9.48116E-8	1.73026E-6	1.62845E-8	-2.28608E-7	-3.64063E-5
e	9.48116E-8	3.45491E-8	6.30422E-7	5.94171E-9	-8.44475E-8	-1.32653E-5
i	1.73026E-6	6.30422E-7	1.15112E-5	1.08221E-7	-1.49024E-6	-2.42103E-4
Ω	1.62845E-8	5.94171E-9	1.08221E-7	1.07436E-9	-1.94540E-8	-2.27665E-6
ω	-2.28608E-7	-8.44475E-8	-1.49024E-6	-1.94540E-8	9.41939E-7	3.17231E-5
M	-3.64063E-5	-1.32653E-5	-2.42103E-4	-2.27665E-6	3.17231E-5	5.09394E-3

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

27.888

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

7 - 16*

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

281

Unit

Source

[1]

Normalized RMS of residuals

Value

0.773984

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-01-20.365723

Unit

Source

[2]

Last Observation

Value

2025-01-22.13853

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (0)

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 2025BZ 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	1964-01-10 17:15	> 1 w	0.0421700	0.0050733	0.0599541
EARTH	1985-02-06 16:46	> 1 d	0.1748018	0.0131274	0.0953844
EARTH	2003-12-05 08:39	> 1 w	0.1507931	0.0971526	0.0397844
EARTH	2025-01-18 19:41	< 1 min	0.0099658	0.0099545	0.0000038
EARTH	2044-01-03 09:04	> 1 w	0.0694515	0.0119056	0.0425406
EARTH	2084-02-02 18:14	35.9	0.1140179	0.1123781	0.0005466
EARTH	2103-01-13 11:32	> 1 d	0.0341201	0.0044121	0.0256809
EARTH	2124-02-09 02:07	> 1 w	0.1735199	0.0155417	0.1592902

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
15.49142490	15.73782488	0.00940084	MINIMUM
178.67460379	171.60229993	1.31107692	SADDLE
358.85014271	170.90106069	1.98209648	SADDLE
180.33431926	352.67252674	3.30380208	MAXIMUM

Download:

MOID Plots

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