Asteroids

2025QB help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.818

Aphelion (Q)

1.765

Eccentricity (e)

0.367

Inclination (i)

12.7

deg

Orbit period (P)

536.0

Earth MOID

0.00105

U parameter

7.0

Next Earth close approach

Date

2031-03-06

Nominal distance (from Earth center)

0.14341

21453199

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.3

mag

Diameter

15 - 30*

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

1.291428

1-sigma variation

0.000258

Unit

Eccentricity (e)

Value

0.366963

1-sigma variation

0.000162

Unit

Inclination (i)

Value

12.6794

1-sigma variation

0.0045

Unit

Long. of Ascending Node (Ω)

Value

321.3239

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

286.4981

1-sigma variation

0.0042

Unit

Mean Anomaly (M)

Value

103.46971

1-sigma variation

0.03689

Unit

Perihelion distance

Value

0.817521

1-sigma variation

Unit

Aphelion distance

Value

1.765334

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.001888

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.259991

1-sigma variation

Unit

MOID

Value

0.001048

1-sigma variation

Unit

Orbit Period

Value

536.0478

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.68221E-8	4.18664E-8	1.15531E-6	5.19708E-8	9.98529E-7	-9.53656E-6
e	4.18664E-8	2.62940E-8	7.26923E-7	3.17292E-8	6.13221E-7	-5.97156E-6
i	1.15531E-6	7.26923E-7	2.01335E-5	8.58908E-7	1.66584E-5	-1.64713E-4
Ω	5.19708E-8	3.17292E-8	8.58908E-7	5.25702E-8	9.39502E-7	-7.46303E-6
ω	9.98529E-7	6.13221E-7	1.66584E-5	9.39502E-7	1.73501E-5	-1.43179E-4
M	-9.53656E-6	-5.97156E-6	-1.64713E-4	-7.46303E-6	-1.43179E-4	1.36120E-3

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

26.253

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

15 - 30*

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

0.490354

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-16.349197

Unit

Source

[2]

Last Observation

Value

2025-08-18.21854

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

40 (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 2025QB 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	1951-08-23 19:42	> 1 mo	0.1600796	0.0031910	2.2515701
EARTH	1954-08-04 19:13	> 1 mo	0.1080431	0.0065279	2.0717421
EARTH	1960-03-11 01:28	> 1 mo	0.1307673	0.1161960	0.7338130
EARTH	1985-08-15 11:47	> 1 d	0.0200881	0.0006713	0.0651264
EARTH	1988-07-16 05:30	> 1 w	0.1969836	0.0736208	0.0472195
EARTH	1994-03-12 00:09	> 1 d	0.1312892	0.1183197	0.0226130
EARTH	2025-08-13 22:10	< 1 min	0.0058053	0.0057993	0.0000020
EARTH	2031-03-06 11:45	585.6	0.1434058	0.1261847	0.0067540
EARTH	2047-08-17 17:32	> 1 d	0.0430555	0.0016081	0.0391519
EARTH	2053-03-09 09:30	55.4	0.1167762	0.1165566	0.0003524
EARTH	2072-07-31 04:58	> 1 w	0.1385544	0.0198149	0.0965890
EARTH	2094-08-16 13:50	> 1 w	0.0254504	0.0025431	0.1486532
EARTH	2100-03-12 07:23	> 1 w	0.1312139	0.1176053	0.1402339
EARTH	2119-08-24 12:18	> 1 mo	0.1363012	0.0074295	1.7958690
EARTH	2122-07-19 02:57	> 1 mo	0.1931564	0.0637070	1.4694504

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
54.07322672	220.88985629	0.00104839	MINIMUM
301.32360263	65.96605076	0.11508079	MINIMUM
355.45537688	139.26685180	0.27811329	SADDLE
178.47127725	326.16286029	0.82779777	SADDLE
0.55882791	327.08306245	1.79381411	SADDLE
181.52812911	148.27742542	2.76635873	MAXIMUM

Download:

MOID Plots

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