Asteroids

2025OQ5 help

Last update: 2025-07-30 13:15 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.558

Aphelion (Q)

1.688

Eccentricity (e)

0.503

Inclination (i)

15.0

deg

Orbit period (P)

434.8

Earth MOID

0.00286

U parameter

8.3

Next Earth close approach

Date

2025-08-07

Nominal distance (from Earth center)

0.01083

1619515

Maximum Brightness

16.5

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.123135

1-sigma variation

0.001155

Unit

Eccentricity (e)

Value

0.502883

1-sigma variation

0.000962

Unit

Inclination (i)

Value

15.0221

1-sigma variation

0.0353

Unit

Long. of Ascending Node (Ω)

Value

134.0417

1-sigma variation

0.0022

Unit

Arg. of Perihelion (ω)

Value

290.6978

1-sigma variation

0.0136

Unit

Mean Anomaly (M)

Value

230.82679

1-sigma variation

0.25404

Unit

Perihelion distance

Value

0.558329

1-sigma variation

Unit

Aphelion distance

Value

1.687942

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.273620

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.006855

1-sigma variation

Unit

MOID

Value

0.002856

1-sigma variation

Unit

Orbit Period

Value

434.7571

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.33338E-6	1.11085E-6	4.08117E-5	-2.20513E-6	-1.56222E-5	2.93345E-4
e	1.11085E-6	9.25565E-7	3.40043E-5	-1.84760E-6	-1.30056E-5	2.44402E-4
i	4.08117E-5	3.40043E-5	1.24929E-3	-6.78598E-5	-4.77835E-4	8.97913E-3
Ω	-2.20513E-6	-1.84760E-6	-6.78598E-5	4.62422E-6	2.49856E-5	-4.86560E-4
ω	-1.56222E-5	-1.30056E-5	-4.77835E-4	2.49856E-5	1.83784E-4	-3.43564E-3
M	2.93345E-4	2.44402E-4	8.97913E-3	-4.86560E-4	-3.43564E-3	6.45382E-2

Date of computation: 2025-07-30 13:15 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

24.321

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

40 - 80*

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

0.43329

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-07-20.398337

Unit

Source

[2]

Last Observation

Value

2025-07-30.378672

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

30 (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 2025OQ5 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	1968-08-02 09:22	> 1 mo	0.1011395	0.0000450	21.9561832
EARTH	1977-03-09 17:58	> 1 mo	0.1616322	0.1469745	7.6801044
EARTH	1981-08-11 19:50	> 1 mo	0.1379724	0.0000809	14.2580157
VENUS	1992-07-18 14:00	> 1 mo	0.0335979	0.0279313	3.1447496
EARTH	1996-02-28 10:32	> 1 mo	0.1656923	0.1504444	1.0173641
EARTH	2000-08-07 02:49	> 1 w	0.0086589	0.0019273	0.2219456
VENUS	2010-05-18 16:37	> 1 w	0.0471381	0.0283887	0.1473181
EARTH	2015-03-13 17:09	> 1 d	0.1964284	0.1488494	0.0682518
EARTH	2025-08-07 13:11	2.3	0.0108250	0.0107613	0.0000212
EARTH	2031-07-31 06:58	> 1 d	0.1739548	0.0162150	0.0525841
EARTH	2052-03-03 04:37	> 1 w	0.1465319	0.1449206	0.0236747
EARTH	2062-08-10 10:48	> 1 d	0.0753661	0.0042077	0.1100406
EARTH	2068-08-03 17:09	> 1 d	0.0830444	0.0027226	0.0574343
EARTH	2095-03-04 23:28	> 1 w	0.1463337	0.1458959	0.0181129
EARTH	2105-08-12 04:01	> 1 w	0.0984449	0.0044885	0.2633084
EARTH	2111-08-06 16:49	> 1 w	0.0585108	0.0052185	0.2331431

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
281.04677202	212.84328738	0.00285647	MINIMUM
69.58067089	61.49469396	0.14583551	MINIMUM
354.41815174	314.41780838	0.46828985	SADDLE
176.47035246	140.72451842	0.74768897	SADDLE
356.86019081	138.72067058	1.55980282	SADDLE
180.26999974	322.99650039	2.65610349	MAXIMUM

Download:

MOID Plots

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