Asteroids

2025OL5 help

Last update: 2025-07-29 19:30 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.575

Aphelion (Q)

1.884

Eccentricity (e)

0.532

Inclination (i)

4.1

deg

Orbit period (P)

498.1

Earth MOID

0.00035

U parameter

6.5

Next Earth close approach

Date

2031-02-16

Nominal distance (from Earth center)

0.19359

28961263

Maximum Brightness

27.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

28.1

mag

Diameter

6 - 14*

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

1.229783

1-sigma variation

0.000095

Unit

Eccentricity (e)

Value

0.532083

1-sigma variation

0.000063

Unit

Inclination (i)

Value

4.0858

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

305.9972

1-sigma variation

1.396E-5

Unit

Arg. of Perihelion (ω)

Value

104.6234

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

256.16896

1-sigma variation

0.01462

Unit

Perihelion distance

Value

0.575436

1-sigma variation

Unit

Aphelion distance

Value

1.884129

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.002936

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.207417

1-sigma variation

Unit

MOID

Value

0.000353

1-sigma variation

Unit

Orbit Period

Value

498.1280

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.02346E-9	5.95456E-9	5.04311E-8	1.31209E-9	-1.97531E-8	1.38865E-6
e	5.95456E-9	3.93663E-9	3.33087E-8	8.66280E-10	-1.22044E-8	9.16537E-7
i	5.04311E-8	3.33087E-8	2.86170E-7	7.37557E-9	-1.07041E-7	7.76168E-6
Ω	1.31209E-9	8.66280E-10	7.37557E-9	1.94975E-10	-2.82528E-9	2.01931E-7
ω	-1.97531E-8	-1.22044E-8	-1.07041E-7	-2.82528E-9	1.38620E-7	-3.02009E-6
M	1.38865E-6	9.16537E-7	7.76168E-6	2.01931E-7	-3.02009E-6	2.13707E-4

Date of computation: 2025-07-29 19:30 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

28.128

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

6 - 14*

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

0.580955

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-07-28.004054

Unit

Source

[2]

Last Observation

Value

2025-07-29.34396

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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 2025OL5 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	1951-02-26 06:45	> 1 mo	0.1164186	0.0316565	0.8791248
EARTH	1953-07-25 09:26	> 1 mo	0.0723979	0.0011299	1.1817686
EARTH	1970-02-23 10:00	> 1 mo	0.0607120	0.0310782	1.8537055
EARTH	1972-07-22 18:47	> 1 mo	0.1272076	0.0013001	1.9599270
VENUS	1986-05-10 00:06	> 1 mo	0.0189177	0.0165071	0.2351059
EARTH	1989-02-22 22:37	> 1 w	0.0540527	0.0310317	0.3526953
EARTH	1991-07-24 07:26	> 1 w	0.1155423	0.0007037	0.3868828
EARTH	2008-03-01 02:17	> 1 d	0.1804548	0.0675521	0.0386615
EARTH	2010-07-30 03:33	647.0	0.0105514	0.0000368	0.0092591
EARTH	2023-02-26 05:56	135.8	0.1119171	0.1059379	0.0019980
MARS	2024-01-27 14:03	4.6	0.0376796	0.0359047	0.0006010
EARTH	2025-07-29 11:15	< 1 s	0.0008812	0.0008808	0.0000001
EARTH	2031-02-16 13:20	272.1	0.1935941	0.1818967	0.0039040
EARTH	2042-08-04 01:01	667.1	0.1113164	0.0800242	0.0104307
EARTH	2048-02-24 05:40	763.6	0.0614327	0.0386924	0.0092778
EARTH	2063-07-21 09:33	462.0	0.1920235	0.1690738	0.0076499
EARTH	2065-03-01 08:51	466.7	0.0812804	0.0629089	0.0063421
MARS	2067-05-01 23:18	13.4	0.0406368	0.0302253	0.0036655
VENUS	2075-07-24 07:49	184.0	0.0341058	0.0311171	0.0010676
EARTH	2080-07-24 15:11	376.3	0.1073857	0.0909434	0.0054808
EARTH	2082-03-05 09:42	428.5	0.1563632	0.1361501	0.0067665
VENUS	2086-01-10 18:02	1061.4	0.0358109	0.0263218	0.0078824
MARS	2097-06-04 15:09	147.2	0.0183465	0.0182769	0.0010575
EARTH	2097-07-28 23:48	1101.3	0.0220566	0.0015817	0.0163417
EARTH	2114-07-28 20:23	> 1 d	0.0551109	0.0017367	0.0930166
EARTH	2116-03-08 08:27	> 1 d	0.1986692	0.0369455	0.0884954

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
289.17287615	204.48225114	0.00035290	MINIMUM
68.05958661	49.02042292	0.03107788	MINIMUM
357.69269856	305.55405239	0.41794811	SADDLE
179.24432192	127.60788913	0.87935906	SADDLE
357.82170794	125.80897369	1.58429510	SADDLE
179.41818807	307.71262491	2.87240248	MAXIMUM

Download:

MOID Plots

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