Asteroids

2025EG help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.783

Aphelion (Q)

1.194

Eccentricity (e)

0.208

Inclination (i)

22.1

deg

Orbit period (P)

358.9

Earth MOID

0.01466

U parameter

6.8

Next Earth close approach

Date

2026-02-28

Nominal distance (from Earth center)

0.1254

18760160

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-01

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

0.988331

1-sigma variation

0.000095

Unit

Eccentricity (e)

Value

0.208259

1-sigma variation

0.000099

Unit

Inclination (i)

Value

22.0839

1-sigma variation

0.0139

Unit

Long. of Ascending Node (Ω)

Value

341.7369

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

72.4829

1-sigma variation

0.0202

Unit

Mean Anomaly (M)

Value

349.14185

1-sigma variation

0.07167

Unit

Perihelion distance

Value

0.782502

1-sigma variation

Unit

Aphelion distance

Value

1.194160

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.119476

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.016614

1-sigma variation

Unit

MOID

Value

0.014661

1-sigma variation

Unit

Orbit Period

Value

358.8824

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.11800E-9	9.44202E-9	1.31692E-6	5.52999E-8	1.92905E-6	-6.84386E-6
e	9.44202E-9	9.84701E-9	1.37754E-6	5.78573E-8	1.99244E-6	-7.08976E-6
i	1.31692E-6	1.37754E-6	1.93045E-4	8.10871E-6	2.77566E-4	-9.88979E-4
Ω	5.52999E-8	5.78573E-8	8.10871E-6	3.40607E-7	1.16546E-5	-4.15294E-5
ω	1.92905E-6	1.99244E-6	2.77566E-4	1.16546E-5	4.08509E-4	-1.44773E-3
M	-6.84386E-6	-7.08976E-6	-9.88979E-4	-4.15294E-5	-1.44773E-3	5.13703E-3

Date of computation: 2025-11-24 16:53 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

24.491

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

30 - 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

[-]

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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

318

Unit

Source

[1]

Normalized RMS of residuals

Value

0.701097

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-01.433795

Unit

Source

[2]

Last Observation

Value

2025-03-03.30965

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

59 (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 2025EG from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1965-03-04 10:55	1307.3	0.1294533	0.0344556	0.0324494
EARTH	1966-03-02 00:59	1215.8	0.0301548	0.0160534	0.0330498
EARTH	1967-02-28 19:00	487.8	0.0713558	0.0172051	0.0390312
EARTH	1968-02-29 07:55	783.3	0.1666249	0.0535915	0.0388445
EARTH	1972-09-06 23:26	> 1 d	0.1455605	0.1160084	0.0220380
EARTH	1973-08-28 20:47	> 1 d	0.1086630	0.1085227	0.0016638
EARTH	1974-08-20 22:37	> 1 d	0.1400056	0.1131570	0.0207228
EARTH	2023-03-06 21:51	67.5	0.1846600	0.1795539	0.0017023
EARTH	2024-03-03 01:27	29.9	0.0826090	0.0800277	0.0008611
EARTH	2025-03-01 02:18	< 1 min	0.0240408	0.0239964	0.0000148
EARTH	2026-02-28 11:54	9.4	0.1254039	0.1228906	0.0008381
EARTH	2030-09-07 11:46	836.8	0.1454057	0.1368075	0.0030674
EARTH	2031-08-28 13:39	838.2	0.1093364	0.1091908	0.0002896
EARTH	2032-08-19 00:53	791.8	0.1522956	0.1394216	0.0045883
EARTH	2078-03-07 05:04	> 1 d	0.1973629	0.0455909	0.0511367
EARTH	2079-03-04 02:31	> 1 d	0.0889112	0.0155548	0.0506572
EARTH	2080-02-29 22:51	1213.7	0.0237835	0.0151047	0.0382426
EARTH	2081-02-28 09:25	262.7	0.1317399	0.0199441	0.0430760
EARTH	2084-09-15 12:01	> 1 d	0.1980510	0.1622733	0.0132426
EARTH	2085-09-03 12:28	> 1 d	0.1254621	0.1130694	0.0054689
EARTH	2086-08-24 14:42	630.7	0.1190599	0.1162035	0.0012522
EARTH	2087-08-15 22:40	164.4	0.1902247	0.1859517	0.0014261

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
94.58285675	58.61825778	0.01466076	MINIMUM
291.87536839	234.59670646	0.10923117	MINIMUM
11.52955133	327.59370447	0.39156082	SADDLE
195.00283185	144.13051990	0.45266937	SADDLE
1.57850481	134.68083152	1.76519274	SADDLE
168.97069837	301.45099872	2.15017279	MAXIMUM

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MOID Plots

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