Asteroids

2025EG2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.667

Aphelion (Q)

1.084

Eccentricity (e)

0.238

Inclination (i)

21.2

deg

Orbit period (P)

299.1

Earth MOID

0.01944

U parameter

5.7

Next Earth close approach

Date

2034-03-13

Nominal distance (from Earth center)

0.11011

16472461

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-05

Observatory

Mt. Lemmon 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

0.875325

1-sigma variation

0.000011

Unit

Eccentricity (e)

Value

0.238400

1-sigma variation

0.000258

Unit

Inclination (i)

Value

21.1612

1-sigma variation

0.0406

Unit

Long. of Ascending Node (Ω)

Value

353.5083

1-sigma variation

0.0044

Unit

Arg. of Perihelion (ω)

Value

322.2981

1-sigma variation

0.0295

Unit

Mean Anomaly (M)

Value

176.94680

1-sigma variation

0.05985

Unit

Perihelion distance

Value

0.666647

1-sigma variation

Unit

Aphelion distance

Value

1.084003

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.311308

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.022211

1-sigma variation

Unit

MOID

Value

0.019435

1-sigma variation

Unit

Orbit Period

Value

299.1249

1-sigma variation

Unit

U parameter

Value

5.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.13631E-10	2.71422E-9	4.27936E-7	-4.66854E-8	-3.11631E-7	6.29549E-7
e	2.71422E-9	6.65618E-8	1.04861E-5	-1.14420E-6	-7.61757E-6	1.54413E-5
i	4.27936E-7	1.04861E-5	1.65203E-3	-1.80261E-4	-1.20018E-3	2.43260E-3
Ω	-4.66854E-8	-1.14420E-6	-1.80261E-4	1.96694E-5	1.30955E-4	-2.65435E-4
ω	-3.11631E-7	-7.61757E-6	-1.20018E-3	1.30955E-4	8.72127E-4	-1.76712E-3
M	6.29549E-7	1.54413E-5	2.43260E-3	-2.65435E-4	-1.76712E-3	3.58215E-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

24.513

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 - 70*

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

336

Unit

Source

[1]

Normalized RMS of residuals

Value

0.533532

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-05.3525

Unit

Source

[2]

Last Observation

Value

2025-03-16.874071

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (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 2025EG2 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	1958-03-15 01:14	36.4	0.1422451	0.1399058	0.0007798
EARTH	1967-03-14 09:58	38.8	0.1950989	0.1929860	0.0007043
VENUS	1970-10-05 00:16	190.3	0.0482135	0.0471642	0.0004404
EARTH	1998-03-10 06:57	164.9	0.1577481	0.1537080	0.0013494
EARTH	2007-03-13 22:56	87.3	0.0955778	0.0918550	0.0012438
EARTH	2016-03-14 15:24	30.4	0.0517564	0.0494829	0.0007624
EARTH	2025-03-15 00:08	< 1 min	0.0497532	0.0494945	0.0000862
EARTH	2034-03-13 04:37	39.1	0.1101116	0.1072870	0.0009423
EARTH	2048-03-14 14:51	13.8	0.1695226	0.1649355	0.0015302
EARTH	2057-03-15 04:32	38.1	0.0517937	0.0487244	0.0010324
EARTH	2071-03-16 18:15	17.0	0.0568831	0.0560879	0.0002653
EARTH	2080-03-07 05:34	157.0	0.1905167	0.1880647	0.0008189
EARTH	2085-03-14 22:28	55.4	0.1770865	0.1729789	0.0013695
EARTH	2094-03-14 16:20	97.5	0.0794167	0.0745447	0.0016329
EARTH	2108-03-17 02:09	12.4	0.0483274	0.0442199	0.0013901
EARTH	2117-03-11 19:14	66.3	0.1493038	0.1485726	0.0002440

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
228.84523177	72.66948054	0.01943517	MINIMUM
51.95846693	277.99961052	0.28669783	MINIMUM
122.77758855	348.81766317	0.36016683	SADDLE
329.35487207	176.85388674	0.44030712	SADDLE
348.28626336	22.11188285	1.63890233	SADDLE
184.70711855	219.41729089	2.08659022	MAXIMUM

Download:

MOID Plots

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