Asteroids

2025EG2 help

Last update: 2025-03-13 15:55 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.667

Aphelion (Q)

1.084

Eccentricity (e)

0.238

Inclination (i)

21.1

deg

Orbit period (P)

299.1

Earth MOID

0.01995

U parameter

6.1

Next Earth close approach

Date

2025-03-15

Nominal distance (from Earth center)

0.04972

7438733

Maximum Brightness

19.9

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 80*

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.875224

1-sigma variation

0.000022

Unit

Eccentricity (e)

Value

0.238262

1-sigma variation

0.000360

Unit

Inclination (i)

Value

21.1489

1-sigma variation

0.0571

Unit

Long. of Ascending Node (Ω)

Value

353.5160

1-sigma variation

0.0063

Unit

Arg. of Perihelion (ω)

Value

322.2891

1-sigma variation

0.0426

Unit

Mean Anomaly (M)

Value

296.22117

1-sigma variation

0.09107

Unit

Perihelion distance

Value

0.666691

1-sigma variation

Unit

Aphelion distance

Value

1.083757

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.310355

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.022780

1-sigma variation

Unit

MOID

Value

0.019955

1-sigma variation

Unit

Orbit Period

Value

299.0729

1-sigma variation

Unit

U parameter

Value

6.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.67532E-10	6.07181E-9	9.85258E-7	-1.10287E-7	-7.80203E-7	1.61337E-6
e	6.07181E-9	1.29355E-7	2.05172E-5	-2.25033E-6	-1.52161E-5	3.26873E-5
i	9.85258E-7	2.05172E-5	3.25700E-3	-3.57500E-4	-2.42145E-3	5.19416E-3
Ω	-1.10287E-7	-2.25033E-6	-3.57500E-4	3.92690E-5	2.66391E-4	-5.70666E-4
ω	-7.80203E-7	-1.52161E-5	-2.42145E-3	2.66391E-4	1.81376E-3	-3.87365E-3
M	1.61337E-6	3.26873E-5	5.19416E-3	-5.70666E-4	-3.87365E-3	8.29422E-3

Date of computation: 2025-03-10 11:58 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

24.481

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

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

[-]

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

0.509325

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

2025-03-09.91041

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (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 2125

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 01:27	59.2	0.1419681	0.1372085	0.0015870
EARTH	1967-03-14 10:14	66.6	0.1948430	0.1900612	0.0015941
VENUS	1970-10-05 01:21	332.1	0.0483735	0.0465883	0.0008531
EARTH	1998-03-10 05:51	303.9	0.1582376	0.1499649	0.0027673
EARTH	2007-03-13 22:23	167.2	0.0960305	0.0883298	0.0025785
EARTH	2016-03-14 15:13	62.2	0.0520359	0.0471922	0.0016343
EARTH	2025-03-15 00:08	< 1 min	0.0497249	0.0493642	0.0001202
EARTH	2034-03-13 04:52	93.7	0.1097719	0.1042998	0.0018275
EARTH	2048-03-14 14:45	39.5	0.1700718	0.1615486	0.0028445
EARTH	2057-03-15 04:45	65.7	0.0514296	0.0463266	0.0017304
EARTH	2071-03-16 18:21	25.5	0.0567806	0.0540535	0.0009146
EARTH	2080-03-07 04:28	296.1	0.1908206	0.1851036	0.0019116
EARTH	2085-03-14 22:50	100.3	0.1765838	0.1677494	0.0029469
EARTH	2094-03-14 15:44	190.6	0.0800119	0.0701041	0.0033392
EARTH	2108-03-17 02:13	16.9	0.0478268	0.0401512	0.0026495
EARTH	2117-03-11 18:49	104.7	0.1493928	0.1478951	0.0004998

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
228.89934656	71.84312223	0.01995492	MINIMUM
51.79109982	276.81034973	0.28620115	MINIMUM
122.75675789	347.86432576	0.35998063	SADDLE
329.35394308	175.90608786	0.43863509	SADDLE
348.47396790	21.37346230	1.63888586	SADDLE
184.85678185	218.64343897	2.08489785	MAXIMUM

Download:

MOID Plots

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