Asteroids

2025EP help

Last update: 2025-03-29 00:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.944

Aphelion (Q)

2.142

Eccentricity (e)

0.388

Inclination (i)

14.0

deg

Orbit period (P)

700.3

Earth MOID

0.06039

U parameter

7.4

Next Earth close approach

Date

2048-03-14

Nominal distance (from Earth center)

0.09709

14524339

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

21.8

mag

Diameter

120 - 260*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-01

Observatory

Pan-STARRS 1, Haleakala

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

1.543257

1-sigma variation

0.000720

Unit

Eccentricity (e)

Value

0.388271

1-sigma variation

0.000286

Unit

Inclination (i)

Value

14.0356

1-sigma variation

0.0067

Unit

Long. of Ascending Node (Ω)

Value

168.4577

1-sigma variation

0.0030

Unit

Arg. of Perihelion (ω)

Value

57.5172

1-sigma variation

0.0064

Unit

Mean Anomaly (M)

Value

6.69008

1-sigma variation

0.00008

Unit

Perihelion distance

Value

0.944055

1-sigma variation

Unit

Aphelion distance

Value

2.142459

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.091343

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.649470

1-sigma variation

Unit

MOID

Value

0.060386

1-sigma variation

Unit

Orbit Period

Value

700.2546

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.18198E-7	2.05892E-7	4.82220E-6	2.12999E-6	-4.59596E-6	9.27584E-11
e	2.05892E-7	8.18061E-8	1.91599E-6	8.46305E-7	-1.82596E-6	-7.23963E-12
i	4.82220E-6	1.91599E-6	4.48755E-5	1.98218E-5	-4.27617E-5	-1.77463E-9
Ω	2.12999E-6	8.46305E-7	1.98218E-5	8.75553E-6	-1.88871E-5	-1.17329E-9
ω	-4.59596E-6	-1.82596E-6	-4.27617E-5	-1.88871E-5	4.08097E-5	-1.83949E-8
M	9.27584E-11	-7.23963E-12	-1.77463E-9	-1.17329E-9	-1.83949E-8	6.52215E-9

Date of computation: 2025-03-20 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

21.786

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

120 - 260*

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

0.63627

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-25.574655

Unit

Source

[2]

Last Observation

Value

2025-03-20.44554

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (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 2025EP 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	1954-04-07 14:35	> 1 w	0.1792983	0.0056130	0.1689687
EARTH	2002-03-09 06:35	> 1 d	0.1899434	0.0506094	0.0966434
EARTH	2025-03-12 23:06	< 1 min	0.1218926	0.1217016	0.0000637
EARTH	2048-03-14 10:59	> 1 d	0.0970892	0.0586599	0.0794343
EARTH	2071-03-12 16:49	> 1 d	0.1375576	0.0561397	0.1226242

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
327.57218319	75.25728258	0.06038646	MINIMUM
38.61208665	180.01899467	0.24171410	MINIMUM
22.73861176	157.10087577	0.24610875	SADDLE
183.78493903	305.85906140	1.19118967	SADDLE
3.59512643	307.65337397	1.92362286	SADDLE
179.68404003	123.11727334	3.13674506	MAXIMUM

Download:

MOID Plots

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