Asteroids

2025ES2 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.854

Aphelion (Q)

1.631

Eccentricity (e)

0.313

Inclination (i)

2.3

deg

Orbit period (P)

505.8

Earth MOID

0.01438

U parameter

7.6

Next Earth close approach

Date

2036-07-21

Nominal distance (from Earth center)

0.08348

12488701

Maximum Brightness

26.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

8 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-05

Observatory

Kitt Peak-Bok

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

1.242381

1-sigma variation

0.000500

Unit

Eccentricity (e)

Value

0.312655

1-sigma variation

0.000390

Unit

Inclination (i)

Value

2.2751

1-sigma variation

0.0029

Unit

Long. of Ascending Node (Ω)

Value

332.7738

1-sigma variation

0.0035

Unit

Arg. of Perihelion (ω)

Value

267.7522

1-sigma variation

0.0017

Unit

Mean Anomaly (M)

Value

142.06416

1-sigma variation

0.07671

Unit

Perihelion distance

Value

0.853945

1-sigma variation

Unit

Aphelion distance

Value

1.630817

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.123567

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.117308

1-sigma variation

Unit

MOID

Value

0.014375

1-sigma variation

Unit

Orbit Period

Value

505.8020

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.49653E-7	1.94752E-7	1.43091E-6	1.69807E-6	-5.44076E-7	-3.83305E-5
e	1.94752E-7	1.51932E-7	1.11587E-6	1.32267E-6	-4.21171E-7	-2.99016E-5
i	1.43091E-6	1.11587E-6	8.22568E-6	9.86011E-6	-3.30640E-6	-2.19686E-4
Ω	1.69807E-6	1.32267E-6	9.86011E-6	1.22241E-5	-4.70014E-6	-2.60661E-4
ω	-5.44076E-7	-4.21171E-7	-3.30640E-6	-4.70014E-6	2.73537E-6	8.34362E-5
M	-3.83305E-5	-2.99016E-5	-2.19686E-4	-2.60661E-4	8.34362E-5	5.88510E-3

Date of computation: 2025-09-10 00:30 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

27.491

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

8 - 19*

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

245

Unit

Source

[1]

Normalized RMS of residuals

Value

0.515455

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-05.363225

Unit

Source

[2]

Last Observation

Value

2025-03-10.291138

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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 2025ES2 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	1953-03-09 17:23	> 1 mo	0.0498908	0.0125514	0.8172625
EARTH	1964-05-22 18:02	> 1 mo	0.1637150	0.1495387	0.0048002
EARTH	1975-08-05 14:54	> 1 w	0.0272360	0.0163035	0.2218440
EARTH	1982-04-08 10:42	> 1 mo	0.1139752	0.0075757	0.1076716
EARTH	1993-08-06 05:05	> 1 w	0.0388295	0.0161346	0.0889002
EARTH	2000-05-07 13:56	> 1 mo	0.1556925	0.1009370	0.0182573
EARTH	2007-03-03 20:59	> 1 d	0.1746162	0.0127655	0.0692055
EARTH	2018-06-26 02:20	> 1 w	0.1377038	0.1025573	0.0117174
EARTH	2025-03-14 14:43	< 1 min	0.0146753	0.0146258	0.0000165
EARTH	2036-07-21 15:58	> 1 w	0.0834818	0.0124988	0.0341372
EARTH	2043-03-17 10:32	> 1 d	0.0251046	0.0145101	0.0404623
EARTH	2054-08-09 06:01	> 1 d	0.0707270	0.0157191	0.0414296
EARTH	2061-05-31 08:17	> 1 mo	0.1608849	0.1422492	0.0062332
EARTH	2068-03-13 00:01	> 1 w	0.0269013	0.0147920	0.0749568
EARTH	2079-07-21 07:04	> 1 mo	0.0877637	0.0125999	0.1808382
EARTH	2086-03-15 11:44	> 1 w	0.0149570	0.0149169	0.0229556
EARTH	2097-07-01 08:54	> 1 mo	0.1303492	0.0027160	3.9732007
EARTH	2104-03-08 21:49	> 1 mo	0.0986847	0.0144083	10.8929505
EARTH	2115-05-18 03:13	> 1 mo	0.1611430	0.0082391	0.8757642

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
309.27734165	70.94612890	0.01445713	MINIMUM
54.35827060	209.49323773	0.01497430	MINIMUM
2.14323219	140.56234884	0.16262097	SADDLE
181.12677156	319.48818944	0.64531963	SADDLE
2.09090371	320.50674351	1.84112137	SADDLE
181.14403855	139.50979483	2.64268931	MAXIMUM

Download:

MOID Plots

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