Asteroids

2025HE help

Last update: 2025-04-21 12:30 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.886

Aphelion (Q)

2.429

Eccentricity (e)

0.466

Inclination (i)

0.3

deg

Orbit period (P)

779.5

Earth MOID

0.00480

U parameter

7.3

Next Earth close approach

Date

2042-07-31

Nominal distance (from Earth center)

0.0462

6911357

Maximum Brightness

25.7

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-04-18

Observatory

GINOP-KHK, Piszkesteto

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

1.657550

1-sigma variation

0.000618

Unit

Eccentricity (e)

Value

0.465601

1-sigma variation

0.000225

Unit

Inclination (i)

Value

0.3499

1-sigma variation

0.0002

Unit

Long. of Ascending Node (Ω)

Value

84.8528

1-sigma variation

0.0642

Unit

Arg. of Perihelion (ω)

Value

176.9703

1-sigma variation

0.0635

Unit

Mean Anomaly (M)

Value

348.53142

1-sigma variation

0.00819

Unit

Perihelion distance

Value

0.885793

1-sigma variation

Unit

Aphelion distance

Value

2.429307

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.443166

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.129451

1-sigma variation

Unit

MOID

Value

0.004801

1-sigma variation

Unit

Orbit Period

Value

779.4685

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.81471E-7	1.38922E-7	-5.16273E-8	3.32542E-5	-3.27211E-5	5.05660E-6
e	1.38922E-7	5.05925E-8	-1.87384E-8	1.20947E-5	-1.19004E-5	1.84144E-6
i	-5.16273E-8	-1.87384E-8	2.65716E-8	-9.38554E-6	9.33098E-6	-6.88145E-7
Ω	3.32542E-5	1.20947E-5	-9.38554E-6	4.11762E-3	-4.07548E-3	4.41737E-4
ω	-3.27211E-5	-1.19004E-5	9.33098E-6	-4.07548E-3	4.03416E-3	-4.34685E-4
M	5.05660E-6	1.84144E-6	-6.88145E-7	4.41737E-4	-4.34685E-4	6.70317E-5

Date of computation: 2025-04-21 12:30 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

27.423

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

9 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.43569

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-04-18.882477

Unit

Source

[2]

Last Observation

Value

2025-04-20.001308

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

54 (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 2025HE 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	1963-05-06 00:57	> 1 mo	0.0758190	0.0053724	0.2948528
EARTH	1980-08-09 20:07	> 1 d	0.0307385	0.0018911	0.0464925
EARTH	1995-07-19 13:51	> 1 w	0.0857186	0.0026986	0.0526008
EARTH	2010-05-28 20:06	> 1 w	0.1193946	0.0766750	0.0142667
EARTH	2025-04-20 19:35	< 1 min	0.0049480	0.0049414	0.0000022
EARTH	2042-07-31 05:20	> 1 w	0.0461996	0.0048805	0.0485888
EARTH	2057-04-12 21:21	> 1 d	0.0859073	0.0050921	0.0445569
EARTH	2074-05-17 08:28	> 1 mo	0.1017978	0.0069664	0.0535341
EARTH	2091-07-22 03:22	> 1 w	0.0830596	0.0055750	0.0722062
EARTH	2108-08-18 01:27	> 1 d	0.0923989	0.0048163	0.0349076
EARTH	2123-04-29 07:31	> 1 w	0.0382352	0.0048342	0.0654361

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.44705586	213.00220976	0.00480124	MINIMUM
327.75406719	107.53615157	0.00494991	MINIMUM
0.68458631	160.36382152	0.12951233	SADDLE
180.24803378	339.87102896	1.44466934	SADDLE
0.66514208	340.34217727	1.87040853	SADDLE
180.25580789	159.87973319	3.44458866	MAXIMUM

Download:

MOID Plots

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