Asteroids

2025HR5 help

Last update: 2025-05-04 13:39 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Amor

Perihelion (q)

1.084

Aphelion (Q)

1.684

Eccentricity (e)

0.217

Inclination (i)

18.6

deg

Orbit period (P)

594.9

Earth MOID

0.08783

U parameter

8.3

Next Earth close approach

Date

2069-05-01

Nominal distance (from Earth center)

0.10498

15704913

Maximum Brightness

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-04-26

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

1.384373

1-sigma variation

0.001900

Unit

Eccentricity (e)

Value

0.216726

1-sigma variation

0.000929

Unit

Inclination (i)

Value

18.5820

1-sigma variation

0.0453

Unit

Long. of Ascending Node (Ω)

Value

38.7273

1-sigma variation

0.0040

Unit

Arg. of Perihelion (ω)

Value

200.9786

1-sigma variation

0.0138

Unit

Mean Anomaly (M)

Value

349.22432

1-sigma variation

0.03148

Unit

Perihelion distance

Value

1.084343

1-sigma variation

Unit

Aphelion distance

Value

1.684402

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.661573

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.090263

1-sigma variation

Unit

MOID

Value

0.087835

1-sigma variation

Unit

Orbit Period

Value

594.9465

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.60864E-6	1.76496E-6	8.59660E-5	-7.56034E-6	-2.39514E-5	5.94700E-5
e	1.76496E-6	8.63321E-7	4.20376E-5	-3.69698E-6	-1.16608E-5	2.90548E-5
i	8.59660E-5	4.20376E-5	2.04861E-3	-1.80171E-4	-5.75068E-4	1.41935E-3
Ω	-7.56034E-6	-3.69698E-6	-1.80171E-4	1.58458E-5	5.06003E-5	-1.24841E-4
ω	-2.39514E-5	-1.16608E-5	-5.75068E-4	5.06003E-5	1.91102E-4	-4.13672E-4
M	5.94700E-5	2.90548E-5	1.41935E-3	-1.24841E-4	-4.13672E-4	9.91243E-4

Date of computation: 2025-04-30 13:01 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

25.294

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

23 - 50*

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

0.778195

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-04-25.323396

Unit

Source

[2]

Last Observation

Value

2025-04-30.236643

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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 2025HR5 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	1968-05-01 09:07	> 1 w	0.0914650	0.0874197	0.1503865
EARTH	1981-05-05 02:03	> 1 d	0.1769649	0.0839402	0.4072062
EARTH	2012-04-28 15:38	> 1 d	0.1713446	0.0836920	0.1450422
EARTH	2025-05-03 01:07	1.8	0.0938527	0.0931215	0.0002438
EARTH	2069-05-01 06:03	> 1 w	0.1049809	0.0877293	0.2585849
EARTH	2082-05-04 23:20	> 1 w	0.1465736	0.0858935	0.5308963

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
345.73561561	118.80106225	0.08802296	MINIMUM
199.34853406	331.83594621	0.72750785	SADDLE
7.70807221	325.25405412	2.06680742	SADDLE
178.52537911	135.71976758	2.69530714	MAXIMUM

Download:

MOID Plots

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