Asteroids

2025HB13 help

Last update: 2025-05-03 00:31 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.802

Aphelion (Q)

1.363

Eccentricity (e)

0.259

Inclination (i)

12.8

deg

Orbit period (P)

411.2

Earth MOID

0.01508

U parameter

7.4

Next Earth close approach

Date

2032-10-28

Nominal distance (from Earth center)

0.0633

9468868

Maximum Brightness

23.9

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-04-28

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

1.082114

1-sigma variation

0.000262

Unit

Eccentricity (e)

Value

0.259305

1-sigma variation

0.000297

Unit

Inclination (i)

Value

12.7557

1-sigma variation

0.0160

Unit

Long. of Ascending Node (Ω)

Value

41.3636

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

80.9819

1-sigma variation

0.0160

Unit

Mean Anomaly (M)

Value

71.37507

1-sigma variation

0.05094

Unit

Perihelion distance

Value

0.801516

1-sigma variation

Unit

Aphelion distance

Value

1.362712

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.021846

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.044348

1-sigma variation

Unit

MOID

Value

0.015076

1-sigma variation

Unit

Orbit Period

Value

411.1571

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.86274E-8	7.76308E-8	4.20081E-6	-1.63684E-7	4.19057E-6	-1.33451E-5
e	7.76308E-8	8.79478E-8	4.74994E-6	-1.84851E-7	4.72770E-6	-1.50993E-5
i	4.20081E-6	4.74994E-6	2.57283E-4	-1.00325E-5	2.56662E-4	-8.16781E-4
Ω	-1.63684E-7	-1.84851E-7	-1.00325E-5	3.91945E-7	-1.00220E-5	3.18188E-5
ω	4.19057E-6	4.72770E-6	2.56662E-4	-1.00220E-5	2.57110E-4	-8.14576E-4
M	-1.33451E-5	-1.50993E-5	-8.16781E-4	3.18188E-5	-8.14576E-4	2.59515E-3

Date of computation: 2025-05-02 13:17 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

26.365

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

14 - 30*

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

[-]

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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

0.690198

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-04-28.985186

Unit

Source

[2]

Last Observation

Value

2025-05-01.94726

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

58 (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 2025HB13 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	1952-11-06 23:00	> 1 d	0.0891478	0.0502755	0.0132113
EARTH	1954-05-02 17:11	564.4	0.1761185	0.1458708	0.0101093
EARTH	1961-11-09 00:47	474.4	0.1082778	0.0977517	0.0035264
EARTH	1970-11-16 15:06	> 1 d	0.1575159	0.1033548	0.0184706
EARTH	2007-04-25 19:59	> 1 d	0.1474231	0.0620658	0.0297873
EARTH	2014-10-24 08:16	1398.2	0.1467892	0.0833402	0.0213035
EARTH	2016-04-24 16:46	598.5	0.0544406	0.0295091	0.0166887
EARTH	2023-10-27 12:10	127.8	0.0898229	0.0836118	0.0020743
EARTH	2025-04-26 06:31	< 1 min	0.0288927	0.0287865	0.0000354
EARTH	2032-10-28 08:46	1432.6	0.0632955	0.0167904	0.0178871
EARTH	2034-04-27 08:51	915.0	0.0354725	0.0280750	0.0108911
EARTH	2041-10-30 03:35	> 1 d	0.0405170	0.0140226	0.0262304
EARTH	2043-04-28 14:32	1264.7	0.0508061	0.0282146	0.0165405
EARTH	2050-10-30 11:11	> 1 d	0.0423364	0.0127510	0.0252239
EARTH	2052-04-27 22:55	1408.6	0.0465325	0.0250704	0.0246945
EARTH	2059-10-30 05:16	1014.6	0.0553579	0.0165088	0.0141659
EARTH	2061-04-27 23:37	522.5	0.0369111	0.0245102	0.0078840
EARTH	2068-10-30 04:33	> 1 d	0.0470690	0.0098950	0.0237986
EARTH	2070-04-28 19:43	1390.9	0.0440767	0.0240503	0.0196181
EARTH	2077-10-30 18:27	656.9	0.0450990	0.0201293	0.0085729
EARTH	2079-04-29 07:17	323.3	0.0429522	0.0392535	0.0013293
EARTH	2086-10-30 15:24	> 1 d	0.0567421	0.0083999	0.0263172
EARTH	2088-04-28 09:47	1415.7	0.0346893	0.0207892	0.0226952
EARTH	2095-10-31 17:51	242.4	0.0458625	0.0291868	0.0056651
EARTH	2097-04-29 09:09	29.1	0.0452344	0.0436218	0.0005377
EARTH	2104-11-02 03:32	> 1 d	0.0282403	0.0044886	0.0314629
EARTH	2106-05-01 11:07	> 1 d	0.0555754	0.0237527	0.0145898
EARTH	2113-10-31 14:41	> 1 d	0.0676279	0.0051252	0.0819811
EARTH	2115-04-30 09:43	> 1 d	0.0227361	0.0171382	0.0582767
EARTH	2122-11-01 11:33	> 1 w	0.0634156	0.0031526	0.1741200
EARTH	2124-04-30 09:08	> 1 d	0.0328670	0.0165867	0.1305003

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
290.86468401	297.15240689	0.01507577	MINIMUM
78.29834484	112.82219316	0.02888783	MINIMUM
5.14763541	26.23776662	0.26901925	SADDLE
183.91833468	203.24497227	0.43357471	SADDLE
2.36264540	202.57328723	1.80579015	SADDLE
180.20351695	20.28426000	2.33351973	MAXIMUM

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MOID Plots

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