Asteroids

2025UF5 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.918

Aphelion (Q)

1.093

Eccentricity (e)

0.087

Inclination (i)

3.3

deg

Orbit period (P)

368.2

Earth MOID

0.00265

U parameter

6.1

Next Earth close approach

Date

2026-11-09

Nominal distance (from Earth center)

0.04824

7216394

Maximum Brightness

24.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.6

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-23

Observatory

Pleasant Groves Observatory

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.005426

1-sigma variation

0.000036

Unit

Eccentricity (e)

Value

0.087281

1-sigma variation

0.000048

Unit

Inclination (i)

Value

3.3381

1-sigma variation

0.0012

Unit

Long. of Ascending Node (Ω)

Value

219.4009

1-sigma variation

0.0039

Unit

Arg. of Perihelion (ω)

Value

261.2823

1-sigma variation

0.0191

Unit

Mean Anomaly (M)

Value

142.81622

1-sigma variation

0.00832

Unit

Perihelion distance

Value

0.917671

1-sigma variation

Unit

Aphelion distance

Value

1.093180

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.004231

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.008236

1-sigma variation

Unit

MOID

Value

0.002649

1-sigma variation

Unit

Orbit Period

Value

368.2336

1-sigma variation

Unit

U parameter

Value

6.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.26474E-9	1.57085E-9	1.75427E-8	1.16381E-7	-6.55398E-7	2.94237E-7
e	1.57085E-9	2.28688E-9	4.11043E-8	1.07812E-7	-7.21149E-7	3.48843E-7
i	1.75427E-8	4.11043E-8	1.36245E-6	-5.27080E-7	-3.72214E-6	3.12744E-6
Ω	1.16381E-7	1.07812E-7	-5.27080E-7	1.48441E-5	-7.05733E-5	2.88811E-5
ω	-6.55398E-7	-7.21149E-7	-3.72214E-6	-7.05733E-5	3.65412E-4	-1.57060E-4
M	2.94237E-7	3.48843E-7	3.12744E-6	2.88811E-5	-1.57060E-4	6.92769E-5

Date of computation: 2026-07-30 14:25 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

27.618

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

8 - 18*

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

358

Unit

Source

[1]

Normalized RMS of residuals

Value

0.467403

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-23.23475

Unit

Source

[2]

Last Observation

Value

2025-10-24.72928

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025UF5 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1963-10-25 17:51	> 1 d	0.0731682	0.0047405	0.0296190
EARTH	1964-08-25 20:41	> 1 mo	0.1028694	0.0618681	0.0137361
EARTH	1965-01-22 09:10	> 1 mo	0.0754871	0.0753359	0.0003031
EARTH	1965-05-27 16:23	> 1 mo	0.0853613	0.0534902	0.0214283
EARTH	1966-04-15 09:26	> 1 d	0.0958681	0.0183414	0.0496222
EARTH	1994-10-23 13:16	292.0	0.0899933	0.0838823	0.0020371
EARTH	1995-09-05 12:09	> 1 d	0.0957716	0.0910221	0.0015847
EARTH	1996-01-07 19:39	> 1 d	0.0738588	0.0721441	0.0005982
EARTH	1996-06-05 06:24	> 1 d	0.0940159	0.0893080	0.0016048
EARTH	1997-04-13 18:24	219.2	0.0777222	0.0625665	0.0050894
EARTH	2025-10-29 12:57	1.1	0.0051732	0.0051626	0.0000035
EARTH	2026-11-09 18:58	216.0	0.0482386	0.0472877	0.0003172
EARTH	2027-08-21 07:25	997.9	0.0951744	0.0946617	0.0001709
EARTH	2028-01-11 16:07	1120.1	0.0835306	0.0832141	0.0001056
EARTH	2028-07-06 04:31	1069.5	0.0970457	0.0968561	0.0000635
EARTH	2029-03-18 09:46	1004.0	0.0711246	0.0699509	0.0003920
EARTH	2029-05-18 08:05	750.2	0.0662670	0.0650641	0.0004022
EARTH	2030-04-22 11:42	37.0	0.0125891	0.0112804	0.0004490
EARTH	2031-04-21 23:30	75.1	0.0130924	0.0119433	0.0003918
EARTH	2032-05-14 10:47	778.6	0.0596976	0.0582445	0.0004861
EARTH	2033-01-11 19:43	> 1 d	0.0937240	0.0935999	0.0000416
EARTH	2033-07-01 06:06	1354.6	0.0860964	0.0856882	0.0001371
EARTH	2033-12-02 12:52	1223.0	0.0803513	0.0796389	0.0002399
EARTH	2034-10-25 08:10	640.0	0.0472993	0.0461865	0.0003769
EARTH	2035-10-04 00:23	148.6	0.0305173	0.0299873	0.0001889
EARTH	2036-09-22 15:32	56.8	0.0905769	0.0884410	0.0007130
EARTH	2037-09-16 00:14	32.0	0.1758719	0.1733257	0.0008489
EARTH	2095-04-20 06:24	88.3	0.1309433	0.1222987	0.0028820
EARTH	2096-04-16 17:33	33.4	0.0467079	0.0391162	0.0025384
EARTH	2097-04-18 06:27	105.4	0.0146419	0.0128890	0.0005976
EARTH	2098-01-12 01:38	> 1 d	0.0966776	0.0958087	0.0002980
EARTH	2098-06-29 13:33	> 1 d	0.0830928	0.0827723	0.0001462
EARTH	2098-11-08 03:07	> 1 d	0.0684908	0.0630088	0.0021424
EARTH	2099-09-23 17:52	> 1 d	0.0440702	0.0347885	0.0046600
EARTH	2100-09-10 00:33	844.9	0.1575396	0.1301315	0.0091998

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
91.76302502	112.16260454	0.00264943	MINIMUM
279.72090736	291.92561509	0.00526017	MINIMUM
6.00735108	22.43562619	0.08660097	SADDLE
185.45627089	201.59613658	0.09845473	SADDLE
4.34536292	200.63795562	1.93285019	SADDLE
183.16998412	19.45737587	2.07660685	MAXIMUM

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MOID Plots

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