Asteroids

2025UT help

Last update: 2025-10-19 01:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.903

Aphelion (Q)

3.030

Eccentricity (e)

0.541

Inclination (i)

2.2

deg

Orbit period (P)

1007.4

Earth MOID

0.00249

U parameter

6.9

Next Earth close approach

Date

2036-11-26

Nominal distance (from Earth center)

0.08845

13231507

Maximum Brightness

33.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.2

mag

Diameter

10 - 22*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-17

Observatory

Palomar Mountain--ZTF

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

1.966644

1-sigma variation

0.000608

Unit

Eccentricity (e)

Value

0.540744

1-sigma variation

0.000150

Unit

Inclination (i)

Value

2.2225

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

21.2285

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

46.5326

1-sigma variation

0.0006

Unit

Mean Anomaly (M)

Value

0.60758

1-sigma variation

0.00049

Unit

Perihelion distance

Value

0.903194

1-sigma variation

Unit

Aphelion distance

Value

3.030094

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.016887

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.211407

1-sigma variation

Unit

MOID

Value

0.002486

1-sigma variation

Unit

Orbit Period

Value

1007.3653

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.69599E-7	9.13195E-8	3.10728E-7	4.90213E-9	-4.89592E-8	2.92606E-7
e	9.13195E-8	2.25641E-8	7.67182E-8	1.11012E-9	-1.14764E-8	7.21849E-8
i	3.10728E-7	7.67182E-8	2.65636E-7	1.15497E-8	-7.34464E-8	2.51335E-7
Ω	4.90213E-9	1.11012E-9	1.15497E-8	1.27855E-8	-5.84833E-8	1.35649E-8
ω	-4.89592E-8	-1.14764E-8	-7.34464E-8	-5.84833E-8	3.41193E-7	-9.81859E-8
M	2.92606E-7	7.21849E-8	2.51335E-7	1.35649E-8	-9.81859E-8	2.42328E-7

Date of computation: 2025-10-19 01:30 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

27.157

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

10 - 22*

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

0.8

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.82483

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-17.383355

Unit

Source

[2]

Last Observation

Value

2025-10-18.17135

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

29 (5)

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 2025UT 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	1952-12-16 03:35	> 1 mo	0.0739847	0.0471153	0.0647741
EARTH	1967-01-08 14:38	> 1 w	0.0433053	0.0400175	0.0212230
MARS	2000-12-12 00:01	> 1 d	0.0198543	0.0122267	0.0404928
EARTH	2025-10-17 18:00	< 1 s	0.0044157	0.0044125	0.0000011
EARTH	2036-11-26 18:15	> 1 w	0.0884472	0.0836015	0.0018466
EARTH	2048-01-09 02:30	> 1 w	0.0379995	0.0379162	0.0028926
EARTH	2094-10-11 08:20	> 1 mo	0.0623206	0.0033898	0.5845474
EARTH	2105-11-19 12:04	> 1 mo	0.0819219	0.0211078	0.1070774
EARTH	2117-01-03 12:18	> 1 mo	0.0473696	0.0375780	0.5837705

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
335.76592046	284.48117006	0.00248622	MINIMUM
22.26529860	5.99032735	0.03811220	MINIMUM
359.86940229	326.79197816	0.08730291	SADDLE
359.04992377	145.33186647	1.91815048	SADDLE
179.74601564	146.11427874	2.01549180	SADDLE
179.70355867	326.09625782	4.01621243	MAXIMUM

Download:

MOID Plots

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