Asteroids

2025TO2 help

Last update: 2025-10-20 13:32 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.008

Aphelion (Q)

1.665

Eccentricity (e)

0.246

Inclination (i)

9.5

deg

Orbit period (P)

564.3

Earth MOID

0.00756

U parameter

6.4

Next Earth close approach

Date

2042-09-29

Nominal distance (from Earth center)

0.02695

4031251

Maximum Brightness

21.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-04

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

1.336358

1-sigma variation

0.000110

Unit

Eccentricity (e)

Value

0.245790

1-sigma variation

0.000061

Unit

Inclination (i)

Value

9.4571

1-sigma variation

0.0018

Unit

Long. of Ascending Node (Ω)

Value

191.7752

1-sigma variation

2.645E-5

Unit

Arg. of Perihelion (ω)

Value

177.7130

1-sigma variation

0.0010

Unit

Mean Anomaly (M)

Value

31.06218

1-sigma variation

0.00330

Unit

Perihelion distance

Value

1.007895

1-sigma variation

Unit

Aphelion distance

Value

1.664822

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.663692

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.007642

1-sigma variation

Unit

MOID

Value

0.007558

1-sigma variation

Unit

Orbit Period

Value

564.2646

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.21379E-8	6.73279E-9	1.97071E-7	-2.90392E-9	-1.11490E-7	-3.63387E-7
e	6.73279E-9	3.73462E-9	1.09313E-7	-1.61079E-9	-6.18433E-8	-2.01567E-7
i	1.97071E-7	1.09313E-7	3.20004E-6	-4.71681E-8	-1.81073E-6	-5.89959E-6
Ω	-2.90392E-9	-1.61079E-9	-4.71681E-8	6.99457E-10	2.67307E-8	8.69016E-8
ω	-1.11490E-7	-6.18433E-8	-1.81073E-6	2.67307E-8	1.03011E-6	3.33422E-6
M	-3.63387E-7	-2.01567E-7	-5.89959E-6	8.69016E-8	3.33422E-6	1.08813E-5

Date of computation: 2025-10-20 13:32 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

26.355

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

[-]

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

0.797879

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-04.177677

Unit

Source

[2]

Last Observation

Value

2025-10-20.23896

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

52 (3)

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 2025TO2 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	1956-09-12 19:59	> 1 mo	0.1067014	0.0255883	0.1955111
EARTH	1982-10-10 02:26	> 1 d	0.0286145	0.0053463	0.0131591
EARTH	2002-09-07 04:31	> 1 d	0.1403141	0.0959423	0.0151310
EARTH	2025-10-05 18:48	< 1 s	0.0094310	0.0094252	0.0000019
EARTH	2042-09-29 19:37	> 1 d	0.0269472	0.0055690	0.0110305
EARTH	2062-10-08 08:44	> 1 w	0.0196981	0.0066829	0.1189537
EARTH	2079-10-23 14:54	> 1 mo	0.1153668	0.0170501	2.1846658
EARTH	2110-09-17 11:24	> 1 mo	0.0917502	0.0178871	1.2373469

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
1.49378838	271.09134628	0.00755803	MINIMUM
176.94843940	85.27748072	0.66520804	SADDLE
355.79523991	83.85881370	2.00736743	SADDLE
177.84231269	265.96186994	2.66638474	MAXIMUM

Download:

MOID Plots

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