Asteroids

2025TB12 help

Last update: 2025-10-29 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.946

Aphelion (Q)

1.798

Eccentricity (e)

0.311

Inclination (i)

1.7

deg

Orbit period (P)

586.9

Earth MOID

0.00203

U parameter

7.8

Next Earth close approach

Date

2025-11-04

Nominal distance (from Earth center)

0.01879

2810830

Maximum Brightness

19.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.3

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-15

Observatory

Altay Astronomical 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.371905

1-sigma variation

0.000869

Unit

Eccentricity (e)

Value

0.310529

1-sigma variation

0.000467

Unit

Inclination (i)

Value

1.7235

1-sigma variation

0.0022

Unit

Long. of Ascending Node (Ω)

Value

223.1875

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

220.0105

1-sigma variation

0.0036

Unit

Mean Anomaly (M)

Value

349.13928

1-sigma variation

0.01623

Unit

Perihelion distance

Value

0.945889

1-sigma variation

Unit

Aphelion distance

Value

1.797921

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.617269

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.009722

1-sigma variation

Unit

MOID

Value

0.002035

1-sigma variation

Unit

Orbit Period

Value

586.9274

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.55501E-7	4.05797E-7	1.90464E-6	1.45509E-6	-3.12808E-6	1.41064E-5
e	4.05797E-7	2.17964E-7	1.02304E-6	7.81405E-7	-1.67949E-6	7.57664E-6
i	1.90464E-6	1.02304E-6	4.80215E-6	3.66473E-6	-7.87599E-6	3.55600E-5
Ω	1.45509E-6	7.81405E-7	3.66473E-6	2.83120E-6	-6.10375E-6	2.71890E-5
ω	-3.12808E-6	-1.67949E-6	-7.87599E-6	-6.10375E-6	1.32494E-5	-5.84942E-5
M	1.41064E-5	7.57664E-6	3.55600E-5	2.71890E-5	-5.84942E-5	2.63415E-4

Date of computation: 2025-10-29 13:00 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

26.294

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

15 - 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

0.4

Unit

Source

[1]

Normalized RMS of residuals

Value

0.558069

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-15.89318

Unit

Source

[2]

Last Observation

Value

2025-10-29.445815

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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 2025TB12 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
MARS	1950-06-04 02:37	524.5	0.0307744	0.0176678	0.0131356
EARTH	1971-01-10 14:52	> 1 w	0.0289628	0.0280100	0.0041888
EARTH	1992-01-26 07:57	> 1 w	0.0624662	0.0285674	0.1652209
EARTH	2004-10-29 10:30	> 1 w	0.0568112	0.0005630	0.1065147
EARTH	2025-11-04 23:33	< 1 min	0.0187892	0.0187082	0.0000270
EARTH	2034-01-06 13:56	> 1 w	0.0335122	0.0289232	0.0141630
EARTH	2042-02-01 17:58	> 1 w	0.1105366	0.0293072	0.1195297
EARTH	2078-11-01 17:51	> 1 w	0.0399244	0.0021516	0.0839495
EARTH	2086-11-06 04:02	> 1 mo	0.0160735	0.0025954	0.2481472
EARTH	2106-02-10 06:07	> 1 mo	0.1825248	0.0297542	11.1966663
EARTH	2113-11-17 22:14	> 1 mo	0.0188009	0.0021478	9.1594566
EARTH	2121-10-25 05:55	> 1 mo	0.1166353	0.0000511	109.3300320

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
333.39879710	306.58652347	0.00203481	MINIMUM
23.61481369	13.80076967	0.02820553	MINIMUM
1.13873648	343.74078428	0.04281502	SADDLE
179.55357134	161.37959233	0.78108257	SADDLE
358.96755525	160.80969170	1.96304379	SADDLE
179.43997918	341.30229710	2.78221892	MAXIMUM

Download:

MOID Plots

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