Asteroids

2025TS2 help

Last update: 2025-10-05 11:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.822

Aphelion (Q)

1.296

Eccentricity (e)

0.224

Inclination (i)

9.1

deg

Orbit period (P)

398.1

Earth MOID

0.03006

U parameter

7.9

Next Earth close approach

Date

2027-03-28

Nominal distance (from Earth center)

0.07871

11775069

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.7

mag

Diameter

19 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-02

Observatory

Mt. Lemmon Survey

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

1.059091

1-sigma variation

0.000570

Unit

Eccentricity (e)

Value

0.223860

1-sigma variation

0.000741

Unit

Inclination (i)

Value

9.1042

1-sigma variation

0.0350

Unit

Long. of Ascending Node (Ω)

Value

187.7716

1-sigma variation

0.0087

Unit

Arg. of Perihelion (ω)

Value

284.5336

1-sigma variation

0.0429

Unit

Mean Anomaly (M)

Value

329.46831

1-sigma variation

0.09117

Unit

Perihelion distance

Value

0.822003

1-sigma variation

Unit

Aphelion distance

Value

1.296179

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.046962

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.064250

1-sigma variation

Unit

MOID

Value

0.030061

1-sigma variation

Unit

Orbit Period

Value

398.1057

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.25187E-7	4.20399E-7	1.99329E-5	4.96877E-6	-2.40354E-5	5.19867E-5
e	4.20399E-7	5.49474E-7	2.59046E-5	6.45193E-6	-3.04431E-5	6.72794E-5
i	1.99329E-5	2.59046E-5	1.22491E-3	3.05218E-4	-1.45903E-3	3.18822E-3
Ω	4.96877E-6	6.45193E-6	3.05218E-4	7.60589E-5	-3.64272E-4	7.94678E-4
ω	-2.40354E-5	-3.04431E-5	-1.45903E-3	-3.64272E-4	1.84274E-3	-3.83497E-3
M	5.19867E-5	6.72794E-5	3.18822E-3	7.94678E-4	-3.83497E-3	8.31183E-3

Date of computation: 2025-10-05 11:00 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

25.704

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

19 - 40*

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

0.617166

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-02.466231

Unit

Source

[2]

Last Observation

Value

2025-10-05.43734

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (1)

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 2025TS2 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	1954-09-28 20:06	> 1 w	0.1660633	0.0690101	0.0935444
EARTH	1956-04-12 23:25	> 1 d	0.1160403	0.0303191	0.1015437
EARTH	1966-10-11 23:30	> 1 d	0.0738862	0.0388233	0.0424750
EARTH	1968-04-06 14:42	> 1 d	0.0326969	0.0268137	0.0194711
EARTH	1978-10-09 08:19	729.8	0.1152783	0.0991035	0.0054181
EARTH	1980-04-10 17:24	1204.8	0.0834751	0.0437116	0.0144153
EARTH	2001-10-06 18:23	> 1 d	0.1777234	0.0369907	0.0601879
EARTH	2003-02-20 01:02	> 1 mo	0.1744576	0.1104915	0.0371627
EARTH	2013-10-11 11:14	> 1 d	0.0526712	0.0380421	0.0394155
EARTH	2015-03-29 01:32	> 1 w	0.0761895	0.0329704	0.0505392
EARTH	2025-10-11 15:36	< 1 min	0.0440746	0.0435881	0.0001621
EARTH	2027-03-28 20:03	904.7	0.0787115	0.0674999	0.0038027
EARTH	2037-10-07 18:21	> 1 d	0.1455312	0.0365364	0.0560768
EARTH	2039-02-19 18:58	> 1 w	0.1761635	0.1173418	0.0320464
EARTH	2052-04-18 00:17	> 1 d	0.1910320	0.0363435	0.0879494
EARTH	2062-10-09 19:54	> 1 w	0.1089261	0.0429952	0.0826580
EARTH	2064-04-09 06:10	> 1 d	0.0550827	0.0298624	0.0721000
EARTH	2074-10-12 08:04	807.0	0.0767594	0.0365786	0.0237901
EARTH	2076-04-07 13:38	> 1 d	0.0384625	0.0295144	0.0270747
EARTH	2086-09-27 08:56	> 1 mo	0.1742796	0.0747058	0.1116991
EARTH	2086-11-28 07:41	> 1 mo	0.1919353	0.0643613	0.0840524
EARTH	2088-04-15 13:32	> 1 w	0.1518054	0.0343700	0.1514708
EARTH	2109-10-10 22:04	> 1 d	0.1092640	0.0396261	0.1643600
EARTH	2111-03-15 10:49	> 1 mo	0.1302807	0.0628169	0.1353300
EARTH	2121-10-13 06:17	874.4	0.0433416	0.0395614	0.0119733
EARTH	2123-03-31 20:23	> 1 d	0.0682655	0.0369731	0.0158821

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
71.33900977	93.94380994	0.03006119	MINIMUM
279.46441284	278.28905902	0.03740885	MINIMUM
354.73734453	4.40100442	0.21396900	SADDLE
176.12476233	188.16603542	0.33012347	SADDLE
0.18127611	191.16508116	1.83447262	SADDLE
181.42720854	12.48893838	2.27351271	MAXIMUM

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MOID Plots

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