Asteroids

2025TF1 help

Last update: 2025-10-03 20:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.491

Aphelion (Q)

1.552

Eccentricity (e)

0.519

Inclination (i)

18.5

deg

Orbit period (P)

377.1

Earth MOID

0.00511

U parameter

8.6

Next Earth close approach

Date

2025-10-08

Nominal distance (from Earth center)

0.02161

3233356

Maximum Brightness

19.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

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

1.021472

1-sigma variation

0.001331

Unit

Eccentricity (e)

Value

0.519302

1-sigma variation

0.001440

Unit

Inclination (i)

Value

18.4811

1-sigma variation

0.0746

Unit

Long. of Ascending Node (Ω)

Value

193.8939

1-sigma variation

0.0038

Unit

Arg. of Perihelion (ω)

Value

300.2844

1-sigma variation

0.0201

Unit

Mean Anomaly (M)

Value

342.58907

1-sigma variation

0.13437

Unit

Perihelion distance

Value

0.491019

1-sigma variation

Unit

Aphelion distance

Value

1.551924

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.410134

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.010871

1-sigma variation

Unit

MOID

Value

0.005114

1-sigma variation

Unit

Orbit Period

Value

377.0838

1-sigma variation

Unit

U parameter

Value

8.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.77084E-6	1.91296E-6	9.90379E-5	-4.96239E-6	-2.51937E-5	1.78765E-4
e	1.91296E-6	2.07387E-6	1.07440E-4	-5.31845E-6	-2.66437E-5	1.93354E-4
i	9.90379E-5	1.07440E-4	5.56686E-3	-2.74951E-4	-1.37389E-3	1.00126E-2
Ω	-4.96239E-6	-5.31845E-6	-2.74951E-4	1.41586E-5	7.38674E-5	-4.99583E-4
ω	-2.51937E-5	-2.66437E-5	-1.37389E-3	7.38674E-5	4.02715E-4	-2.52456E-3
M	1.78765E-4	1.93354E-4	1.00126E-2	-4.99583E-4	-2.52456E-3	1.80541E-2

Date of computation: 2025-10-03 20:00 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

26.089

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

16 - 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

0.390651

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-02.278589

Unit

Source

[2]

Last Observation

Value

2025-10-03.807796

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (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 2025TF1 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	1960-10-06 10:09	> 1 w	0.0352295	0.0034175	0.6760629
EARTH	1961-10-11 00:04	> 1 d	0.1580931	0.0058224	0.6427778
EARTH	1992-10-06 07:43	> 1 w	0.0422769	0.0043720	0.3809517
EARTH	1993-10-11 01:44	> 1 d	0.1466918	0.0063090	0.3701959
EARTH	2024-10-01 16:51	661.0	0.1681067	0.1332510	0.0116193
EARTH	2025-10-08 17:06	< 1 min	0.0216062	0.0213887	0.0000725
EARTH	2056-10-05 14:15	> 1 w	0.0697983	0.0059351	0.4085992
EARTH	2057-10-11 02:23	> 1 d	0.1254235	0.0071474	0.4042222
EARTH	2087-10-01 18:42	> 1 w	0.1915056	0.0059052	0.3246542
EARTH	2088-10-08 04:36	> 1 w	0.0078145	0.0069641	0.1473645
EARTH	2118-10-09 06:50	> 1 mo	0.0153063	0.0078730	13.1142311
EARTH	2119-10-12 21:06	> 1 mo	0.1825337	0.0106794	9.5467108

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
272.13420021	274.34979400	0.00511219	MINIMUM
75.99668038	139.09843520	0.25847512	MINIMUM
354.39581348	23.10277140	0.53429020	SADDLE
173.46066318	210.75481306	0.64302642	SADDLE
358.96200934	211.19211128	1.49343027	SADDLE
182.34928349	35.92986426	2.51622640	MAXIMUM

Download:

MOID Plots

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