Asteroids

2025TR5 help

Last update: 2025-10-15 15:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.010

Aphelion (Q)

1.480

Eccentricity (e)

0.189

Inclination (i)

10.1

deg

Orbit period (P)

507.5

Earth MOID

0.01167

U parameter

7.1

Next Earth close approach

Date

2050-10-15

Nominal distance (from Earth center)

0.02921

4369668

Maximum Brightness

20.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-13

Observatory

ATLAS-HKO, Haleakala

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

1.245147

1-sigma variation

0.000275

Unit

Eccentricity (e)

Value

0.188880

1-sigma variation

0.000173

Unit

Inclination (i)

Value

10.1314

1-sigma variation

0.0070

Unit

Long. of Ascending Node (Ω)

Value

18.5759

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

357.2550

1-sigma variation

0.0063

Unit

Mean Anomaly (M)

Value

30.47044

1-sigma variation

0.00858

Unit

Perihelion distance

Value

1.009964

1-sigma variation

Unit

Aphelion distance

Value

1.480330

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.011774

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.477193

1-sigma variation

Unit

MOID

Value

0.011667

1-sigma variation

Unit

Orbit Period

Value

507.4923

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.56675E-8	4.74668E-8	1.90454E-6	8.81656E-8	-9.72618E-7	-2.16654E-6
e	4.74668E-8	2.97829E-8	1.19271E-6	5.55219E-8	-6.23630E-7	-1.35036E-6
i	1.90454E-6	1.19271E-6	4.85743E-5	2.15711E-6	-2.04431E-5	-5.71406E-5
Ω	8.81656E-8	5.55219E-8	2.15711E-6	1.10367E-7	-1.57313E-6	-2.24049E-6
ω	-9.72618E-7	-6.23630E-7	-2.04431E-5	-1.57313E-6	4.01798E-5	9.95598E-6
M	-2.16654E-6	-1.35036E-6	-5.71406E-5	-2.24049E-6	9.95598E-6	7.35999E-5

Date of computation: 2025-10-15 15:00 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

26.03

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

17 - 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

0.446326

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-13.505995

Unit

Source

[2]

Last Observation

Value

2025-10-14.83168

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

40 (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 2025TR5 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	1979-10-19 21:13	> 1 d	0.0625746	0.0074125	0.0189345
EARTH	1986-09-30 14:46	> 1 w	0.0757189	0.0010324	0.0538339
EARTH	2018-10-31 18:40	1143.9	0.1832483	0.1405901	0.0142490
EARTH	2025-10-10 18:05	< 1 min	0.0131040	0.0130729	0.0000104
EARTH	2050-10-15 08:12	> 1 d	0.0292094	0.0102158	0.0422903
EARTH	2057-09-19 04:20	> 1 w	0.1486902	0.0285042	0.1123027
EARTH	2089-10-23 13:50	> 1 mo	0.0973359	0.0028361	0.6154077
EARTH	2096-10-02 12:57	> 1 mo	0.0602931	0.0036504	0.3382588

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
1.85508996	277.75107693	0.01166653	MINIMUM
174.00440622	89.01985221	0.47938856	SADDLE
354.20194141	88.63876121	2.01109115	SADDLE
176.91120810	271.38660225	2.48009636	MAXIMUM

Download:

MOID Plots

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