Asteroids

2025TN5 help

Last update: 2025-10-14 05:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.775

Aphelion (Q)

3.548

Eccentricity (e)

0.641

Inclination (i)

6.4

deg

Orbit period (P)

1160.8

Earth MOID

0.00044

U parameter

8.4

Next Earth close approach

Date

2057-05-16

Nominal distance (from Earth center)

0.1722

25760540

Maximum Brightness

26.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.9

mag

Diameter

7 - 16*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-12

Observatory

Pan-STARRS 1, 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

2.161530

1-sigma variation

0.006631

Unit

Eccentricity (e)

Value

0.641289

1-sigma variation

0.001240

Unit

Inclination (i)

Value

6.3673

1-sigma variation

0.0096

Unit

Long. of Ascending Node (Ω)

Value

196.9457

1-sigma variation

0.0018

Unit

Arg. of Perihelion (ω)

Value

115.0666

1-sigma variation

0.0066

Unit

Mean Anomaly (M)

Value

25.95678

1-sigma variation

0.12761

Unit

Perihelion distance

Value

0.775365

1-sigma variation

Unit

Aphelion distance

Value

3.547696

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.744789

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001952

1-sigma variation

Unit

MOID

Value

0.000445

1-sigma variation

Unit

Orbit Period

Value

1160.7547

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.39744E-5	8.22442E-6	6.33353E-5	1.03093E-5	-3.95686E-5	-8.46194E-4
e	8.22442E-6	1.53829E-6	1.18466E-5	1.93724E-6	-7.42836E-6	-1.58262E-4
i	6.33353E-5	1.18466E-5	9.12470E-5	1.49666E-5	-5.73480E-5	-1.21876E-3
Ω	1.03093E-5	1.93724E-6	1.49666E-5	3.29856E-6	-1.19357E-5	-1.98421E-4
ω	-3.95686E-5	-7.42836E-6	-5.73480E-5	-1.19357E-5	4.37538E-5	7.61524E-4
M	-8.46194E-4	-1.58262E-4	-1.21876E-3	-1.98421E-4	7.61524E-4	1.62832E-2

Date of computation: 2025-10-14 05:30 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

27.877

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

7 - 16*

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

0.482592

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-12.458749

Unit

Source

[2]

Last Observation

Value

2025-10-14.19763

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

15 (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 2025TN5 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	2019-10-21 07:53	> 1 w	0.1646541	0.0023017	0.1531240
EARTH	2022-10-16 04:26	> 1 d	0.0817027	0.0005821	0.0852758
EARTH	2025-10-10 04:18	3.1	0.0009135	0.0009110	0.0000008
EARTH	2057-05-16 06:04	> 1 mo	0.1721986	0.0858667	0.6528693
EARTH	2060-10-16 20:22	> 1 mo	0.1010747	0.0025998	0.7668830
EARTH	2092-05-23 20:12	> 1 w	0.0992440	0.0906106	0.1324461

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.00221659	276.41556400	0.00044471	MINIMUM
325.14268383	142.16655289	0.08364182	MINIMUM
358.03618297	207.21909297	0.25715107	SADDLE
359.08268011	29.49275992	1.75898481	SADDLE
179.70898218	30.56194266	2.56866423	SADDLE
179.89900203	210.64650847	4.55939640	MAXIMUM

Download:

MOID Plots

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