Asteroids

2025TJ11 help

Last update: 2025-10-17 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.839

Aphelion (Q)

3.114

Eccentricity (e)

0.575

Inclination (i)

1.6

deg

Orbit period (P)

1015.2

Earth MOID

0.01100

U parameter

7.9

Next Earth close approach

Date

2025-10-20

Nominal distance (from Earth center)

0.01836

2746414

Maximum Brightness

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

2025-10-15

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

1.976814

1-sigma variation

0.002321

Unit

Eccentricity (e)

Value

0.575477

1-sigma variation

0.000540

Unit

Inclination (i)

Value

1.6080

1-sigma variation

0.0017

Unit

Long. of Ascending Node (Ω)

Value

185.5323

1-sigma variation

0.0066

Unit

Arg. of Perihelion (ω)

Value

258.5481

1-sigma variation

0.0102

Unit

Mean Anomaly (M)

Value

357.13129

1-sigma variation

0.00893

Unit

Perihelion distance

Value

0.839203

1-sigma variation

Unit

Aphelion distance

Value

3.114424

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.494323

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.183996

1-sigma variation

Unit

MOID

Value

0.011003

1-sigma variation

Unit

Orbit Period

Value

1015.1893

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.38495E-6	1.25327E-6	3.79020E-6	8.81112E-6	-1.11233E-5	2.06829E-5
e	1.25327E-6	2.91836E-7	8.75670E-7	1.98447E-6	-2.47736E-6	4.80729E-6
i	3.79020E-6	8.75670E-7	2.94272E-6	9.02770E-6	-1.25411E-5	1.48227E-5
Ω	8.81112E-6	1.98447E-6	9.02770E-6	4.34683E-5	-6.66256E-5	3.65651E-5
ω	-1.11233E-5	-2.47736E-6	-1.25411E-5	-6.66256E-5	1.04026E-4	-4.73095E-5
M	2.06829E-5	4.80729E-6	1.48227E-5	3.65651E-5	-4.73095E-5	7.97025E-5

Date of computation: 2025-10-17 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

25.701

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

0.698911

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-15.497581

Unit

Source

[2]

Last Observation

Value

2025-10-17.03972

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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 2025TJ11 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	1958-10-08 19:05	> 1 d	0.1590429	0.0097837	0.1138591
EARTH	1984-02-18 22:29	> 1 w	0.1420432	0.0207307	0.2039407
EARTH	1998-01-29 01:08	> 1 mo	0.0562262	0.0211631	0.2114431
EARTH	2011-12-10 12:14	> 1 mo	0.1430201	0.1033355	0.0133399
EARTH	2025-10-20 15:17	< 1 min	0.0183586	0.0183088	0.0000166
EARTH	2037-02-20 05:11	> 1 w	0.1649143	0.0197428	0.1201681
EARTH	2050-11-09 09:01	> 1 mo	0.0912634	0.0095843	0.1589862
EARTH	2076-01-16 18:30	> 1 mo	0.1085205	0.0193313	0.0989869
MARS	2076-04-19 07:13	> 1 w	0.0488389	0.0232377	0.1130000
EARTH	2089-10-07 23:23	> 1 d	0.1881459	0.0662823	0.0407400
EARTH	2101-02-14 17:18	> 1 d	0.0732002	0.0198580	0.0741669
MARS	2114-09-12 21:05	> 1 d	0.0491061	0.0468480	0.0393953
EARTH	2114-11-06 11:39	> 1 w	0.0785348	0.0111504	0.1126333

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
329.54459698	288.36420133	0.01100273	MINIMUM
29.61363159	36.17096216	0.02041145	MINIMUM
359.58618867	342.32873286	0.14724767	SADDLE
359.48368761	162.14668670	1.85637960	SADDLE
179.86859409	162.60806435	2.09762317	SADDLE
179.86390319	342.60877634	4.09845815	MAXIMUM

Download:

MOID Plots

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