Asteroids

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Last update: 2026-10-08 06:45 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Amor

Perihelion (q)

1.031

Aphelion (Q)

3.239

Eccentricity (e)

0.517

Inclination (i)

0.9

deg

Orbit period (P)

1139.6

Earth MOID

0.03397

U parameter

9.0

Next Earth close approach

Date

2079-11-04

Nominal distance (from Earth center)

0.10336

15462789

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-06

Observatory

University of Arizona 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

61400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.135152

1-sigma variation

0.020862

Unit

Eccentricity (e)

Value

0.516961

1-sigma variation

0.004598

Unit

Inclination (i)

Value

0.8667

1-sigma variation

0.0028

Unit

Long. of Ascending Node (Ω)

Value

341.6102

1-sigma variation

0.2487

Unit

Arg. of Perihelion (ω)

Value

34.5114

1-sigma variation

0.3090

Unit

Mean Anomaly (M)

Value

24.65579

1-sigma variation

0.37354

Unit

Perihelion distance

Value

1.031361

1-sigma variation

Unit

Aphelion distance

Value

3.238943

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.090231

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.733170

1-sigma variation

Unit

MOID

Value

0.033968

1-sigma variation

Unit

Orbit Period

Value

1139.5716

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.35213E-4	9.59270E-5	3.39390E-5	-4.71662E-3	5.77352E-3	-7.79030E-3
e	9.59270E-5	2.11436E-5	7.48280E-6	-1.03951E-3	1.27243E-3	-1.71708E-3
i	3.39390E-5	7.48280E-6	7.58296E-6	-1.37564E-4	1.44910E-4	-5.87102E-4
Ω	-4.71662E-3	-1.03951E-3	-1.37564E-4	6.18564E-2	-7.68128E-2	8.53792E-2
ω	5.77352E-3	1.27243E-3	1.44910E-4	-7.68128E-2	9.54790E-2	-1.04608E-1
M	-7.79030E-3	-1.71708E-3	-5.87102E-4	8.53792E-2	-1.04608E-1	1.39531E-1

Date of computation: 2026-10-08 06:45 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

27.341

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

9 - 20*

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

1.0

Unit

Source

[1]

Normalized RMS of residuals

Value

0.688903

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-06.259741

Unit

Source

[2]

Last Observation

Value

2026-10-08.247955

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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

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Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

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Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2026TV4 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1973-09-02 12:47	> 1 mo	0.1373481	0.0040971	3.0813719
MARS	1992-03-18 14:23	> 1 mo	0.0298749	0.0263060	0.8558460
EARTH	2001-11-09 03:58	> 1 mo	0.1541996	0.0115069	2.1070726
EARTH	2026-10-04 23:57	32.4	0.0331627	0.0322595	0.0003011
MARS	2064-07-03 13:08	> 1 mo	0.0280177	0.0270790	0.4635055
EARTH	2079-11-04 02:30	> 1 mo	0.1033624	0.0102665	4.8552935
EARTH	2104-10-14 12:16	> 1 mo	0.0308290	0.0004334	0.1577652

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
358.25132926	270.94218993	0.03396803	MINIMUM
358.54793306	91.46818384	2.03099938	SADDLE
179.54078370	92.62215722	2.23918099	SADDLE
179.53446595	272.61899687	4.23713269	MAXIMUM

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MOID Plots

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