Asteroids

2026TP1 help

Last update: 2026-10-08 14:46 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Amor

Perihelion (q)

1.029

Aphelion (Q)

1.468

Eccentricity (e)

0.176

Inclination (i)

11.7

deg

Orbit period (P)

509.6

Earth MOID

0.04171

U parameter

7.8

Next Earth close approach

Date

2033-09-27

Nominal distance (from Earth center)

0.14709

22004497

Maximum Brightness

24.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.9

mag

Diameter

18 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-03

Observatory

GINOP-KHK, Piszkesteto

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

1.248599

1-sigma variation

0.000734

Unit

Eccentricity (e)

Value

0.175568

1-sigma variation

0.000425

Unit

Inclination (i)

Value

11.7250

1-sigma variation

0.0214

Unit

Long. of Ascending Node (Ω)

Value

9.6698

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

23.6473

1-sigma variation

0.0208

Unit

Mean Anomaly (M)

Value

42.27312

1-sigma variation

0.02201

Unit

Perihelion distance

Value

1.029384

1-sigma variation

Unit

Aphelion distance

Value

1.467813

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.042673

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.444021

1-sigma variation

Unit

MOID

Value

0.041708

1-sigma variation

Unit

Orbit Period

Value

509.6040

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.38755E-7	3.11795E-7	1.56764E-5	-6.76988E-7	-1.51273E-5	-1.61015E-5
e	3.11795E-7	1.80455E-7	9.07145E-6	-3.91791E-7	-8.74679E-6	-9.32374E-6
i	1.56764E-5	9.07145E-6	4.56268E-4	-1.96991E-5	-4.41046E-4	-4.67929E-4
Ω	-6.76988E-7	-3.91791E-7	-1.96991E-5	8.50749E-7	1.90107E-5	2.02314E-5
ω	-1.51273E-5	-8.74679E-6	-4.41046E-4	1.90107E-5	4.31918E-4	4.47327E-4
M	-1.61015E-5	-9.32374E-6	-4.67929E-4	2.02314E-5	4.47327E-4	4.84401E-4

Date of computation: 2026-10-08 14:46 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

25.882

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

18 - 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

[-]

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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

0.52125

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-03.84136

Unit

Source

[2]

Last Observation

Value

2026-10-07.7736

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (2)

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):

* - these fields are required

Plot

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

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 2026TP1 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	1980-10-05 21:58	> 1 w	0.0454052	0.0400402	0.0730684
EARTH	1987-09-27 11:30	> 1 w	0.1560795	0.0272513	0.1633193
EARTH	2019-10-15 19:51	> 1 d	0.1950608	0.0803078	0.0384255
EARTH	2026-10-06 00:30	< 1 min	0.0423571	0.0421121	0.0000816
EARTH	2033-09-27 14:43	> 1 d	0.1470910	0.0410858	0.0376759
EARTH	2072-10-09 20:04	> 1 w	0.1015230	0.0336744	0.1513498
EARTH	2079-10-03 12:23	> 1 d	0.0584137	0.0396961	0.0883119
EARTH	2118-10-11 12:07	> 1 w	0.1033986	0.0335114	0.1736547
EARTH	2125-10-03 00:28	> 1 w	0.0746832	0.0382927	0.1523260

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
342.03218543	269.80347597	0.04170754	MINIMUM
190.13750660	117.76117990	0.47642220	SADDLE
357.52115491	107.85098736	2.03204627	SADDLE
175.02338859	285.22041056	2.46040908	MAXIMUM

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MOID Plots

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