Asteroids

2026TP help

Last update: 2026-10-16 13:15 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.866

Aphelion (Q)

2.475

Eccentricity (e)

0.482

Inclination (i)

4.3

deg

Orbit period (P)

788.8

Earth MOID

0.00364

U parameter

7.8

Next Earth close approach

Date

2026-10-20

Nominal distance (from Earth center)

0.0311

4653216

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.2

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-02

Observatory

Pan-STARRS 2, 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

61400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.670718

1-sigma variation

0.001516

Unit

Eccentricity (e)

Value

0.481673

1-sigma variation

0.000537

Unit

Inclination (i)

Value

4.3290

1-sigma variation

0.0041

Unit

Long. of Ascending Node (Ω)

Value

204.8207

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

230.4963

1-sigma variation

0.0028

Unit

Mean Anomaly (M)

Value

13.60429

1-sigma variation

0.01449

Unit

Perihelion distance

Value

0.865978

1-sigma variation

Unit

Aphelion distance

Value

2.475457

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.848619

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.013716

1-sigma variation

Unit

MOID

Value

0.003641

1-sigma variation

Unit

Orbit Period

Value

788.7747

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.29707E-6	8.14523E-7	6.17389E-6	-2.58061E-6	4.24270E-6	-2.19580E-5
e	8.14523E-7	2.88824E-7	2.18923E-6	-9.15053E-7	1.50460E-6	-7.78618E-6
i	6.17389E-6	2.18923E-6	1.65942E-5	-6.93648E-6	1.14075E-5	-5.90180E-5
Ω	-2.58061E-6	-9.15053E-7	-6.93648E-6	2.90226E-6	-4.76550E-6	2.46673E-5
ω	4.24270E-6	1.50460E-6	1.14075E-5	-4.76550E-6	7.88968E-6	-4.05714E-5
M	-2.19580E-5	-7.78618E-6	-5.90180E-5	2.46673E-5	-4.05714E-5	2.09903E-4

Date of computation: 2026-10-16 13:15 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

24.193

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

40 - 90*

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

0.449999

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-02.322933

Unit

Source

[2]

Last Observation

Value

2026-10-16.169983

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

47 (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):

* - 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 2026TP 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	1955-12-27 18:36	> 1 d	0.1217237	0.1100138	0.0042742
EARTH	1971-02-01 05:41	> 1 w	0.0881338	0.0734434	0.0976122
EARTH	1983-10-02 02:48	> 1 w	0.1487623	0.0089763	0.3342140
EARTH	1998-11-07 23:39	> 1 mo	0.0979175	0.0234058	0.1744065
EARTH	2014-02-01 13:12	> 1 w	0.0881919	0.0730350	0.0648300
EARTH	2026-10-20 09:22	< 1 min	0.0311048	0.0310036	0.0000338
EARTH	2055-02-04 07:15	> 1 w	0.1031037	0.0726863	0.1367887
EARTH	2068-01-07 14:09	> 1 mo	0.1091133	0.0786812	0.0892813
EARTH	2080-11-14 17:13	> 1 mo	0.1098027	0.0340560	0.0893370
EARTH	2093-10-12 07:37	> 1 w	0.0337823	0.0028666	0.1160215
EARTH	2109-02-04 17:22	> 1 mo	0.0972726	0.0722946	0.5246946
EARTH	2121-11-07 07:56	> 1 mo	0.0921482	0.0159202	0.8059991

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
327.05149952	280.13395204	0.00364070	MINIMUM
31.65736780	23.25072121	0.07284350	MINIMUM
1.60334494	335.42426348	0.13092754	SADDLE
179.88597112	152.03987982	1.46523520	SADDLE
359.23549299	151.49677618	1.87828664	SADDLE
179.60680408	331.87860777	3.45938675	MAXIMUM

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MOID Plots

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