Asteroids

2026TP6 help

Last update: 2026-10-09 09:15 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Aten

Perihelion (q)

0.645

Aphelion (Q)

1.322

Eccentricity (e)

0.345

Inclination (i)

4.2

deg

Orbit period (P)

356.3

Earth MOID

0.00119

U parameter

7.4

Next Earth close approach

Date

2026-10-14

Nominal distance (from Earth center)

0.00146

219059

Maximum Brightness

15.9

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-06

Observatory

Kitt Peak-Bok

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

0.983562

1-sigma variation

0.000205

Unit

Eccentricity (e)

Value

0.344501

1-sigma variation

0.000923

Unit

Inclination (i)

Value

4.2467

1-sigma variation

0.0083

Unit

Long. of Ascending Node (Ω)

Value

22.3209

1-sigma variation

0.0070

Unit

Arg. of Perihelion (ω)

Value

111.2138

1-sigma variation

0.0188

Unit

Mean Anomaly (M)

Value

0.18325

1-sigma variation

0.07463

Unit

Perihelion distance

Value

0.644724

1-sigma variation

Unit

Aphelion distance

Value

1.322401

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.005743

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.230892

1-sigma variation

Unit

MOID

Value

0.001189

1-sigma variation

Unit

Orbit Period

Value

356.2881

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.18496E-8	1.85790E-7	1.57510E-6	-1.65103E-7	3.13211E-6	1.49264E-5
e	1.85790E-7	8.52633E-7	7.48929E-6	-1.88383E-6	1.57377E-5	6.88820E-5
i	1.57510E-6	7.48929E-6	6.82241E-5	-2.69089E-5	1.50687E-4	6.08565E-4
Ω	-1.65103E-7	-1.88383E-6	-2.69089E-5	4.85550E-5	-8.83360E-5	-1.67256E-4
ω	3.13211E-6	1.57377E-5	1.50687E-4	-8.83360E-5	3.55240E-4	1.28956E-3
M	1.49264E-5	6.88820E-5	6.08565E-4	-1.67256E-4	1.28956E-3	5.56991E-3

Date of computation: 2026-10-09 09:15 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

27.403

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

[-]

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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

0.533878

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-06.431295

Unit

Source

[2]

Last Observation

Value

2026-10-09.290339

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

20 (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 2026TP6 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	1961-06-01 02:24	> 1 w	0.0616252	0.0458022	0.3114803
EARTH	1962-06-01 15:34	> 1 mo	0.1434086	0.0448404	0.3612642
VENUS	1966-01-03 04:44	> 1 mo	0.0438434	0.0356415	0.0859875
EARTH	1967-10-07 17:05	> 1 d	0.1579532	0.1228280	0.0117150
EARTH	1968-10-14 11:43	> 1 d	0.0156711	0.0013527	0.0502376
EARTH	1991-06-05 18:59	132.1	0.1398521	0.1282894	0.0038770
EARTH	1992-05-29 16:44	62.6	0.0813699	0.0648696	0.0058857
VENUS	1993-03-23 03:42	> 1 d	0.0489565	0.0329452	0.0069654
EARTH	1997-10-14 19:46	1154.1	0.0964147	0.0383657	0.0193531
EARTH	1998-10-11 15:48	1253.0	0.1067518	0.0412337	0.0218401
EARTH	2020-06-01 20:28	902.9	0.0716653	0.0470313	0.0132035
EARTH	2021-06-04 09:40	> 1 d	0.1545020	0.1140259	0.0136820
EARTH	2025-09-28 05:20	1123.4	0.1918331	0.1877062	0.0013759
EARTH	2026-10-14 23:54	7.8	0.0014643	0.0014521	0.0000041
EARTH	2027-10-09 19:01	96.4	0.1531481	0.1473595	0.0019295
VENUS	2050-06-07 04:00	> 1 w	0.0436065	0.0284650	0.0212195
EARTH	2056-05-31 22:58	> 1 d	0.1079557	0.0557877	0.0227405
EARTH	2057-05-26 18:14	681.2	0.0829093	0.0533443	0.0188184
EARTH	2063-10-05 18:53	> 1 d	0.1654808	0.1306540	0.0116193
EARTH	2064-10-14 11:13	203.8	0.0094594	0.0012456	0.0109711
EARTH	2065-10-10 06:08	> 1 d	0.1224041	0.0379609	0.0281490
VENUS	2078-09-25 17:41	> 1 mo	0.0359996	0.0257759	0.3311154
VENUS	2083-06-30 05:01	> 1 mo	0.0434105	0.0420763	0.1652335
VENUS	2095-05-08 04:10	> 1 mo	0.0320770	0.0255250	1.1187013
EARTH	2098-05-30 23:35	> 1 mo	0.0969199	0.0532567	2.0451075
EARTH	2099-05-26 08:02	> 1 mo	0.0791376	0.0517217	1.9614053
EARTH	2106-10-15 09:35	> 1 mo	0.1040068	0.0001062	2.8487935
EARTH	2107-10-14 14:04	> 1 mo	0.0411824	0.0011185	2.8058220
EARTH	2108-10-07 23:55	> 1 mo	0.1938831	0.0015124	2.0840366

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
267.84013689	279.31164338	0.00118935	MINIMUM
93.21739389	143.09360969	0.05304655	MINIMUM
180.01814156	210.99934489	0.31984316	SADDLE
1.10771842	31.48994780	0.34518923	SADDLE
1.90345456	212.58858008	1.65639986	SADDLE
181.10048921	31.75462173	2.30661728	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2026TP6

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2094-10-15.017	86165.017	1.217	0.58 ± 0.027	3.18E6	1.78E-7	6.03E-2	-8.04	0
2103-10-16.459	89452.459	0.961	0.23 ± 0.187	3.28E4	2.26E-5	6.04E-2	-5.99	0
2104-10-15.681	89817.681	0.959	0.11 ± 0.557	2.33E6	2.95E-7	6.04E-2	-7.88	0
2107-10-16.471	90913.471	4.056	0.31 ± 0.017	3.80E5	8.11E-10	6.25E-2	-10.45	0
2108-10-15.787	91278.787	1.561	0.40 ± 0.043	4.40E5	7.66E-7	6.08E-2	-7.48	0
2109-10-15.892	91643.892	-1.177	0.90 ± 0.310	1.32E7	3.34E-8	5.91E-2	-8.86	0
2109-10-15.909	91643.909	4.349	0.85 ± 0.039	3.98E5	1.90E-10	6.27E-2	-11.09	0
2113-10-15.943	93104.943	-1.476	0.74 ± 0.400	3.67E7	8.78E-9	5.88E-2	-9.46	0
2113-10-16.042	93105.042	4.256	1.12 ± 0.020	1.46E5	8.25E-10	6.25E-2	-10.47	0
2114-10-16.033	93470.033	3.738	1.35 ± 0.000	3.61E6	1.22E-10	6.21E-2	-11.30	0
2114-10-16.177	93470.177	1.936	0.64 ± 0.219	2.95E7	5.47E-9	6.10E-2	-9.66	0
2114-10-16.359	93470.359	4.400	0.64 ± 0.036	3.91E5	1.85E-10	6.28E-2	-11.12	0
2115-10-16.376	93835.376	4.386	0.54 ± 0.151	1.34E6	5.42E-11	6.27E-2	-11.66	0
2115-10-16.383	93835.383	-1.186	1.44 ± 0.000	7.51E7	2.04E-9	5.91E-2	-10.10	0
2117-10-15.854	94565.854	1.297	0.97 ± 0.078	7.47E5	6.75E-7	6.06E-2	-7.59	0
2119-10-16.353	95296.353	-2.467	0.44 ± 0.231	5.77E6	9.29E-9	5.83E-2	-9.47	0
2120-10-15.628	95661.628	-1.843	0.53 ± 0.320	1.48E6	1.33E-7	5.87E-2	-8.32	0
2120-10-15.801	95661.801	1.226	0.17 ± 0.087	5.87E6	9.44E-8	6.06E-2	-8.45	0
2122-10-16.224	96392.224	-0.574	0.38 ± 0.400	2.38E4	3.91E-5	5.94E-2	-5.85	0
2122-10-16.328	96392.328	-1.462	0.45 ± 0.386	1.71E5	2.17E-6	5.89E-2	-7.11	0
2123-10-16.526	96757.526	-0.570	1.48 ± 0.404	5.00E5	6.26E-7	5.95E-2	-7.65	0
2123-10-16.593	96757.593	-1.462	0.74 ± 0.438	2.39E7	1.35E-8	5.90E-2	-9.32	0
2123-10-16.764	96757.764	-0.913	1.31 ± 0.396	3.20E6	1.02E-7	5.94E-2	-8.44	0
2124-10-15.616	97122.616	1.252	1.47 ± 0.000	3.16E7	1.17E-8	6.05E-2	-9.38	0
2124-10-15.632	97122.632	-1.832	1.19 ± 0.248	1.19E6	1.00E-7	5.86E-2	-8.46	0
2124-10-15.699	97122.699	-0.963	1.26 ± 0.506	7.51E7	4.61E-9	5.91E-2	-9.79	0
2125-10-15.919	97487.919	4.776	1.13 ± 0.007	4.38E5	1.93E-11	6.29E-2	-12.15	0
2125-10-16.071	97488.071	-1.707	1.00 ± 0.441	2.12E5	8.34E-7	5.88E-2	-7.54	0
2126-10-16.013	97853.013	1.196	0.41 ± 0.000	2.89E7	1.97E-8	6.06E-2	-9.16	n/a
2126-10-16.244	97853.244	-1.707	0.09 ± 0.800	2.91E7	7.80E-9	5.88E-2	-9.57	n/a


Based on 20 optical observations (of which 0 are rejected as outliers) from 2026/10/06.431 to 2026/10/09.290.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.49 and 1.49 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20261009 092634.837 UTC.

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