Asteroids

2026TP2 help

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

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.826

Aphelion (Q)

1.465

Eccentricity (e)

0.279

Inclination (i)

8.1

deg

Orbit period (P)

447.6

Earth MOID

0.00052

U parameter

6.1

Next Earth close approach

Date

2031-04-25

Nominal distance (from Earth center)

0.11135

16657799

Maximum Brightness

24.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-06

Observatory

University of Arizona Catalina Sky 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

1.145107

1-sigma variation

0.000045

Unit

Eccentricity (e)

Value

0.278964

1-sigma variation

0.000048

Unit

Inclination (i)

Value

8.0712

1-sigma variation

0.0012

Unit

Long. of Ascending Node (Ω)

Value

12.0946

1-sigma variation

1.061E-5

Unit

Arg. of Perihelion (ω)

Value

281.4940

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

114.13171

1-sigma variation

0.00890

Unit

Perihelion distance

Value

0.825663

1-sigma variation

Unit

Aphelion distance

Value

1.464551

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.001151

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.119632

1-sigma variation

Unit

MOID

Value

0.000523

1-sigma variation

Unit

Orbit Period

Value

447.5767

1-sigma variation

Unit

U parameter

Value

6.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.04905E-9	2.16857E-9	5.52049E-8	-5.51361E-11	1.45869E-8	-4.03048E-7
e	2.16857E-9	2.30132E-9	5.86324E-8	-3.46034E-11	1.43438E-8	-4.26327E-7
i	5.52049E-8	5.86324E-8	1.49488E-6	-6.37787E-10	3.56639E-7	-1.08511E-5
Ω	-5.51361E-11	-3.46034E-11	-6.37787E-10	1.12639E-10	-4.55111E-9	1.17070E-8
ω	1.45869E-8	1.43438E-8	3.56639E-7	-4.55111E-9	2.95212E-7	-2.90950E-6
M	-4.03048E-7	-4.26327E-7	-1.08511E-5	1.17070E-8	-2.90950E-6	7.92877E-5

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

26.776

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

12 - 26*

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

0.374869

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-06.210329

Unit

Source

[2]

Last Observation

Value

2026-10-07.85706

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

81 (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 2026TP2 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	1952-04-25 23:42	> 1 d	0.1630384	0.1153844	0.0158852
EARTH	1959-09-02 01:07	> 1 w	0.1786861	0.1072116	0.0248386
EARTH	1965-04-07 04:43	> 1 d	0.1058920	0.0257882	0.0419236
EARTH	1979-10-01 03:50	> 1 d	0.0642080	0.0000202	0.0366384
EARTH	1985-04-11 05:53	889.2	0.0284500	0.0262268	0.0052426
EARTH	1999-09-18 18:00	> 1 d	0.1431714	0.1131453	0.0100384
EARTH	2005-04-05 05:39	530.0	0.1516736	0.1233433	0.0094727
EARTH	2006-10-13 14:43	550.5	0.1584183	0.1304590	0.0093200
EARTH	2012-04-22 06:42	782.8	0.1561620	0.1383856	0.0059286
EARTH	2026-10-05 18:19	< 1 s	0.0015272	0.0015265	0.0000002
EARTH	2031-04-25 04:42	117.9	0.1113505	0.1062169	0.0017194
EARTH	2037-10-14 21:45	227.1	0.1777560	0.1663917	0.0037882
EARTH	2058-04-14 12:54	411.5	0.1444483	0.1233116	0.0071176
EARTH	2064-09-30 02:26	960.6	0.0643581	0.0436093	0.0069184
EARTH	2069-04-20 13:04	207.5	0.0494356	0.0481706	0.0008721
EARTH	2075-10-09 09:16	221.8	0.0558035	0.0465896	0.0030716
EARTH	2080-05-15 06:33	208.7	0.1772520	0.1759652	0.0004291
EARTH	2102-09-27 01:07	> 1 d	0.1003526	0.0681870	0.0107415
EARTH	2107-04-21 20:46	729.4	0.0488211	0.0488101	0.0001859
EARTH	2113-10-10 12:07	> 1 d	0.0626085	0.0022518	0.0230057
EARTH	2118-05-26 20:40	> 1 w	0.1870631	0.1504677	0.0121986

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
62.86769870	269.83506625	0.00052287	MINIMUM
292.40744477	106.17764440	0.04842287	MINIMUM
356.74735159	186.49817535	0.22797255	SADDLE
178.29386467	9.34933807	0.50883447	SADDLE
359.00005113	9.58007770	1.80491208	SADDLE
179.91404091	190.56065141	2.47354266	MAXIMUM

Download:

MOID Plots

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