Asteroids

2026TX84 help

Last update: 2026-10-15 18:31 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.817

Aphelion (Q)

1.426

Eccentricity (e)

0.271

Inclination (i)

2.9

deg

Orbit period (P)

434.0

Earth MOID

0.02716

U parameter

7.4

Next Earth close approach

Date

2026-10-22

Nominal distance (from Earth center)

0.02723

4073050

Maximum Brightness

21.7

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

2026-10-11

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

1.121813

1-sigma variation

0.000295

Unit

Eccentricity (e)

Value

0.271387

1-sigma variation

0.000356

Unit

Inclination (i)

Value

2.8577

1-sigma variation

0.0032

Unit

Long. of Ascending Node (Ω)

Value

241.3354

1-sigma variation

0.0142

Unit

Arg. of Perihelion (ω)

Value

226.7869

1-sigma variation

0.0139

Unit

Mean Anomaly (M)

Value

3.16458

1-sigma variation

0.01444

Unit

Perihelion distance

Value

0.817367

1-sigma variation

Unit

Aphelion distance

Value

1.426258

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.265970

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.111058

1-sigma variation

Unit

MOID

Value

0.027160

1-sigma variation

Unit

Orbit Period

Value

433.9892

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.71637E-8	1.05241E-7	9.30481E-7	3.21798E-6	-3.11563E-6	4.26298E-6
e	1.05241E-7	1.27078E-7	1.12442E-6	3.86460E-6	-3.74021E-6	5.14751E-6
i	9.30481E-7	1.12442E-6	1.00881E-5	3.07962E-5	-2.96947E-5	4.56008E-5
Ω	3.21798E-6	3.86460E-6	3.07962E-5	2.00730E-4	-1.96945E-4	1.55192E-4
ω	-3.11563E-6	-3.74021E-6	-2.96947E-5	-1.96945E-4	1.93412E-4	-1.50213E-4
M	4.26298E-6	5.14751E-6	4.56008E-5	1.55192E-4	-1.50213E-4	2.08557E-4

Date of computation: 2026-10-15 18:31 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

25.9

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

0.672771

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-11.353477

Unit

Source

[2]

Last Observation

Value

2026-10-14.84521

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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 2026TX84 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	1952-04-10 15:20	> 1 d	0.1985795	0.0379827	0.0843487
EARTH	1958-02-15 06:31	> 1 mo	0.1446290	0.0576540	0.0428100
EARTH	1963-11-05 18:03	> 1 mo	0.0878356	0.0332408	0.1064015
EARTH	1977-03-26 15:18	> 1 w	0.0606381	0.0387853	0.0793630
EARTH	1982-12-11 07:24	> 1 mo	0.1499264	0.0880763	0.0285715
EARTH	1988-10-10 08:44	> 1 d	0.1757341	0.0297832	0.0632313
EARTH	1996-03-31 00:37	> 1 d	0.0391231	0.0389077	0.0026341
EARTH	2001-12-30 16:49	> 1 w	0.1662487	0.1578539	0.0031720
EARTH	2007-10-16 20:34	> 1 d	0.0815445	0.0279744	0.0350277
EARTH	2015-04-06 20:26	> 1 d	0.1065142	0.0403712	0.0271330
EARTH	2021-01-21 02:25	> 1 w	0.1670284	0.1619613	0.0017507
EARTH	2026-10-22 12:19	< 1 min	0.0272267	0.0271126	0.0000380
EARTH	2034-04-10 16:32	1001.6	0.1791579	0.1305742	0.0163359
EARTH	2040-02-05 22:47	> 1 w	0.1565974	0.1340123	0.0077975
EARTH	2045-10-26 17:10	> 1 d	0.0474048	0.0274463	0.0332900
EARTH	2059-03-23 02:36	> 1 d	0.0837083	0.0377313	0.0325833
EARTH	2064-12-08 08:13	> 1 w	0.1461482	0.1110417	0.0124875
EARTH	2070-10-11 18:16	> 1 d	0.1689692	0.0896168	0.0268214
EARTH	2078-04-02 16:45	1373.9	0.0492204	0.0390751	0.0082171
EARTH	2084-01-14 14:00	> 1 d	0.1686789	0.1674850	0.0003991
EARTH	2089-10-23 02:56	809.0	0.0270081	0.0266001	0.0008685
EARTH	2103-03-24 17:32	> 1 w	0.0822202	0.0382734	0.0626644
EARTH	2108-12-14 00:41	> 1 mo	0.1513625	0.0926803	0.0276648
EARTH	2114-10-14 16:00	> 1 d	0.1395712	0.0278540	0.0995981
EARTH	2122-04-06 06:27	> 1 d	0.0787728	0.0384455	0.0871735

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
295.76695415	286.74485330	0.02716012	MINIMUM
66.88816551	86.50326311	0.03903745	MINIMUM
2.00696283	7.63423954	0.16932284	SADDLE
180.85293929	185.84004500	0.41368578	SADDLE
0.53887196	185.72772337	1.83197467	SADDLE
180.10073883	5.26228969	2.40924068	MAXIMUM

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MOID Plots

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