Asteroids

2026HT2 help

Last update: 2026-04-26 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.874

Aphelion (Q)

1.972

Eccentricity (e)

0.386

Inclination (i)

13.4

deg

Orbit period (P)

620.1

Earth MOID

0.00555

U parameter

7.1

Next Earth close approach

Date

2043-04-04

Nominal distance (from Earth center)

0.13129

19641048

Maximum Brightness

25.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-04-22

Observatory

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.423146

1-sigma variation

0.000341

Unit

Eccentricity (e)

Value

0.385759

1-sigma variation

0.000167

Unit

Inclination (i)

Value

13.4020

1-sigma variation

0.0046

Unit

Long. of Ascending Node (Ω)

Value

211.4029

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

300.4855

1-sigma variation

0.0031

Unit

Mean Anomaly (M)

Value

54.66459

1-sigma variation

0.02334

Unit

Perihelion distance

Value

0.874155

1-sigma variation

Unit

Aphelion distance

Value

1.972137

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.008375

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.510918

1-sigma variation

Unit

MOID

Value

0.005554

1-sigma variation

Unit

Orbit Period

Value

620.1155

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.16595E-7	5.69546E-8	1.55632E-6	-4.87490E-8	1.05746E-6	-7.97016E-6
e	5.69546E-8	2.78222E-8	7.60275E-7	-2.38107E-8	5.16322E-7	-3.89322E-6
i	1.55632E-6	7.60275E-7	2.07762E-5	-6.50585E-7	1.41045E-5	-1.06383E-4
Ω	-4.87490E-8	-2.38107E-8	-6.50585E-7	2.03935E-8	-4.42771E-7	3.33255E-6
ω	1.05746E-6	5.16322E-7	1.41045E-5	-4.42771E-7	9.65280E-6	-7.23033E-5
M	-7.97016E-6	-3.89322E-6	-1.06383E-4	3.33255E-6	-7.23033E-5	5.44826E-4

Date of computation: 2026-04-26 13:01 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

26.587

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

13 - 29*

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

0.544417

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-04-22.288348

Unit

Source

[2]

Last Observation

Value

2026-04-25.34724

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

99 (4)

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

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 2026HT2 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	1950-04-12 20:55	> 1 mo	0.0772728	0.0010361	0.2531836
EARTH	1977-04-27 12:59	> 1 w	0.0960680	0.0032372	0.1654849
MARS	1986-12-31 18:55	1038.6	0.0165068	0.0151866	0.0153719
EARTH	1999-04-16 23:54	> 1 d	0.0441756	0.0043644	0.0566107
EARTH	2026-04-21 14:34	< 1 s	0.0097760	0.0097651	0.0000037
EARTH	2043-04-04 02:53	> 1 d	0.1312923	0.0371124	0.0328254
EARTH	2082-04-25 15:48	> 1 d	0.0573351	0.0019986	0.0709924
EARTH	2099-04-19 15:23	> 1 w	0.0199820	0.0029654	0.0909449
EARTH	2121-04-29 10:52	> 1 mo	0.0990464	0.0015233	1.5807640

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
40.90517054	105.10624080	0.00555364	MINIMUM
312.61062351	340.25199446	0.20225979	MINIMUM
345.33038217	25.36735130	0.23544088	SADDLE
177.53818801	226.87837987	1.00242481	SADDLE
0.19148319	227.63333508	1.87598557	SADDLE
182.01281343	49.90609616	2.94818660	MAXIMUM

Download:

MOID Plots

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