Asteroids

2026ET2 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.855

Aphelion (Q)

1.051

Eccentricity (e)

0.103

Inclination (i)

6.8

deg

Orbit period (P)

339.8

Earth MOID

0.00490

U parameter

4.1

Next Earth close approach

Date

2038-09-22

Nominal distance (from Earth center)

0.11411

17070673

Maximum Brightness

32.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.4

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-13

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

0.952961

1-sigma variation

0.000002

Unit

Eccentricity (e)

Value

0.103116

1-sigma variation

0.000021

Unit

Inclination (i)

Value

6.7556

1-sigma variation

0.0018

Unit

Long. of Ascending Node (Ω)

Value

353.6181

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

304.0593

1-sigma variation

0.0037

Unit

Mean Anomaly (M)

Value

337.97138

1-sigma variation

0.00622

Unit

Perihelion distance

Value

0.854696

1-sigma variation

Unit

Aphelion distance

Value

1.051227

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.114517

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.006626

1-sigma variation

Unit

MOID

Value

0.004898

1-sigma variation

Unit

Orbit Period

Value

339.7906

1-sigma variation

Unit

U parameter

Value

4.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.37537E-12	-2.52581E-11	-1.96390E-9	-2.36585E-10	3.66981E-9	-6.81885E-9
e	-2.52581E-11	4.57679E-10	3.75631E-8	4.50084E-9	-7.72224E-8	1.32711E-7
i	-1.96390E-9	3.75631E-8	3.09723E-6	3.70880E-7	-6.40255E-6	1.09468E-5
Ω	-2.36585E-10	4.50084E-9	3.70880E-7	4.44244E-8	-7.66423E-7	1.31103E-6
ω	3.66981E-9	-7.72224E-8	-6.40255E-6	-7.66423E-7	1.33871E-5	-2.26973E-5
M	-6.81885E-9	1.32711E-7	1.09468E-5	1.31103E-6	-2.26973E-5	3.87427E-5

Date of computation: 2026-03-18 10:55 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

28.351

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

6 - 13*

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

0.682839

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-11.42174

Unit

Source

[2]

Last Observation

Value

2026-03-15.268233

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

42 (1)

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 2026ET2 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	1950-03-15 09:56	280.0	0.1652534	0.1348393	0.0101404
EARTH	1963-08-26 10:10	> 1 d	0.1466230	0.1425934	0.0013859
EARTH	1964-03-12 23:51	642.9	0.0420407	0.0307021	0.0037954
EARTH	1977-11-06 11:52	3.3	0.1899512	0.1890508	0.0003004
EARTH	1978-08-20 01:44	484.9	0.1524887	0.1517488	0.0002475
EARTH	1979-03-14 23:42	78.5	0.0309363	0.0290192	0.0006396
EARTH	1993-10-21 21:27	99.9	0.0849697	0.0842284	0.0002519
EARTH	1994-07-13 09:19	824.7	0.1809694	0.1808176	0.0000512
EARTH	1995-03-17 01:04	11.8	0.0786863	0.0763787	0.0007693
EARTH	2009-09-16 22:56	438.6	0.1090736	0.1082792	0.0002677
EARTH	2010-02-07 12:50	431.9	0.1195518	0.1183404	0.0004049
EARTH	2024-10-31 06:39	6.9	0.1402353	0.1401731	0.0000208
EARTH	2025-08-06 10:59	32.0	0.1650025	0.1648815	0.0000404
EARTH	2026-03-16 08:01	< 1 min	0.0053286	0.0053249	0.0000012
EARTH	2038-09-22 03:37	183.3	0.1141104	0.1137714	0.0001135
EARTH	2039-02-07 17:00	152.9	0.1135889	0.1132942	0.0000984
EARTH	2051-10-24 22:42	98.3	0.0850127	0.0848432	0.0000585
EARTH	2052-06-28 07:29	447.2	0.1891950	0.1891193	0.0000253
EARTH	2053-03-14 19:26	10.3	0.1680094	0.1670814	0.0003093
EARTH	2065-08-17 21:48	512.2	0.1621148	0.1615763	0.0001805
EARTH	2066-03-15 10:08	38.8	0.0110980	0.0098912	0.0004098
EARTH	2079-11-03 11:01	1153.6	0.1489233	0.1117280	0.0135606
EARTH	2080-08-07 04:27	> 1 w	0.1673331	0.1560183	0.0045624
EARTH	2081-03-15 04:16	1240.8	0.0093575	0.0055543	0.0138356
EARTH	2096-10-30 15:44	> 1 w	0.1650440	0.0777029	0.4117021
EARTH	2097-08-22 14:50	> 1 mo	0.1434590	0.1197481	0.1908164
EARTH	2098-02-24 12:03	> 1 mo	0.0932847	0.0370245	0.3946372
EARTH	2114-10-10 17:05	> 1 mo	0.0703596	0.0690889	0.0288999
EARTH	2115-07-03 02:00	> 1 mo	0.1814288	0.1812695	0.0018039
EARTH	2116-03-16 07:16	> 1 d	0.0670390	0.0067796	0.1609493

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
242.68070203	69.90831658	0.00489810	MINIMUM
83.47969523	283.47033027	0.08323026	MINIMUM
156.04021393	351.82409556	0.13071711	SADDLE
345.40428004	177.16709176	0.19037490	SADDLE
356.42022927	9.66079759	1.83624462	SADDLE
179.74202558	193.01454681	2.06515421	MAXIMUM

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MOID Plots

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