Asteroids

2026EO3 help

Last update: 2026-03-20 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.859

Aphelion (Q)

4.561

Eccentricity (e)

0.683

Inclination (i)

1.3

deg

Orbit period (P)

1629.5

Earth MOID

0.00309

U parameter

7.8

Next Earth close approach

Date

2085-02-02

Nominal distance (from Earth center)

0.07073

10580314

Maximum Brightness

34.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

26.9

mag

Diameter

11 - 25*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-14

Observatory

MAPS, San Pedro de Atacama

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

2.709954

1-sigma variation

0.005391

Unit

Eccentricity (e)

Value

0.682894

1-sigma variation

0.000663

Unit

Inclination (i)

Value

1.3333

1-sigma variation

0.0009

Unit

Long. of Ascending Node (Ω)

Value

343.3818

1-sigma variation

0.0018

Unit

Arg. of Perihelion (ω)

Value

139.5007

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

27.04007

1-sigma variation

0.08245

Unit

Perihelion distance

Value

0.859344

1-sigma variation

Unit

Aphelion distance

Value

4.560564

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.002406

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.039740

1-sigma variation

Unit

MOID

Value

0.003086

1-sigma variation

Unit

Orbit Period

Value

1629.4508

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.90588E-5	3.57141E-6	4.93978E-6	-8.03390E-6	-2.81189E-8	-4.44468E-4
e	3.57141E-6	4.38936E-7	6.07104E-7	-9.87539E-7	-3.35949E-9	-5.46263E-5
i	4.93978E-6	6.07104E-7	8.44164E-7	-1.29997E-6	-6.00565E-8	-7.55582E-5
Ω	-8.03390E-6	-9.87539E-7	-1.29997E-6	3.24352E-6	-8.36977E-7	1.22848E-4
ω	-2.81189E-8	-3.35949E-9	-6.00565E-8	-8.36977E-7	7.12894E-7	4.56524E-7
M	-4.44468E-4	-5.46263E-5	-7.55582E-5	1.22848E-4	4.56524E-7	6.79834E-3

Date of computation: 2026-03-20 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

26.91

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

11 - 25*

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

0.694417

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-14.24428

Unit

Source

[2]

Last Observation

Value

2026-03-20.4488

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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

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 2026EO3 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
JUPITER	1973-05-10 19:12	122.4	0.5577187	0.5202621	0.0124866
EARTH	1985-03-20 13:28	> 1 d	0.1817540	0.0100068	0.0572492
EARTH	2016-12-19 05:05	> 1 w	0.0547681	0.0248535	0.1118974
EARTH	2026-03-11 12:47	< 1 min	0.0043768	0.0043648	0.0000040
JUPITER	2032-10-07 07:00	> 1 d	0.5388442	0.5334501	0.0018297
10 Hygiea	2067-07-09 20:29	> 1 w	0.0056152	0.0049957	0.2938130
EARTH	2085-02-02 13:37	> 1 mo	0.0707250	0.0246263	0.1509662
JUPITER	2092-04-06 17:00	> 1 w	0.5968995	0.4863894	0.0371736
EARTH	2103-03-10 22:26	> 1 d	0.0346054	0.0081714	0.0331838
EARTH	2111-11-28 20:21	> 1 w	0.1843741	0.0246098	0.4022559

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
21.91687646	65.68168502	0.00308569	MINIMUM
338.75847152	332.19978483	0.02296111	MINIMUM
0.24647438	18.69998388	0.12578322	SADDLE
0.38435112	199.00070932	1.87524006	SADDLE
180.06778561	198.58024543	3.54474498	SADDLE
180.07318175	18.58047952	5.54482906	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2026EO3

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2049-02-26.476	69498.476	2.912	0.000	1.34 ± 0.002	1.19E4	4.41E-7	1.30E-1	-6.90	0
2113-02-22.266	92869.266	2.447	0.000	0.48 ± 0.002	2.32E5	2.44E-7	1.18E-1	-7.77	0


Based on 31 optical observations (of which 0 are rejected as outliers) from 2026/03/14.244 to 2026/03/20.449.
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=20260320 141210.735 UTC.

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