Asteroids

2026OE1 help

Last update: 2026-08-06 13:00 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.907

Aphelion (Q)

2.398

Eccentricity (e)

0.451

Inclination (i)

2.4

deg

Orbit period (P)

776.0

Earth MOID

0.00931

U parameter

7.6

Next Earth close approach

Date

2026-08-07

Nominal distance (from Earth center)

0.01955

2924601

Maximum Brightness

17.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-07-20

Observatory

Pan-STARRS 1, 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.652591

1-sigma variation

0.000937

Unit

Eccentricity (e)

Value

0.451049

1-sigma variation

0.000341

Unit

Inclination (i)

Value

2.4139

1-sigma variation

0.0015

Unit

Long. of Ascending Node (Ω)

Value

304.9460

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

61.3833

1-sigma variation

0.0009

Unit

Mean Anomaly (M)

Value

313.72483

1-sigma variation

0.04275

Unit

Perihelion distance

Value

0.907191

1-sigma variation

Unit

Aphelion distance

Value

2.397991

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.066601

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.695001

1-sigma variation

Unit

MOID

Value

0.009313

1-sigma variation

Unit

Orbit Period

Value

775.9726

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.77323E-7	3.19346E-7	1.40298E-6	1.59582E-7	-8.63892E-7	4.00401E-5
e	3.19346E-7	1.16242E-7	5.10685E-7	5.80896E-8	-3.14442E-7	1.45746E-5
i	1.40298E-6	5.10685E-7	2.24366E-6	2.55348E-7	-1.38177E-6	6.40305E-5
Ω	1.59582E-7	5.80896E-8	2.55348E-7	2.96918E-8	-1.57405E-7	7.28307E-6
ω	-8.63892E-7	-3.14442E-7	-1.38177E-6	-1.57405E-7	8.55264E-7	-3.94282E-5
M	4.00401E-5	1.45746E-5	6.40305E-5	7.28307E-6	-3.94282E-5	1.82739E-3

Date of computation: 2026-08-06 13:00 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

24.043

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

40 - 90*

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

0.451229

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-07-20.393258

Unit

Source

[2]

Last Observation

Value

2026-08-06.022231

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

96 (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

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 2026OE1 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	1954-08-08 19:03	> 1 mo	0.0103191	0.0081060	1.3764548
EARTH	1973-09-29 13:06	> 1 mo	0.1015675	0.0969519	0.0885771
EARTH	1992-11-15 14:56	> 1 mo	0.0486154	0.0409644	0.3813423
EARTH	2009-08-12 10:39	> 1 w	0.0173904	0.0089824	0.0663691
EARTH	2026-08-07 23:29	< 1 s	0.0195498	0.0195104	0.0000131
EARTH	2045-10-09 19:08	> 1 mo	0.0976215	0.0583306	0.0211132
EARTH	2064-11-22 17:32	> 1 w	0.0983410	0.0396465	0.1256932
EARTH	2081-08-21 15:25	> 1 d	0.0519833	0.0148543	0.0129323
EARTH	2100-11-26 12:25	> 1 w	0.1289301	0.0393004	0.1510681
EARTH	2117-10-13 07:15	> 1 mo	0.0960074	0.0531944	0.0496640

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
328.72175103	213.49232767	0.00931339	MINIMUM
27.49460675	306.09330707	0.04044033	MINIMUM
358.84273929	261.06276613	0.10153817	SADDLE
179.28535199	81.06920890	1.40158264	SADDLE
358.00332700	79.68734250	1.90425000	SADDLE
179.19400061	261.01100242	3.40002611	MAXIMUM

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MOID Plots

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