Asteroids

2026EG1 help

Last update: 2026-03-12 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.887

Aphelion (Q)

2.060

Eccentricity (e)

0.398

Inclination (i)

1.6

deg

Orbit period (P)

653.4

Earth MOID

0.00221

U parameter

6.6

Next Earth close approach

Date

2026-03-13

Nominal distance (from Earth center)

0.00213

318359

Maximum Brightness

16.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.2

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-03-08

Observatory

Mt. Lemmon 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

1.473585

1-sigma variation

0.000186

Unit

Eccentricity (e)

Value

0.398013

1-sigma variation

0.000089

Unit

Inclination (i)

Value

1.5810

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

347.6997

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

236.0261

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

26.39072

1-sigma variation

0.00416

Unit

Perihelion distance

Value

0.887079

1-sigma variation

Unit

Aphelion distance

Value

2.060091

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.586771

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.022318

1-sigma variation

Unit

MOID

Value

0.002208

1-sigma variation

Unit

Orbit Period

Value

653.3729

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.45339E-8	1.65401E-8	1.03106E-7	1.31623E-7	-2.13114E-8	-7.73580E-7
e	1.65401E-8	7.92198E-9	4.93807E-8	6.30393E-8	-1.01991E-8	-3.70510E-7
i	1.03106E-7	4.93807E-8	3.08573E-7	3.93598E-7	-6.46888E-8	-2.30959E-6
Ω	1.31623E-7	6.30393E-8	3.93598E-7	5.02284E-7	-8.21582E-8	-2.94839E-6
ω	-2.13114E-8	-1.01991E-8	-6.46888E-8	-8.21582E-8	1.61584E-8	4.76857E-7
M	-7.73580E-7	-3.70510E-7	-2.30959E-6	-2.94839E-6	4.76857E-7	1.73288E-5

Date of computation: 2026-03-12 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

27.241

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

9 - 21*

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

0.4

Unit

Source

[1]

Normalized RMS of residuals

Value

0.57758

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-08.264004

Unit

Source

[2]

Last Observation

Value

2026-03-12.295002

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

105 (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 2026EG1 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
MARS	1970-05-27 06:02	> 1 d	0.0299453	0.0138161	0.0399813
EARTH	1974-06-28 19:33	> 1 d	0.0391443	0.0338813	0.0184812
EARTH	1983-04-03 22:53	> 1 w	0.0895634	0.0065612	0.0337957
EARTH	1992-02-25 22:51	> 1 d	0.1939659	0.0403392	0.0512093
EARTH	2008-07-04 07:04	> 1 d	0.0407515	0.0336832	0.0107734
EARTH	2017-05-10 12:21	> 1 d	0.1238801	0.1226207	0.0004327
EARTH	2026-03-13 03:26	< 1 min	0.0021281	0.0021268	0.0000004
EARTH	2042-07-15 14:54	> 1 d	0.1489557	0.0947319	0.0182354
EARTH	2051-05-22 08:26	> 1 w	0.1182905	0.1020529	0.0054887
EARTH	2060-03-07 08:30	> 1 d	0.0529822	0.0020773	0.0275507
EARTH	2076-06-26 11:29	> 1 w	0.0464244	0.0257018	0.0400403
EARTH	2085-03-07 09:26	> 1 d	0.0571432	0.0026659	0.0685532
EARTH	2101-04-28 16:21	> 1 mo	0.1212078	0.0688097	0.0180756
MARS	2105-03-13 20:18	> 1 d	0.0387760	0.0325266	0.0638709
EARTH	2117-07-03 05:45	> 1 mo	0.0270042	0.0254212	0.0815050
EARTH	2126-03-03 23:32	> 1 mo	0.1227159	0.0027533	1.4958678

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
324.87629077	66.94194349	0.00220785	MINIMUM
38.95455676	175.90780855	0.02595032	MINIMUM
2.49356338	122.19532381	0.12353040	SADDLE
180.95707836	300.33940840	1.06881618	SADDLE
2.11815600	301.63376891	1.87856960	SADDLE
180.91517273	120.31872469	3.06827230	MAXIMUM

Download:

MOID Plots

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