Asteroids

2026GG help

Last update: 2026-04-08 01:00 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.952

Aphelion (Q)

1.522

Eccentricity (e)

0.230

Inclination (i)

24.7

deg

Orbit period (P)

502.3

Earth MOID

0.03195

U parameter

7.9

Next Earth close approach

Date

2037-04-07

Nominal distance (from Earth center)

0.03526

5275228

Maximum Brightness

19.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-04-06

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

1.236693

1-sigma variation

0.000879

Unit

Eccentricity (e)

Value

0.230343

1-sigma variation

0.000530

Unit

Inclination (i)

Value

24.7040

1-sigma variation

0.0315

Unit

Long. of Ascending Node (Ω)

Value

15.1883

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

235.1874

1-sigma variation

0.0478

Unit

Mean Anomaly (M)

Value

10.57113

1-sigma variation

0.02558

Unit

Perihelion distance

Value

0.951829

1-sigma variation

Unit

Aphelion distance

Value

1.521556

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.348687

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.034873

1-sigma variation

Unit

MOID

Value

0.031947

1-sigma variation

Unit

Orbit Period

Value

502.3323

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.73093E-7	4.66304E-7	2.77139E-5	-2.62811E-7	-4.20334E-5	2.24905E-5
e	4.66304E-7	2.81260E-7	1.67161E-5	-1.58518E-7	-2.53529E-5	1.35654E-5
i	2.77139E-5	1.67161E-5	9.93505E-4	-9.42132E-6	-1.50680E-3	8.06232E-4
Ω	-2.62811E-7	-1.58518E-7	-9.42132E-6	8.93760E-8	1.42894E-5	-7.64571E-6
ω	-4.20334E-5	-2.53529E-5	-1.50680E-3	1.42894E-5	2.28547E-3	-1.22287E-3
M	2.24905E-5	1.35654E-5	8.06232E-4	-7.64571E-6	-1.22287E-3	6.54311E-4

Date of computation: 2026-04-08 01:00 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

25.61

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

20 - 40*

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

0.825709

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-03-26.510437

Unit

Source

[2]

Last Observation

Value

2026-04-08.02121

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (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 2026GG 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	1982-04-13 12:27	> 1 mo	0.1766444	0.0241125	1.0428450
EARTH	1993-04-09 20:11	> 1 mo	0.0892572	0.0297563	0.7732168
EARTH	2004-04-07 07:58	> 1 w	0.0399642	0.0313830	0.2159415
EARTH	2015-04-07 10:24	> 1 d	0.0324150	0.0316024	0.0162046
EARTH	2026-04-07 03:54	< 1 min	0.0322524	0.0321191	0.0000444
EARTH	2037-04-07 07:27	> 1 d	0.0352627	0.0316341	0.0321484
EARTH	2048-04-08 17:46	> 1 w	0.0664263	0.0309050	0.2357470
EARTH	2059-04-12 12:01	> 1 w	0.1406657	0.0274651	0.3561389
EARTH	2110-04-02 21:03	> 1 w	0.1386016	0.0291616	0.3508376
EARTH	2121-04-06 03:01	> 1 w	0.0567939	0.0321474	0.1931451

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
316.54393893	91.40418452	0.03194716	MINIMUM
90.12549006	251.95572048	0.28781339	MINIMUM
29.65441258	183.26479266	0.42966603	SADDLE
202.38517431	342.36895071	0.71565363	SADDLE
10.21871813	336.47808158	1.90284838	SADDLE
172.78629816	137.98351937	2.50006838	MAXIMUM

Download:

MOID Plots

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