Asteroids

2026GK help

Last update: 2026-04-17 12:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.692

Aphelion (Q)

3.716

Eccentricity (e)

0.686

Inclination (i)

1.1

deg

Orbit period (P)

1195.3

Earth MOID

0.00470

U parameter

7.9

Next Earth close approach

Date

2039-04-12

Nominal distance (from Earth center)

0.07956

11902201

Maximum Brightness

24.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-04-07

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

2.204179

1-sigma variation

0.003484

Unit

Eccentricity (e)

Value

0.686006

1-sigma variation

0.000566

Unit

Inclination (i)

Value

1.1364

1-sigma variation

0.0010

Unit

Long. of Ascending Node (Ω)

Value

31.6608

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

88.6961

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

32.65645

1-sigma variation

0.08186

Unit

Perihelion distance

Value

0.692098

1-sigma variation

Unit

Aphelion distance

Value

3.716259

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.156266

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.178085

1-sigma variation

Unit

MOID

Value

0.004700

1-sigma variation

Unit

Orbit Period

Value

1195.2772

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.21361E-5	1.97169E-6	3.41250E-6	-3.28394E-6	2.56160E-6	-2.85174E-4
e	1.97169E-6	3.20330E-7	5.54413E-7	-5.33535E-7	4.16165E-7	-4.63307E-5
i	3.41250E-6	5.54413E-7	9.60395E-7	-9.30455E-7	7.26471E-7	-8.01867E-5
Ω	-3.28394E-6	-5.33535E-7	-9.30455E-7	9.53188E-7	-7.52547E-7	7.71649E-5
ω	2.56160E-6	4.16165E-7	7.26471E-7	-7.52547E-7	5.99833E-7	-6.01920E-5
M	-2.85174E-4	-4.63307E-5	-8.01867E-5	7.71649E-5	-6.01920E-5	6.70102E-3

Date of computation: 2026-04-17 12:46 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

26.729

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

12 - 27*

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

0.617241

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-04-07.502911

Unit

Source

[2]

Last Observation

Value

2026-04-16.28071

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

48 (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 2026GK 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	1957-04-10 00:54	> 1 mo	0.0477459	0.0061046	1.5000777
EARTH	1966-11-17 16:40	> 1 mo	0.1121920	0.0025348	1.4194908
EARTH	1980-03-29 08:14	> 1 mo	0.0867984	0.0060691	0.8179852
EARTH	1989-11-07 15:19	> 1 d	0.0146791	0.0033965	0.0630437
EARTH	2003-03-31 13:22	> 1 w	0.0764107	0.0054211	0.1408215
MARS	2009-06-24 23:09	> 1 w	0.0441088	0.0174063	0.1445937
EARTH	2012-11-15 00:02	> 1 w	0.1017615	0.0031595	0.1617716
EARTH	2026-04-06 05:27	< 1 min	0.0066945	0.0066784	0.0000054
VENUS	2029-05-18 17:11	> 1 w	0.0088947	0.0010955	0.0409025
EARTH	2039-04-12 09:07	> 1 mo	0.0795613	0.0049213	1.6811613
MARS	2042-09-01 05:17	> 1 mo	0.0109410	0.0087091	0.8799672
EARTH	2052-04-02 23:54	> 1 mo	0.0602435	0.0038908	3.1652652
MARS	2058-05-21 21:58	> 1 mo	0.0414517	0.0178952	1.3925505
VENUS	2065-02-11 10:23	> 1 w	0.0301391	0.0281225	0.0119448
EARTH	2065-03-15 00:15	> 1 w	0.1852429	0.0198886	0.0840145
VENUS	2100-09-25 21:17	> 1 mo	0.0283617	0.0005368	7.1956946
EARTH	2103-12-03 02:48	> 1 mo	0.1889099	0.0036144	3.9840024
VENUS	2113-09-20 08:14	> 1 mo	0.0318354	0.0316201	1.3046526
EARTH	2116-10-30 15:41	> 1 mo	0.1441645	0.0051711	44.8784985
EARTH	2120-04-19 19:23	> 1 mo	0.1592263	0.0024768	42.4784217
VENUS	2126-08-06 23:26	> 1 mo	0.0229114	0.0029335	20.0465967

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
323.31640323	301.70059960	0.00469985	MINIMUM
37.25433042	90.98411523	0.00519399	MINIMUM
0.41025684	16.51439848	0.29252211	SADDLE
0.42332262	196.53173183	1.70818812	SADDLE
180.07676720	196.05511970	2.70034443	SADDLE
180.07408479	16.05166995	4.70024862	MAXIMUM

Download:

MOID Plots

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