Asteroids

2026GD help

Last update: 2026-04-08 13:16 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.790

Aphelion (Q)

2.065

Eccentricity (e)

0.447

Inclination (i)

0.5

deg

Orbit period (P)

623.0

Earth MOID

0.00052

U parameter

6.9

Next Earth close approach

Date

2026-04-09

Nominal distance (from Earth center)

0.00168

250694

Maximum Brightness

14.9

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 28*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-04-06

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

1.427586

1-sigma variation

0.000274

Unit

Eccentricity (e)

Value

0.446508

1-sigma variation

0.000133

Unit

Inclination (i)

Value

0.4935

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

202.9960

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

68.4396

1-sigma variation

0.0035

Unit

Mean Anomaly (M)

Value

5.63802

1-sigma variation

0.00126

Unit

Perihelion distance

Value

0.790157

1-sigma variation

Unit

Aphelion distance

Value

2.065015

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.022898

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.374422

1-sigma variation

Unit

MOID

Value

0.000523

1-sigma variation

Unit

Orbit Period

Value

623.0198

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.48311E-8	3.61992E-8	6.86506E-9	1.73021E-7	-4.82833E-7	3.42863E-7
e	3.61992E-8	1.75821E-8	4.16101E-9	7.08351E-8	-2.07863E-7	1.64459E-7
i	6.86506E-9	4.16101E-9	1.11766E-8	-1.44466E-7	2.68270E-7	1.48918E-8
Ω	1.73021E-7	7.08351E-8	-1.44466E-7	2.84466E-6	-5.89081E-6	1.04573E-6
ω	-4.82833E-7	-2.07863E-7	2.68270E-7	-5.89081E-6	1.25480E-5	-2.71915E-6
M	3.42863E-7	1.64459E-7	1.48918E-8	1.04573E-6	-2.71915E-6	1.59874E-6

Date of computation: 2026-04-08 13:16 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

26.598

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

13 - 28*

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

0.570659

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-04-06.16845

Unit

Source

[2]

Last Observation

Value

2026-04-08.19936

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

117 (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 2026GD 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	1950-07-25 02:03	> 1 w	0.1828496	0.0913665	0.0305055
EARTH	1957-09-07 16:04	> 1 w	0.0781566	0.0043349	0.1149094
EARTH	1973-04-21 02:27	> 1 w	0.0985359	0.0008954	0.0553231
EARTH	1987-09-05 23:01	> 1 d	0.0420470	0.0043281	0.0406473
EARTH	1996-03-29 17:37	> 1 d	0.1646124	0.0881770	0.0254787
EARTH	2003-05-27 07:07	> 1 w	0.1970191	0.1703951	0.0088754
EARTH	2010-08-20 10:58	> 1 d	0.1057538	0.0395497	0.0220973
EARTH	2026-04-09 22:58	< 1 min	0.0016758	0.0016742	0.0000005
EARTH	2031-08-27 10:55	> 1 d	0.0958010	0.0711501	0.0082212
EARTH	2048-09-18 06:07	> 1 d	0.1863573	0.0251950	0.0538594
EARTH	2055-04-03 18:27	> 1 d	0.1013175	0.0005503	0.0604162
EARTH	2060-08-02 11:23	> 1 w	0.1791393	0.1102064	0.0229833
EARTH	2072-05-10 23:14	236.4	0.1687731	0.1670816	0.0005638
EARTH	2077-09-12 09:07	> 1 d	0.0750267	0.0164567	0.0197057
EARTH	2084-03-29 11:15	> 1 d	0.1883807	0.0847148	0.0345555
EARTH	2101-05-10 00:07	> 1 mo	0.1614731	0.0029250	0.0797206
EARTH	2106-09-15 10:28	> 1 w	0.1002420	0.0052125	0.1547991
EARTH	2113-04-02 04:46	> 1 d	0.1490520	0.0004484	0.1297943
EARTH	2118-07-31 15:04	> 1 w	0.1869068	0.0633272	0.0412229

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
311.94944442	94.52536000	0.00052253	MINIMUM
48.88978490	240.48035766	0.00548230	MINIMUM
0.53983007	167.64151758	0.22639126	SADDLE
180.20377296	347.25823874	1.08115628	SADDLE
0.51309664	347.60600863	1.77405008	SADDLE
180.20673960	167.26334968	3.08141593	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2026GD

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2082-04-10.327	81594.327	-4.666	0.89 ± 0.006	3.21E5	4.68E-11	2.22E-1	-11.08
2087-04-10.325	83420.325	1.540	0.96 ± 0.009	3.32E6	6.91E-8	2.24E-1	-7.95
2093-04-09.879	85611.879	1.709	0.63 ± 0.009	8.89E6	2.48E-8	2.24E-1	-8.44
2094-04-11.116	85978.116	1.537	0.69 ± 0.001	3.10E6	9.13E-8	2.24E-1	-7.87
2096-04-10.619	86708.619	-3.938	0.45 ± 0.004	2.82E5	1.54E-9	2.23E-1	-9.66
2100-04-11.269	88169.269	2.010	1.01 ± 0.006	5.57E7	1.68E-9	2.24E-1	-9.65
2101-04-10.834	88533.834	1.615	0.88 ± 0.001	3.18E7	7.40E-9	2.24E-1	-9.01
2106-04-11.104	90360.104	-1.463	1.19 ± 0.004	3.49E5	6.22E-7	2.23E-1	-7.11
2106-04-11.148	90360.148	1.001	0.59 ± 0.011	6.70E5	9.36E-7	2.24E-1	-6.93
2106-04-11.180	90360.180	-3.412	1.17 ± 0.003	3.60E5	6.71E-9	2.22E-1	-9.08
2108-04-11.459	91091.459	3.252	0.28 ± 0.008	1.29E5	4.17E-8	2.25E-1	-8.29
2112-04-11.844	92552.844	1.738	0.01 ± 0.000	4.41E7	5.36E-9	2.25E-1	-9.21
2112-04-11.859	92552.859	1.742	1.10 ± 0.004	2.66E6	6.12E-8	2.24E-1	-8.15
2116-04-11.773	94013.773	1.537	0.72 ± 0.002	1.63E7	1.71E-8	2.24E-1	-8.72
2117-04-12.176	94379.176	2.018	1.29 ± 0.007	5.92E6	6.89E-9	2.24E-1	-9.12
2118-04-11.567	94743.567	-2.788	1.26 ± 0.019	2.42E5	4.62E-8	2.23E-1	-8.30
2118-04-11.863	94743.863	-1.480	0.47 ± 0.005	6.54E5	5.16E-7	2.24E-1	-7.25
2119-04-11.339	95108.339	-4.684	1.16 ± 0.008	2.67E5	4.43E-11	2.23E-1	-11.33
2120-04-11.688	95474.688	3.357	0.50 ± 0.007	9.33E4	3.81E-8	2.25E-1	-8.39
2120-04-11.898	95474.898	-4.005	1.19 ± 0.003	6.83E4	3.00E-9	2.23E-1	-9.50
2123-04-11.548	96569.548	-1.460	1.10 ± 0.006	6.98E5	5.29E-7	2.24E-1	-7.27
2123-04-11.614	96569.614	-1.449	0.42 ± 0.007	1.11E5	3.22E-6	2.24E-1	-6.48
2123-04-12.644	96570.644	1.393	0.91 ± 0.005	1.54E5	2.25E-6	2.24E-1	-6.63
2123-04-12.786	96570.786	1.460	0.32 ± 0.005	1.19E7	3.00E-8	2.24E-1	-8.51


Based on 117 optical observations (of which 0 are rejected as outliers) from 2026/04/06.168 to 2026/04/08.199.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.35 and 1.35 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260408 141031.338 UTC.

Download this part as:

Download Impactor Table as: