Asteroids

2026GD2 help

Last update: 2026-05-07 13:00 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.692

Aphelion (Q)

1.709

Eccentricity (e)

0.424

Inclination (i)

5.0

deg

Orbit period (P)

480.5

Earth MOID

0.02291

U parameter

7.6

Next Earth close approach

Date

2037-10-14

Nominal distance (from Earth center)

0.11725

17540382

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.6

mag

Diameter

20 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-04-12

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

1.200538

1-sigma variation

0.000519

Unit

Eccentricity (e)

Value

0.423745

1-sigma variation

0.000406

Unit

Inclination (i)

Value

4.9835

1-sigma variation

0.0055

Unit

Long. of Ascending Node (Ω)

Value

31.1171

1-sigma variation

0.0029

Unit

Arg. of Perihelion (ω)

Value

72.3327

1-sigma variation

0.0053

Unit

Mean Anomaly (M)

Value

91.80634

1-sigma variation

0.07663

Unit

Perihelion distance

Value

0.691816

1-sigma variation

Unit

Aphelion distance

Value

1.709259

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.122187

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.125271

1-sigma variation

Unit

MOID

Value

0.022912

1-sigma variation

Unit

Orbit Period

Value

480.4655

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.69410E-7	2.10923E-7	2.86349E-6	-1.50374E-6	2.76363E-6	-3.97730E-5
e	2.10923E-7	1.65147E-7	2.24176E-6	-1.17717E-6	2.16197E-6	-3.11388E-5
i	2.86349E-6	2.24176E-6	3.04374E-5	-1.59860E-5	2.93854E-5	-4.22735E-4
Ω	-1.50374E-6	-1.17717E-6	-1.59860E-5	8.39833E-6	-1.54433E-5	2.21995E-4
ω	2.76363E-6	2.16197E-6	2.93854E-5	-1.54433E-5	2.85562E-5	-4.07964E-4
M	-3.97730E-5	-3.11388E-5	-4.22735E-4	2.21995E-4	-4.07964E-4	5.87170E-3

Date of computation: 2026-05-07 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

25.572

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 - 50*

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

0.65702

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-04-12.259167

Unit

Source

[2]

Last Observation

Value

2026-04-23.04716

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

67 (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 2026GD2 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	1951-04-02 19:32	> 1 w	0.0604205	0.0247185	0.2199257
VENUS	1953-09-15 10:11	> 1 mo	0.0480225	0.0464871	0.0213189
EARTH	1962-10-28 21:44	> 1 mo	0.1819640	0.0529784	0.1152178
VENUS	1962-12-04 18:15	> 1 mo	0.0468575	0.0448606	0.0212920
EARTH	1966-09-29 19:13	> 1 d	0.1045539	0.0310268	0.1118323
VENUS	1972-02-19 03:11	> 1 w	0.0437969	0.0437150	0.0034456
EARTH	1976-04-14 07:23	> 1 d	0.1813072	0.0229398	0.0647449
EARTH	1980-03-27 23:23	> 1 d	0.1266520	0.0214496	0.0600830
EARTH	1991-10-05 01:11	380.2	0.0318854	0.0296373	0.0021175
EARTH	2001-04-13 03:39	> 1 d	0.1457513	0.0455042	0.0343382
EARTH	2005-03-15 08:58	> 1 w	0.1886982	0.0826408	0.0354109
VENUS	2010-05-07 04:09	> 1 w	0.0426903	0.0159774	0.0175363
EARTH	2016-09-28 19:22	> 1 d	0.1182063	0.0341246	0.0316491
EARTH	2026-04-07 09:41	< 1 min	0.0300970	0.0300064	0.0000302
EARTH	2037-10-14 20:10	> 1 d	0.1172502	0.0319213	0.0431947
VENUS	2039-04-24 09:20	> 1 d	0.0494007	0.0236945	0.0466525
EARTH	2041-09-25 12:11	> 1 d	0.1947250	0.0806328	0.0388155
VENUS	2048-07-10 05:49	> 1 d	0.0248548	0.0248448	0.0002136
EARTH	2051-04-12 00:48	1029.9	0.1068767	0.0654880	0.0139644
EARTH	2055-03-22 07:16	> 1 d	0.1701543	0.1178439	0.0174644
VENUS	2057-10-04 06:28	> 1 d	0.0296645	0.0245997	0.0120543
EARTH	2066-10-29 11:17	> 1 w	0.1809212	0.0703385	0.0394007
EARTH	2070-10-04 00:36	> 1 d	0.0503184	0.0275941	0.0426970
EARTH	2084-04-11 17:16	536.5	0.1092058	0.0939983	0.0050766
EARTH	2088-03-27 04:30	1149.9	0.1405218	0.1105351	0.0100119
EARTH	2099-10-28 09:38	> 1 w	0.1761639	0.0757426	0.0355810
EARTH	2103-10-02 21:30	> 1 d	0.0934833	0.0259041	0.0478342
EARTH	2113-04-17 16:54	> 1 d	0.1987783	0.0564232	0.0482097
EARTH	2117-03-31 15:03	> 1 d	0.1140068	0.0169351	0.0362717

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
67.35627436	90.80190854	0.02291223	MINIMUM
293.89646105	268.78168889	0.02875354	MINIMUM
0.86919418	0.34463215	0.29965450	SADDLE
180.37021495	179.21089658	0.70099456	SADDLE
0.11540496	179.18450060	1.70724523	SADDLE
179.87897886	358.89466177	2.69062512	MAXIMUM

Download:

MOID Plots

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