Asteroids

2026GA1 help

Last update: 2026-04-16 12:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.960

Aphelion (Q)

1.496

Eccentricity (e)

0.218

Inclination (i)

10.2

deg

Orbit period (P)

497.1

Earth MOID

0.03093

U parameter

7.3

Next Earth close approach

Date

2045-08-18

Nominal distance (from Earth center)

0.17572

26287186

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-04-09

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

1.228031

1-sigma variation

0.000356

Unit

Eccentricity (e)

Value

0.218429

1-sigma variation

0.000252

Unit

Inclination (i)

Value

10.2374

1-sigma variation

0.0092

Unit

Long. of Ascending Node (Ω)

Value

200.5734

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

57.0276

1-sigma variation

0.0050

Unit

Mean Anomaly (M)

Value

5.24338

1-sigma variation

0.00481

Unit

Perihelion distance

Value

0.959793

1-sigma variation

Unit

Aphelion distance

Value

1.496269

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.043442

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.329197

1-sigma variation

Unit

MOID

Value

0.030933

1-sigma variation

Unit

Orbit Period

Value

497.0642

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.26836E-7	8.95985E-8	3.27118E-6	1.53614E-7	-1.76386E-6	1.70707E-6
e	8.95985E-8	6.32971E-8	2.31080E-6	1.08523E-7	-1.24477E-6	1.20524E-6
i	3.27118E-6	2.31080E-6	8.43697E-5	3.96187E-6	-4.54924E-5	4.40264E-5
Ω	1.53614E-7	1.08523E-7	3.96187E-6	1.86096E-7	-2.13348E-6	2.06599E-6
ω	-1.76386E-6	-1.24477E-6	-4.54924E-5	-2.13348E-6	2.49779E-5	-2.39751E-5
M	1.70707E-6	1.20524E-6	4.40264E-5	2.06599E-6	-2.39751E-5	2.30991E-5

Date of computation: 2026-04-16 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

26.248

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

15 - 30*

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

0.551338

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-04-09.336681

Unit

Source

[2]

Last Observation

Value

2026-04-15.90954

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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 2026GA1 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	1962-04-18 20:39	60.4	0.0353508	0.0343912	0.0003331
EARTH	1977-04-11 19:15	> 1 d	0.0902550	0.0267707	0.0728977
EARTH	1996-08-17 12:19	365.3	0.1693974	0.1688167	0.0049108
EARTH	2011-04-29 04:13	> 1 d	0.1073187	0.0132673	0.0371538
EARTH	2026-04-17 03:57	< 1 min	0.0313349	0.0312476	0.0000291
EARTH	2045-08-18 18:41	805.6	0.1757190	0.1669186	0.0147864
EARTH	2060-04-29 16:40	> 1 w	0.1135179	0.0103966	0.0694353
EARTH	2075-04-15 21:03	> 1 d	0.0452230	0.0310130	0.0485364
EARTH	2094-05-29 00:56	> 1 w	0.1678952	0.1247874	0.0155323
EARTH	2094-08-24 08:24	> 1 d	0.1803497	0.1702450	0.0085485
EARTH	2109-04-13 13:01	> 1 d	0.0889970	0.0292949	0.0882789

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
318.82134035	101.91961421	0.03093338	MINIMUM
56.41283432	221.84447121	0.16731537	MINIMUM
24.33549092	183.34338212	0.18126108	SADDLE
187.25606493	338.86747667	0.54459437	SADDLE
3.49540802	336.78325659	1.93914647	SADDLE
179.80414727	152.91844868	2.50449824	MAXIMUM

Download:

MOID Plots

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