Asteroids

2026GY1 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.898

Aphelion (Q)

2.005

Eccentricity (e)

0.381

Inclination (i)

10.6

deg

Orbit period (P)

638.7

Earth MOID

0.00764

U parameter

6.7

Next Earth close approach

Date

2033-04-06

Nominal distance (from Earth center)

0.03071

4593877

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.2

mag

Diameter

24 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-04-11

Observatory

Catalina Sky 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

1.451511

1-sigma variation

0.000199

Unit

Eccentricity (e)

Value

0.381170

1-sigma variation

0.000095

Unit

Inclination (i)

Value

10.6389

1-sigma variation

0.0021

Unit

Long. of Ascending Node (Ω)

Value

21.8755

1-sigma variation

3.575E-5

Unit

Arg. of Perihelion (ω)

Value

125.7899

1-sigma variation

0.0010

Unit

Mean Anomaly (M)

Value

57.12832

1-sigma variation

0.01335

Unit

Perihelion distance

Value

0.898238

1-sigma variation

Unit

Aphelion distance

Value

2.004784

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.598955

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012337

1-sigma variation

Unit

MOID

Value

0.007639

1-sigma variation

Unit

Orbit Period

Value

638.7472

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.97393E-8	1.89404E-8	4.26856E-7	7.11337E-9	2.03940E-7	-2.66042E-6
e	1.89404E-8	9.02748E-9	2.03445E-7	3.39000E-9	9.71561E-8	-1.26799E-6
i	4.26856E-7	2.03445E-7	4.58649E-6	7.64551E-8	2.19061E-6	-2.85765E-5
Ω	7.11337E-9	3.39000E-9	7.64551E-8	1.27804E-9	3.65811E-8	-4.76236E-7
ω	2.03940E-7	9.71561E-8	2.19061E-6	3.65811E-8	1.05986E-6	-1.36572E-5
M	-2.66042E-6	-1.26799E-6	-2.85765E-5	-4.76236E-7	-1.36572E-5	1.78107E-4

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

25.221

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

24 - 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

0.540957

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-04-11.393229

Unit

Source

[2]

Last Observation

Value

2026-04-17.302148

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

97 (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 2026GY1 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	1951-04-11 23:47	> 1 w	0.0187799	0.0087962	0.0753101
EARTH	1958-03-24 08:33	> 1 w	0.1023465	0.0129216	0.0904427
EARTH	1965-02-06 14:48	> 1 mo	0.1803694	0.1685741	0.0203003
EARTH	1971-12-21 08:42	> 1 d	0.1790662	0.1750736	0.0200997
EARTH	2012-04-23 12:42	1007.4	0.1772875	0.1388432	0.0128153
EARTH	2019-04-13 09:16	1162.2	0.0299116	0.0077456	0.0084948
EARTH	2026-04-10 06:40	< 1 s	0.0074991	0.0074941	0.0000017
EARTH	2033-04-06 14:36	> 1 d	0.0307082	0.0077399	0.0083168
EARTH	2040-03-14 12:49	> 1 d	0.1307971	0.1167673	0.0047123
EARTH	2047-01-28 16:40	> 1 d	0.1841470	0.1823690	0.0018491
EARTH	2053-12-21 02:20	> 1 d	0.1867644	0.1786171	0.0110588
EARTH	2101-04-21 12:04	> 1 d	0.1194041	0.0007798	0.0987180
EARTH	2108-04-12 11:07	> 1 d	0.0139170	0.0054663	0.0602810
EARTH	2115-04-23 09:56	> 1 mo	0.1387732	0.0026235	0.7653113

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
36.42384363	94.69718367	0.00763868	MINIMUM
323.59306169	350.81205657	0.17825230	MINIMUM
342.61010409	17.38262152	0.18435961	SADDLE
178.50980879	223.05979468	1.01563727	SADDLE
0.59575556	223.87020218	1.90506655	SADDLE
181.57240046	45.12502760	2.98561481	MAXIMUM

Download:

MOID Plots

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