Asteroids

2026MY1 help

Last update: 2026-06-24 12:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

1.002

Aphelion (Q)

3.327

Eccentricity (e)

0.537

Inclination (i)

2.6

deg

Orbit period (P)

1163.0

Earth MOID

0.00242

U parameter

7.1

Next Earth close approach

Date

2042-06-19

Nominal distance (from Earth center)

0.0058

867779

Maximum Brightness

17.1

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-06-22

Observatory

ATLAS Chile, Rio Hurtado

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

2.164338

1-sigma variation

0.001078

Unit

Eccentricity (e)

Value

0.537197

1-sigma variation

0.000232

Unit

Inclination (i)

Value

2.5821

1-sigma variation

0.0011

Unit

Long. of Ascending Node (Ω)

Value

270.6497

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

340.3403

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

1.05504

1-sigma variation

0.00128

Unit

Perihelion distance

Value

1.001661

1-sigma variation

Unit

Aphelion distance

Value

3.327015

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.006273

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.130903

1-sigma variation

Unit

MOID

Value

0.002418

1-sigma variation

Unit

Orbit Period

Value

1163.0172

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.16282E-6	2.50164E-7	1.17444E-6	-2.30822E-7	8.19372E-7	-1.37410E-6
e	2.50164E-7	5.38193E-8	2.52614E-7	-4.96577E-8	1.76170E-7	-2.95594E-7
i	1.17444E-6	2.52614E-7	1.20517E-6	-2.32912E-7	8.62452E-7	-1.39548E-6
Ω	-2.30822E-7	-4.96577E-8	-2.32912E-7	4.59429E-8	-1.63082E-7	2.72841E-7
ω	8.19372E-7	1.76170E-7	8.62452E-7	-1.63082E-7	6.56696E-7	-9.85763E-7
M	-1.37410E-6	-2.95594E-7	-1.39548E-6	2.72841E-7	-9.85763E-7	1.62764E-6

Date of computation: 2026-06-24 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

27.265

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

9 - 21*

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

[-]

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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

0.563092

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-21.437527

Unit

Source

[2]

Last Observation

Value

2026-06-23.40439

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

25 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2026MY1 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	1972-05-14 06:46	> 1 mo	0.0282097	0.0250995	0.0902551
EARTH	1991-07-02 23:17	> 1 w	0.0518537	0.0010297	0.1125026
EARTH	2026-06-19 19:28	< 1 min	0.0024653	0.0024627	0.0000009
EARTH	2042-06-19 20:24	> 1 w	0.0058007	0.0041153	0.0255698
EARTH	2084-06-26 12:41	> 1 mo	0.0164414	0.0000918	2.0546221
EARTH	2097-07-06 23:54	> 1 mo	0.0542050	0.0051672	36.2194619
EARTH	2110-07-20 22:45	> 1 mo	0.1699291	0.0116003	17.8253257

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
9.36063666	163.28834973	0.00241798	MINIMUM
0.76550954	327.49601171	1.98775518	SADDLE
180.21826075	326.88167386	2.34098061	SADDLE
180.26282726	146.91036533	4.34100306	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2026MY1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2071-06-21.708	77648.708	0.102	0.000	0.28 ± 0.025	2.13E6	6.23E-7	5.41E-2	-7.35
2109-06-21.548	91527.548	-0.358	0.000	1.30 ± 0.005	6.91E4	1.81E-5	5.36E-2	-6.15
2116-05-24.423	94056.423	-0.786	2.721	1.71 ± 1.456	4.47E6	1.03E-11	4.99E-2	-12.46


Based on 19 optical observations (of which 0 are rejected as outliers) from 2026/06/21.438 to 2026/06/22.669.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.69 and 1.69 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260622 201948.794 UTC.

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