Asteroids

2026MK2 help

Last update: 2026-07-02 12:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.962

Aphelion (Q)

1.075

Eccentricity (e)

0.055

Inclination (i)

8.7

deg

Orbit period (P)

375.4

Earth MOID

0.00774

U parameter

6.2

Next Earth close approach

Date

2027-06-23

Nominal distance (from Earth center)

0.1386

20734735

Maximum Brightness

25.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-06-22

Observatory

Pan-STARRS 2, Haleakala

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

1.018391

1-sigma variation

0.000043

Unit

Eccentricity (e)

Value

0.055184

1-sigma variation

0.000038

Unit

Inclination (i)

Value

8.7465

1-sigma variation

0.0091

Unit

Long. of Ascending Node (Ω)

Value

96.6018

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

64.5067

1-sigma variation

0.0362

Unit

Mean Anomaly (M)

Value

91.83241

1-sigma variation

0.04051

Unit

Perihelion distance

Value

0.962193

1-sigma variation

Unit

Aphelion distance

Value

1.074590

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.008098

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.023288

1-sigma variation

Unit

MOID

Value

0.007737

1-sigma variation

Unit

Orbit Period

Value

375.3794

1-sigma variation

Unit

U parameter

Value

6.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.84608E-9	1.58123E-9	3.72436E-7	3.75125E-8	1.55084E-6	-1.73718E-6
e	1.58123E-9	1.43214E-9	3.42400E-7	3.34866E-8	1.30022E-6	-1.46607E-6
i	3.72436E-7	3.42400E-7	8.23056E-5	7.97822E-6	3.04157E-4	-3.43607E-4
Ω	3.75125E-8	3.34866E-8	7.97822E-6	7.86688E-7	3.10146E-5	-3.49099E-5
ω	1.55084E-6	1.30022E-6	3.04157E-4	3.10146E-5	1.31350E-3	-1.46782E-3
M	-1.73718E-6	-1.46607E-6	-3.43607E-4	-3.49099E-5	-1.46782E-3	1.64145E-3

Date of computation: 2026-07-02 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

26.47

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

14 - 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

0.537118

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-22.413509

Unit

Source

[2]

Last Observation

Value

2026-06-25.437955

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (4)

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 2026MK2 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	1955-12-28 09:26	> 1 d	0.1300363	0.0126981	0.0801062
EARTH	1956-12-30 01:02	> 1 d	0.0537650	0.0092742	0.1326950
EARTH	1957-06-30 08:02	> 1 w	0.0618040	0.0286809	0.1186919
EARTH	1958-06-23 17:18	860.0	0.1204550	0.0281198	0.1391668
EARTH	1989-12-28 22:47	145.0	0.0599103	0.0042106	0.0273254
EARTH	1990-07-23 17:21	> 1 d	0.1640141	0.1127629	0.0184901
EARTH	1990-12-29 05:49	646.8	0.1163467	0.0709129	0.0155433
EARTH	1991-06-26 14:11	661.0	0.0227192	0.0225510	0.0010832
EARTH	1992-06-23 18:26	83.3	0.1706304	0.1417857	0.0096463
EARTH	2024-12-27 23:59	4.8	0.0779949	0.0767327	0.0004207
EARTH	2025-07-28 20:44	56.6	0.1756346	0.1745344	0.0003668
EARTH	2025-12-29 07:28	12.0	0.0936589	0.0935871	0.0000240
EARTH	2026-06-26 22:57	< 1 min	0.0293877	0.0292980	0.0000299
EARTH	2027-06-23 20:38	11.4	0.1386031	0.1374200	0.0003944
EARTH	2062-12-28 07:03	441.9	0.0468055	0.0086558	0.0134381
EARTH	2063-07-15 19:08	> 1 d	0.1562842	0.1298753	0.0089038
EARTH	2063-12-30 02:02	176.4	0.1014626	0.0769486	0.0081823
EARTH	2064-06-26 04:10	321.4	0.0270502	0.0169612	0.0042072
EARTH	2065-06-23 15:18	461.3	0.1148402	0.1119916	0.0009546
EARTH	2105-12-25 18:56	> 1 d	0.1175916	0.0033030	0.2336123
EARTH	2106-12-30 00:56	> 1 d	0.0209201	0.0039923	0.2113545
EARTH	2107-07-04 02:05	> 1 w	0.0869867	0.0360990	0.0854769
EARTH	2108-01-02 05:34	> 1 d	0.1856151	0.0026245	0.1404831
EARTH	2108-06-22 10:28	> 1 w	0.0734937	0.0136197	0.2432587

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
299.14061026	353.14772668	0.00773738	MINIMUM
110.00902204	169.51813843	0.02214419	MINIMUM
24.80388397	81.88962862	0.15284652	SADDLE
204.44306149	260.73557674	0.17129118	SADDLE
19.13155926	255.86197955	1.96359714	SADDLE
192.54585338	69.26056337	2.06161568	MAXIMUM

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MOID Plots

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