Asteroids

2026MD help

Last update: 2026-06-30 12:47 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.936

Aphelion (Q)

3.615

Eccentricity (e)

0.589

Inclination (i)

1.1

deg

Orbit period (P)

1253.7

Earth MOID

0.00271

U parameter

7.0

Next Earth close approach

Date

2050-08-25

Nominal distance (from Earth center)

0.06823

10206656

Maximum Brightness

28.1

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-06-16

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

2.275440

1-sigma variation

0.000891

Unit

Eccentricity (e)

Value

0.588615

1-sigma variation

0.000168

Unit

Inclination (i)

Value

1.1411

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

179.3777

1-sigma variation

0.0039

Unit

Arg. of Perihelion (ω)

Value

136.5296

1-sigma variation

0.0036

Unit

Mean Anomaly (M)

Value

345.51606

1-sigma variation

0.00899

Unit

Perihelion distance

Value

0.936083

1-sigma variation

Unit

Aphelion distance

Value

3.614798

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.596929

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.038328

1-sigma variation

Unit

MOID

Value

0.002711

1-sigma variation

Unit

Orbit Period

Value

1253.7087

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.93668E-7	1.49713E-7	2.40011E-7	3.44468E-6	-3.15629E-6	8.00910E-6
e	1.49713E-7	2.82411E-8	4.52744E-8	6.49785E-7	-5.95385E-7	1.51079E-6
i	2.40011E-7	4.52744E-8	7.25821E-8	1.04200E-6	-9.54781E-7	2.42201E-6
Ω	3.44468E-6	6.49785E-7	1.04200E-6	1.51660E-5	-1.39132E-5	3.47607E-5
ω	-3.15629E-6	-5.95385E-7	-9.54781E-7	-1.39132E-5	1.27656E-5	-3.18506E-5
M	8.00910E-6	1.51079E-6	2.42201E-6	3.47607E-5	-3.18506E-5	8.08218E-5

Date of computation: 2026-06-30 12:47 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

24.434

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

30 - 80*

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

0.483773

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-11.402957

Unit

Source

[2]

Last Observation

Value

2026-06-28.953293

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

89 (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 2026MD 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	1971-07-28 18:59	> 1 mo	0.0716108	0.0305315	0.0238620
EARTH	1995-09-23 23:21	> 1 w	0.0759932	0.0028370	0.0964265
EARTH	2026-06-30 07:28	< 1 s	0.0200278	0.0200130	0.0000050
EARTH	2050-08-25 02:08	> 1 w	0.0682273	0.0040403	0.0357636
EARTH	2074-09-24 16:48	> 1 d	0.0647440	0.0004170	0.0410257
EARTH	2105-08-09 03:27	> 1 mo	0.0764406	0.0763501	0.0007455
MARS	2112-03-16 17:04	> 1 w	0.0277899	0.0196883	0.1127667

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
18.67234714	248.19611566	0.00271133	MINIMUM
340.06835603	173.29468953	0.01998422	MINIMUM
359.08136355	210.22055119	0.07953295	SADDLE
359.28849479	30.61880109	1.92189701	SADDLE
179.80850378	31.27192154	2.62901603	SADDLE
179.81234078	211.26997342	4.62909350	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026MD

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2073-09-16.668	78466.668	-2.142	0.596	1.42 ± 0.700	3.18E5	6.29E-8	2.69E0	-7.02	0
2087-09-18.200	83581.200	-0.889	0.000	1.02 ± 0.683	4.19E5	9.90E-7	2.96E0	-5.90	0
2090-09-17.874	84676.874	-1.849	0.867	1.41 ± 0.676	5.79E5	4.08E-8	2.70E0	-7.33	0
2090-09-17.988	84676.988	-1.309	1.050	1.41 ± 0.679	6.52E5	6.25E-8	2.72E0	-7.15	0
2093-09-17.026	85772.026	-2.444	1.998	1.42 ± 0.666	7.00E5	1.63E-11	2.68E0	-10.75	0
2093-09-17.775	85772.775	-0.912	0.157	1.41 ± 0.649	2.64E7	8.14E-9	2.73E0	-8.05	0
2094-09-17.084	86137.084	-0.562	3.835	1.42 ± 0.694	2.08E4	1.14E-9	2.74E0	-8.91	0
2097-09-18.145	87234.145	-0.957	3.195	1.40 ± 0.682	7.16E4	2.89E-9	2.73E0	-8.52	0
2099-09-15.945	87961.945	-0.153	0.000	1.03 ± 0.623	3.09E6	2.03E-7	2.91E0	-6.67	0
2100-09-16.960	88327.960	-1.625	1.377	1.43 ± 0.697	8.53E5	1.61E-8	2.71E0	-7.80	0
2102-09-16.754	89057.754	1.643	1.176	1.43 ± 0.706	5.60E5	3.53E-8	2.82E0	-7.46	0
2102-09-17.536	89058.536	-4.618	0.000	1.41 ± 0.703	3.85E5	3.31E-11	2.78E0	-10.49	0
2108-09-16.255	91249.255	0.094	3.106	1.43 ± 0.700	3.90E5	1.15E-9	2.77E0	-8.98	0
2108-09-16.347	91249.347	-0.100	0.000	0.18 ± 0.288	5.14E6	2.15E-7	2.91E0	-6.69	0
2108-09-16.430	91249.430	0.084	0.000	1.28 ± 0.699	4.45E6	1.10E-7	2.92E0	-6.98	0
2108-09-16.524	91249.524	-0.098	0.354	1.43 ± 0.702	1.55E7	1.74E-8	2.76E0	-7.80	0
2109-09-17.059	91615.059	-3.504	0.000	1.25 ± 0.695	4.17E5	2.61E-9	2.80E0	-8.63	0
2114-09-17.330	93441.330	4.415	0.000	1.31 ± 0.684	1.21E5	2.27E-10	3.09E0	-9.68	0
2120-09-16.504	95632.504	3.434	0.396	1.43 ± 0.693	1.04E5	6.78E-9	2.89E0	-8.26	0
2120-09-18.034	95634.034	-1.920	1.955	1.42 ± 0.676	9.68E5	1.26E-9	2.70E0	-9.01	0
2120-09-18.048	95634.048	-1.299	0.000	0.91 ± 0.607	4.55E6	9.17E-8	2.94E0	-7.12	0
2120-09-18.085	95634.085	-1.931	0.000	0.76 ± 0.623	3.27E5	3.70E-7	2.91E0	-6.51	0
2120-09-18.136	95634.136	-1.299	0.000	0.16 ± 0.668	2.29E6	1.81E-7	2.94E0	-6.82	0
2122-09-18.056	96364.056	-4.173	0.276	1.43 ± 0.678	3.31E5	1.47E-10	2.63E0	-9.96	0
2123-09-16.643	96727.643	1.531	0.379	1.43 ± 0.687	2.55E6	3.16E-8	2.82E0	-7.61	0
2125-09-16.248	97458.248	0.296	0.000	1.10 ± 0.688	4.54E6	1.46E-7	2.88E0	-6.94	0
2126-09-17.639	97824.639	1.093	1.536	1.42 ± 0.694	5.56E5	1.90E-9	2.80E0	-8.85	n/a
2126-09-17.683	97824.683	1.473	1.688	1.42 ± 0.693	1.50E6	5.51E-9	2.81E0	-8.38	n/a
2126-09-17.713	97824.713	0.976	0.000	0.46 ± 0.675	4.91E7	1.14E-8	2.96E0	-8.05	n/a


Based on 14 optical observations (of which 0 are rejected as outliers) from 2026/06/11.403 to 2026/06/17.033.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.43 and 1.43 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260617 025046.339 UTC.

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