Asteroids

2026MH help

Last update: 2026-06-22 12:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.868

Aphelion (Q)

1.089

Eccentricity (e)

0.113

Inclination (i)

4.4

deg

Orbit period (P)

353.6

Earth MOID

0.00009

U parameter

2.7

Next Earth close approach

Date

2027-02-17

Nominal distance (from Earth center)

0.17254

25811210

Maximum Brightness

26.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.9

mag

Diameter

4 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-06-17

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

0.978633

1-sigma variation

1.929E-7

Unit

Eccentricity (e)

Value

0.112538

1-sigma variation

0.000003

Unit

Inclination (i)

Value

4.4450

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

89.8473

1-sigma variation

1.980E-5

Unit

Arg. of Perihelion (ω)

Value

295.9935

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

243.13724

1-sigma variation

0.00091

Unit

Perihelion distance

Value

0.868499

1-sigma variation

Unit

Aphelion distance

Value

1.088767

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.063260

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000150

1-sigma variation

Unit

MOID

Value

0.000086

1-sigma variation

Unit

Orbit Period

Value

353.6130

1-sigma variation

Unit

U parameter

Value

2.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.72078E-14	3.18780E-13	1.43583E-11	-1.96622E-12	-6.03200E-11	1.03386E-10
e	3.18780E-13	1.12846E-11	4.93512E-10	-6.63691E-11	-1.58496E-9	3.03831E-9
i	1.43583E-11	4.93512E-10	2.16078E-8	-2.90719E-9	-6.95416E-8	1.33135E-7
Ω	-1.96622E-12	-6.63691E-11	-2.90719E-9	3.91945E-10	9.37089E-9	-1.79265E-8
ω	-6.03200E-11	-1.58496E-9	-6.95416E-8	9.37089E-9	2.31185E-7	-4.36421E-7
M	1.03386E-10	3.03831E-9	1.33135E-7	-1.79265E-8	-4.36421E-7	8.28982E-7

Date of computation: 2026-06-22 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

28.861

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

4 - 10*

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

0.689514

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-17.274549

Unit

Source

[2]

Last Observation

Value

2026-06-21.370976

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

99 (2)

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 2026MH 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	1964-01-24 15:38	24.0	0.1449662	0.1441321	0.0002781
EARTH	1965-01-08 12:43	57.9	0.0416573	0.0414154	0.0000813
EARTH	1965-10-30 20:41	142.5	0.1340393	0.1339991	0.0000134
EARTH	1966-04-28 04:29	32.6	0.1104855	0.1104737	0.0000039
EARTH	1966-08-23 13:12	34.2	0.1260720	0.1260300	0.0000140
EARTH	1967-06-22 00:52	1.9	0.0257903	0.0255781	0.0000707
EARTH	1994-01-29 02:00	< 1 min	0.1932445	0.1931787	0.0000220
EARTH	1995-01-13 09:39	4.2	0.0387572	0.0387369	0.0000068
EARTH	1995-10-29 08:26	41.6	0.1385477	0.1385323	0.0000051
EARTH	1996-05-11 19:42	44.5	0.0985164	0.0984501	0.0000221
EARTH	1996-08-04 19:53	61.3	0.1138519	0.1137702	0.0000272
EARTH	1997-06-19 18:01	1.6	0.0782626	0.0781237	0.0000463
EARTH	2024-01-21 11:32	2.0	0.0703978	0.0703608	0.0000124
EARTH	2024-11-26 05:21	15.3	0.1126812	0.1126566	0.0000082
EARTH	2025-03-29 19:57	12.2	0.1155414	0.1155268	0.0000049
EARTH	2025-09-15 18:16	10.6	0.1423811	0.1423719	0.0000031
EARTH	2026-06-21 11:06	< 1 s	0.0011979	0.0011978	0.0000000
EARTH	2027-02-17 16:42	42.8	0.1725373	0.1725230	0.0000048
EARTH	2027-12-01 10:53	2.5	0.1273399	0.1271728	0.0000557
EARTH	2042-06-17 11:40	37.6	0.0489774	0.0476103	0.0004557
EARTH	2043-03-05 16:17	393.6	0.1768911	0.1767734	0.0000392
EARTH	2043-11-30 17:15	21.1	0.0620216	0.0613903	0.0002109
EARTH	2058-06-11 00:30	126.1	0.1864922	0.1780277	0.0028215
EARTH	2059-04-11 01:11	> 1 d	0.1639574	0.1614635	0.0008319
EARTH	2059-12-11 14:17	> 1 d	0.0768068	0.0694668	0.0024979
EARTH	2075-06-20 17:03	88.8	0.0068066	0.0039153	0.0009715
EARTH	2076-03-25 17:46	> 1 w	0.1596981	0.1493014	0.0034680
EARTH	2076-12-23 02:18	> 1 w	0.0815370	0.0417109	0.0209368
EARTH	2077-12-14 18:09	24.1	0.1782383	0.0558994	0.0409635
EARTH	2100-06-17 02:32	> 1 w	0.0606267	0.0001864	0.3524815
EARTH	2101-04-18 13:56	> 1 mo	0.1440405	0.0704370	0.0821850
EARTH	2101-09-18 01:31	> 1 mo	0.1119938	0.1118390	0.0007633
EARTH	2102-01-29 11:53	> 1 mo	0.1301413	0.0600636	0.1064274
EARTH	2102-12-13 07:30	> 1 w	0.0886466	0.0188675	0.1366839
EARTH	2126-06-19 15:06	> 1 mo	0.0255609	0.0008779	2.4811722

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
249.97605767	165.21328977	0.00008573	MINIMUM
81.81304647	9.47026457	0.03734047	MINIMUM
165.17106492	87.33259314	0.11637813	SADDLE
345.62758797	266.49188664	0.14764993	SADDLE
349.82673356	91.19636390	1.86914770	SADDLE
172.69830464	274.09070096	2.08520622	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026MH

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2097-06-19.131	87143.131	1.082	2.46 ± 0.030	7.56E4	1.06E-5	6.18E-3	-7.08
2098-06-19.346	87508.346	1.331	2.41 ± 0.383	5.49E4	1.03E-5	6.19E-3	-7.10
2100-06-19.466	88238.466	1.574	0.77 ± 3.516	4.21E7	8.06E-9	6.19E-3	-10.21
2107-12-20.490	90978.490	2.350	0.55 ± 6.654	4.72E6	8.82E-9	6.20E-3	-10.21
2109-06-19.589	91525.589	1.570	1.44 ± 9.236	1.21E8	1.17E-9	6.20E-3	-11.10
2120-06-19.579	95543.579	1.167	1.23 ± 1.277	2.86E4	3.67E-5	6.19E-3	-6.66
2123-06-19.871	96638.871	1.737	1.37 ± 0.332	5.24E6	9.00E-8	6.19E-3	-9.28
2124-06-19.415	97004.415	1.094	2.92 ± 0.490	1.14E7	5.05E-8	6.19E-3	-9.54
2125-06-19.782	97369.782	1.352	1.66 ± 1.650	9.93E6	6.36E-8	6.19E-3	-9.44


Based on 38 optical observations (of which 0 are rejected as outliers) from 2026/06/17.275 to 2026/06/18.293.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 3.02 and 3.02 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260618 130059.034 UTC.

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