Asteroids

2026KM1 help

Last update: 2026-05-26 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.560

Aphelion (Q)

2.683

Eccentricity (e)

0.655

Inclination (i)

20.1

deg

Orbit period (P)

754.1

Earth MOID

0.00092

U parameter

7.6

Next Earth close approach

Date

2034-11-30

Nominal distance (from Earth center)

0.08654

12945960

Maximum Brightness

25.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-22

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

1.621378

1-sigma variation

0.000875

Unit

Eccentricity (e)

Value

0.654688

1-sigma variation

0.000230

Unit

Inclination (i)

Value

20.1049

1-sigma variation

0.0071

Unit

Long. of Ascending Node (Ω)

Value

61.9544

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

277.2674

1-sigma variation

0.0038

Unit

Mean Anomaly (M)

Value

343.60910

1-sigma variation

0.01810

Unit

Perihelion distance

Value

0.559882

1-sigma variation

Unit

Aphelion distance

Value

2.682874

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.132271

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.002132

1-sigma variation

Unit

MOID

Value

0.000920

1-sigma variation

Unit

Orbit Period

Value

754.0927

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.66174E-7	2.01119E-7	6.21050E-6	-7.89825E-8	-3.24274E-6	1.58431E-5
e	2.01119E-7	5.28118E-8	1.63116E-6	-2.07293E-8	-8.48058E-7	4.15895E-6
i	6.21050E-6	1.63116E-6	5.04030E-5	-6.40533E-7	-2.61261E-5	1.28430E-4
Ω	-7.89825E-8	-2.07293E-8	-6.40533E-7	8.16304E-9	3.34857E-7	-1.63319E-6
ω	-3.24274E-6	-8.48058E-7	-2.61261E-5	3.34857E-7	1.42699E-5	-6.70286E-5
M	1.58431E-5	4.15895E-6	1.28430E-4	-1.63319E-6	-6.70286E-5	3.27610E-4

Date of computation: 2026-05-26 13:01 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

27.297

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

[-]

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

0.9

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.670842

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-22.24463

Unit

Source

[2]

Last Observation

Value

2026-05-23.179825

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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

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 2026KM1 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	1950-12-10 03:38	> 1 w	0.1304183	0.0641123	0.4340706
EARTH	1983-05-26 00:34	> 1 w	0.0519932	0.0050887	0.2757455
EARTH	1993-11-23 03:29	> 1 w	0.1866883	0.0757835	0.2254325
EARTH	1995-12-10 09:12	> 1 w	0.1312561	0.0678554	0.1947735
VENUS	2004-01-31 09:25	> 1 d	0.0482265	0.0465486	0.0337888
EARTH	2026-05-23 11:50	< 1 s	0.0042817	0.0042773	0.0000015
EARTH	2034-11-30 16:50	> 1 d	0.0865384	0.0668955	0.0262545
EARTH	2059-06-01 07:58	> 1 w	0.1678116	0.0027585	0.1475534
EARTH	2067-12-09 23:27	> 1 w	0.1313931	0.0708908	0.1237071
EARTH	2090-05-24 12:35	> 1 d	0.0221373	0.0062927	0.0513142
EARTH	2098-12-08 02:36	> 1 w	0.1068202	0.0730054	0.1138664
EARTH	2119-05-17 15:41	> 1 w	0.1516884	0.0065024	0.5357415

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
305.03981351	136.76071071	0.00092004	MINIMUM
51.14244247	327.41437595	0.06526474	MINIMUM
357.37801580	230.59376841	0.52097354	SADDLE
358.04481146	52.14774662	1.52830357	SADDLE
179.13253977	54.55383312	1.78406428	SADDLE
179.93833305	234.93768498	3.64826710	MAXIMUM

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MOID Plots

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