Asteroids

2026JM1 help

Last update: 2026-05-22 13:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.914

Aphelion (Q)

1.389

Eccentricity (e)

0.206

Inclination (i)

5.7

deg

Orbit period (P)

451.1

Earth MOID

0.00187

U parameter

6.0

Next Earth close approach

Date

2030-12-27

Nominal distance (from Earth center)

0.11005

16463608

Maximum Brightness

25.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.6

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-09

Observatory

University of Arizona Catalina Sky Survey

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

1.151178

1-sigma variation

0.000043

Unit

Eccentricity (e)

Value

0.206294

1-sigma variation

0.000040

Unit

Inclination (i)

Value

5.7404

1-sigma variation

0.0010

Unit

Long. of Ascending Node (Ω)

Value

226.6603

1-sigma variation

1.558E-5

Unit

Arg. of Perihelion (ω)

Value

295.5172

1-sigma variation

0.0011

Unit

Mean Anomaly (M)

Value

70.31534

1-sigma variation

0.00592

Unit

Perihelion distance

Value

0.913697

1-sigma variation

Unit

Aphelion distance

Value

1.388658

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.003461

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.218462

1-sigma variation

Unit

MOID

Value

0.001865

1-sigma variation

Unit

Orbit Period

Value

451.1406

1-sigma variation

Unit

U parameter

Value

6.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.83478E-9	1.72854E-9	4.48347E-8	-1.75673E-10	4.67219E-8	-2.53549E-7
e	1.72854E-9	1.62889E-9	4.22524E-8	-1.57016E-10	4.38991E-8	-2.38820E-7
i	4.48347E-8	4.22524E-8	1.09614E-6	-3.99493E-9	1.13793E-6	-6.19420E-6
Ω	-1.75673E-10	-1.57016E-10	-3.99493E-9	2.42881E-10	-6.75927E-9	2.51536E-8
ω	4.67219E-8	4.38991E-8	1.13793E-6	-6.75927E-9	1.22146E-6	-6.46936E-6
M	-2.53549E-7	-2.38820E-7	-6.19420E-6	2.51536E-8	-6.46936E-6	3.50432E-5

Date of computation: 2026-05-22 13:46 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

27.611

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

8 - 18*

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

0.522715

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-09.348449

Unit

Source

[2]

Last Observation

Value

2026-05-22.16232

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

103 (1)

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 2026JM1 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	1955-12-23 11:38	> 1 w	0.0758291	0.0721276	0.1605663
EARTH	1961-11-21 15:01	> 1 mo	0.1940861	0.1232753	0.1653600
EARTH	1962-03-24 22:11	> 1 mo	0.1088844	0.0622011	0.1123363
EARTH	1968-05-08 22:56	> 1 d	0.0265787	0.0024024	0.0543354
EARTH	1984-12-22 16:48	265.2	0.0740776	0.0734771	0.0010284
EARTH	1991-04-30 16:29	> 1 d	0.0405353	0.0207294	0.0066020
EARTH	1997-05-19 14:09	452.6	0.1762753	0.1544964	0.0072600
EARTH	2013-12-19 03:31	234.8	0.1141544	0.1038688	0.0035496
EARTH	2019-12-11 11:31	1314.5	0.1442034	0.1387128	0.0018523
EARTH	2020-02-19 11:25	> 1 d	0.1226456	0.1224318	0.0000784
EARTH	2026-05-07 06:30	< 1 min	0.0041345	0.0041321	0.0000008
EARTH	2030-12-27 06:50	103.0	0.1100524	0.1065498	0.0011936
EARTH	2047-04-15 06:46	> 1 d	0.0783739	0.0645699	0.0046411
EARTH	2063-05-17 14:04	106.5	0.1209173	0.1170070	0.0013034
EARTH	2068-01-01 15:08	89.3	0.0865029	0.0859740	0.0001815
EARTH	2084-04-25 19:56	> 1 d	0.0525950	0.0328327	0.0066055
EARTH	2100-05-03 10:17	> 1 d	0.0255845	0.0002040	0.0091835
EARTH	2115-12-26 19:39	> 1 d	0.1128310	0.0812963	0.0682930
EARTH	2126-12-21 16:00	> 1 mo	0.1416103	0.0892154	0.0978968

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
53.42511692	120.58833324	0.00186518	MINIMUM
306.75422749	354.29732944	0.08265992	MINIMUM
353.18729995	48.67735862	0.11722351	SADDLE
179.95814757	238.44058063	0.39457257	SADDLE
3.78749240	241.63269429	1.92028734	SADDLE
183.31837711	61.18147210	2.37796806	MAXIMUM

Download:

MOID Plots

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