Asteroids

2026OM help

Last update: 2026-07-20 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.718

Aphelion (Q)

1.063

Eccentricity (e)

0.193

Inclination (i)

5.0

deg

Orbit period (P)

306.9

Earth MOID

0.00558

U parameter

6.5

Next Earth close approach

Date

2026-12-03

Nominal distance (from Earth center)

0.19567

29272283

Maximum Brightness

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

2026-07-19

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

0.890502

1-sigma variation

0.000046

Unit

Eccentricity (e)

Value

0.193198

1-sigma variation

0.000097

Unit

Inclination (i)

Value

4.9775

1-sigma variation

0.0036

Unit

Long. of Ascending Node (Ω)

Value

293.6371

1-sigma variation

0.0012

Unit

Arg. of Perihelion (ω)

Value

211.4054

1-sigma variation

0.0300

Unit

Mean Anomaly (M)

Value

91.95111

1-sigma variation

0.04582

Unit

Perihelion distance

Value

0.718459

1-sigma variation

Unit

Aphelion distance

Value

1.062545

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.009957

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.247820

1-sigma variation

Unit

MOID

Value

0.005585

1-sigma variation

Unit

Orbit Period

Value

306.9379

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.13549E-9	-1.96871E-9	-4.20465E-8	2.62597E-8	6.78881E-7	-6.56100E-7
e	-1.96871E-9	9.39847E-9	3.42912E-7	7.17993E-8	1.65246E-6	-3.18861E-6
i	-4.20465E-8	3.42912E-7	1.30552E-5	3.34402E-6	7.79799E-5	-1.39199E-4
Ω	2.62597E-8	7.17993E-8	3.34402E-6	1.54689E-6	3.71898E-5	-5.61025E-5
ω	6.78881E-7	1.65246E-6	7.79799E-5	3.71898E-5	9.00347E-4	-1.34832E-3
M	-6.56100E-7	-3.18861E-6	-1.39199E-4	-5.61025E-5	-1.34832E-3	2.09926E-3

Date of computation: 2026-07-20 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

27.566

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

[-]

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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

0.7

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.751617

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-07-19.218928

Unit

Source

[2]

Last Observation

Value

2026-07-19.937039

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2026OM 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	1957-10-01 21:19	381.6	0.0969621	0.0877218	0.0039881
EARTH	1962-07-09 04:45	323.3	0.0711416	0.0185682	0.0182491
EARTH	1973-09-06 04:38	> 1 d	0.0807331	0.0798426	0.0007453
EARTH	1978-07-10 09:24	86.2	0.1848590	0.1711845	0.0045592
EARTH	1984-10-01 08:51	173.5	0.1915876	0.1849668	0.0022156
EARTH	1989-07-20 10:13	> 1 d	0.0332704	0.0173495	0.0056629
EARTH	1989-11-30 11:19	> 1 d	0.1855825	0.1759790	0.0033620
VENUS	1999-04-03 22:24	458.1	0.0491008	0.0365640	0.0045751
EARTH	2005-09-07 13:57	> 1 d	0.0799327	0.0792686	0.0005539
EARTH	2010-07-08 22:24	29.1	0.0827898	0.0477699	0.0117402
EARTH	2021-10-02 12:58	127.9	0.1103852	0.1037073	0.0023385
VENUS	2024-06-25 14:04	98.6	0.0290494	0.0285581	0.0002365
EARTH	2026-07-14 23:25	< 1 min	0.0118827	0.0118590	0.0000079
EARTH	2026-12-03 18:50	491.2	0.1956731	0.1951953	0.0001596
EARTH	2031-07-09 03:40	19.2	0.0839330	0.0775477	0.0021296
EARTH	2052-09-30 07:56	64.0	0.1483852	0.1420861	0.0021218
VENUS	2054-08-15 11:26	271.7	0.0356322	0.0301913	0.0019976
EARTH	2057-09-24 23:39	219.0	0.0838832	0.0831835	0.0002425
EARTH	2062-08-25 10:51	791.7	0.0752826	0.0745287	0.0002567
VENUS	2066-04-27 22:00	419.9	0.0391712	0.0330321	0.0021507
EARTH	2067-07-28 07:18	> 1 d	0.0488675	0.0434766	0.0018191
EARTH	2067-11-16 20:08	> 1 d	0.1712637	0.1660187	0.0017805
EARTH	2072-07-11 14:54	565.1	0.0055781	0.0043764	0.0017838
EARTH	2072-12-12 03:37	> 1 w	0.1998058	0.1930413	0.0028689
EARTH	2083-10-01 03:35	> 1 d	0.0960160	0.0870123	0.0352847
EARTH	2088-07-08 18:30	654.2	0.0855211	0.0077880	0.1045566
EARTH	2099-08-22 10:51	> 1 d	0.0788367	0.0646342	0.0058806
EARTH	2104-07-11 22:16	549.0	0.1978269	0.0630523	0.0449365
EARTH	2115-07-29 23:58	> 1 mo	0.0539542	0.0191323	0.0955709
EARTH	2115-11-21 15:47	> 1 mo	0.1676792	0.1298438	0.0809615
EARTH	2126-10-02 18:47	1187.5	0.1789350	0.1246794	0.0210447

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
138.72714833	186.34024701	0.00558451	MINIMUM
9.31610044	50.82482573	0.27351251	SADDLE
5.56376984	226.31913318	1.73017741	SADDLE
182.60155589	43.28297547	2.04969565	MAXIMUM

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MOID Plots

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