Asteroids

2026CM1 help

Last update: 2026-02-11 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.616

Aphelion (Q)

1.066

Eccentricity (e)

0.268

Inclination (i)

3.5

deg

Orbit period (P)

281.7

Earth MOID

0.00682

U parameter

6.9

Next Earth close approach

Date

2033-04-19

Nominal distance (from Earth center)

0.1863

27870352

Maximum Brightness

25.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-09

Observatory

Mt. Lemmon 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.840990

1-sigma variation

0.000067

Unit

Eccentricity (e)

Value

0.267812

1-sigma variation

0.000142

Unit

Inclination (i)

Value

3.5119

1-sigma variation

0.0024

Unit

Long. of Ascending Node (Ω)

Value

143.9864

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

211.9677

1-sigma variation

0.0068

Unit

Mean Anomaly (M)

Value

21.48087

1-sigma variation

0.01769

Unit

Perihelion distance

Value

0.615763

1-sigma variation

Unit

Aphelion distance

Value

1.066217

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.022118

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.377272

1-sigma variation

Unit

MOID

Value

0.006820

1-sigma variation

Unit

Orbit Period

Value

281.6986

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.51390E-9	-9.32101E-9	-1.58552E-7	5.85877E-9	3.93078E-7	1.06259E-6
e	-9.32101E-9	2.01223E-8	3.40373E-7	-8.63907E-9	-7.07723E-7	-2.42832E-6
i	-1.58552E-7	3.40373E-7	5.77027E-6	-1.59977E-7	-1.22608E-5	-4.07936E-5
Ω	5.85877E-9	-8.63907E-9	-1.59977E-7	2.51445E-8	9.17510E-7	4.53310E-7
ω	3.93078E-7	-7.07723E-7	-1.22608E-5	9.17510E-7	4.65906E-5	6.47061E-5
M	1.06259E-6	-2.42832E-6	-4.07936E-5	4.53310E-7	6.47061E-5	3.12798E-4

Date of computation: 2026-02-11 13:00 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

26.099

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

16 - 40*

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

0.6

Unit

Source

[1]

Normalized RMS of residuals

Value

0.77042

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-09.370648

Unit

Source

[2]

Last Observation

Value

2026-02-10.997973

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

38 (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

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2026CM1 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	1958-02-04 13:43	752.2	0.0379471	0.0093812	0.0165322
EARTH	1965-03-24 14:08	> 1 w	0.0784073	0.0739334	0.0032287
EARTH	1972-04-22 11:39	145.8	0.1105208	0.0577044	0.0235285
EARTH	1975-02-05 16:13	876.3	0.1668765	0.0900544	0.0256651
EARTH	1982-02-16 20:20	> 1 d	0.0477225	0.0180802	0.0107498
VENUS	1988-02-09 07:05	698.1	0.0407376	0.0368569	0.0017064
EARTH	1989-04-21 03:21	204.9	0.0636325	0.0623380	0.0004449
EARTH	1999-02-16 09:20	> 1 d	0.0461921	0.0174558	0.0103668
EARTH	2006-04-22 10:20	270.9	0.0848869	0.0596204	0.0109271
EARTH	2009-02-05 01:03	430.3	0.1546830	0.1167707	0.0126472
VENUS	2011-11-10 18:20	1126.0	0.0485196	0.0484186	0.0006580
EARTH	2016-03-26 16:53	> 1 d	0.0767097	0.0737627	0.0010930
EARTH	2026-02-09 05:08	< 1 min	0.0196426	0.0196100	0.0000109
EARTH	2033-04-19 21:01	133.1	0.1863018	0.1739433	0.0041342
EARTH	2036-02-08 16:39	1108.3	0.0142303	0.0069534	0.0045318
EARTH	2046-04-04 21:04	> 1 w	0.0666686	0.0596191	0.0086205
EARTH	2049-02-04 12:32	1372.0	0.1734100	0.0459369	0.0426840
VENUS	2051-11-03 16:19	> 1 d	0.0495658	0.0479881	0.0161165
EARTH	2056-04-19 08:19	> 1 d	0.1450700	0.0571571	0.0761442
EARTH	2059-02-11 16:10	> 1 w	0.0295612	0.0076612	0.0693967
EARTH	2069-04-19 16:21	982.7	0.1046889	0.0571378	0.0956718
EARTH	2072-02-08 11:23	> 1 w	0.0131060	0.0061550	0.1221186
EARTH	2085-04-03 21:16	> 1 mo	0.0655118	0.0594965	0.3376703
EARTH	2088-02-03 21:05	> 1 d	0.0741346	0.0073170	1.5892414
VENUS	2090-03-30 06:19	> 1 mo	0.0451776	0.0371239	1.0845810
EARTH	2098-04-19 07:51	> 1 d	0.1033057	0.0562529	0.9074878
VENUS	2099-03-17 10:37	> 1 mo	0.0494311	0.0475073	0.3533505
EARTH	2101-02-16 07:08	> 1 mo	0.0431175	0.0102677	0.6450322
EARTH	2114-04-16 20:51	> 1 mo	0.0578617	0.0573338	0.0911204
EARTH	2117-02-05 19:34	> 1 mo	0.0146559	0.0048767	1.1307383

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
131.01439843	35.88337100	0.00682033	MINIMUM
220.70102448	105.13946912	0.05561869	MINIMUM
181.87279552	75.12472271	0.07787460	SADDLE
355.30365216	249.94758844	0.39092176	SADDLE
354.80204453	69.26381137	1.61094662	SADDLE
176.65368987	251.17060624	2.07177990	MAXIMUM

Download:

MOID Plots

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