Asteroids

2026CC3 help

Last update: 2026-03-05 17:19 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.895

Aphelion (Q)

1.004

Eccentricity (e)

0.058

Inclination (i)

1.6

deg

Orbit period (P)

338.0

Earth MOID

0.01016

U parameter

5.7

Next Earth close approach

Date

2026-03-11

Nominal distance (from Earth center)

0.01051

1572039

Maximum Brightness

18.9

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-13

Observatory

Oukaimeden Observatory, Marrakech

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

0.949524

1-sigma variation

0.000016

Unit

Eccentricity (e)

Value

0.057890

1-sigma variation

0.000022

Unit

Inclination (i)

Value

1.5849

1-sigma variation

0.0007

Unit

Long. of Ascending Node (Ω)

Value

336.8623

1-sigma variation

0.0043

Unit

Arg. of Perihelion (ω)

Value

355.5695

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

295.34925

1-sigma variation

0.00083

Unit

Perihelion distance

Value

0.894556

1-sigma variation

Unit

Aphelion distance

Value

1.004492

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.115463

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.014474

1-sigma variation

Unit

MOID

Value

0.010162

1-sigma variation

Unit

Orbit Period

Value

337.9537

1-sigma variation

Unit

U parameter

Value

5.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.65745E-10	-3.50944E-10	-1.13454E-8	-7.02806E-8	1.15804E-8	1.16816E-8
e	-3.50944E-10	4.63467E-10	1.49843E-8	9.28210E-8	-1.52702E-8	-1.54608E-8
i	-1.13454E-8	1.49843E-8	4.84676E-7	3.00205E-6	-4.89662E-7	-5.05658E-7
Ω	-7.02806E-8	9.28210E-8	3.00205E-6	1.85954E-5	-3.03718E-6	-3.12677E-6
ω	1.15804E-8	-1.52702E-8	-4.89662E-7	-3.03718E-6	5.90796E-7	3.86044E-7
M	1.16816E-8	-1.54608E-8	-5.05658E-7	-3.12677E-6	3.86044E-7	6.90186E-7

Date of computation: 2026-03-05 17:19 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

27.395

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 - 20*

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

0.498308

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-13.19184

Unit

Source

[2]

Last Observation

Value

2026-03-03.4554

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

66 (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

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 2026CC3 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	1961-09-28 19:36	> 1 mo	0.1011487	0.0859164	0.0250765
EARTH	1962-04-06 04:03	> 1 d	0.0843004	0.0162963	0.1165771
EARTH	1974-01-08 05:09	1425.6	0.1870959	0.0277847	0.0983859
EARTH	1974-08-19 06:55	> 1 mo	0.1133352	0.1133093	0.0006706
EARTH	1975-04-04 14:28	715.8	0.1974078	0.0173031	0.0912616
EARTH	1987-01-07 12:47	1013.4	0.0643767	0.0266206	0.0198333
EARTH	1987-07-03 06:26	> 1 mo	0.0970290	0.0835181	0.0052642
EARTH	2000-01-08 13:31	454.9	0.1967481	0.1209099	0.0254538
EARTH	2000-08-26 15:24	> 1 mo	0.1092793	0.1089029	0.0007559
EARTH	2001-04-06 01:20	299.0	0.1679264	0.0948901	0.0244659
EARTH	2013-10-21 20:49	> 1 d	0.0873030	0.0853641	0.0006505
EARTH	2014-04-02 22:56	313.9	0.0360765	0.0314111	0.0015784
EARTH	2026-03-11 05:44	< 1 min	0.0105084	0.0104992	0.0000031
EARTH	2037-12-28 13:17	7.3	0.0881542	0.0826232	0.0018486
EARTH	2038-07-04 15:48	> 1 d	0.1060079	0.1048690	0.0003824
EARTH	2050-10-20 23:15	> 1 d	0.0861573	0.0840866	0.0006982
EARTH	2051-03-25 10:00	355.6	0.0287494	0.0239278	0.0016403
EARTH	2062-01-11 23:27	> 1 w	0.0203336	0.0168145	0.0161837
EARTH	2062-05-25 12:01	> 1 mo	0.0775270	0.0480226	0.0189837
EARTH	2074-11-20 19:05	> 1 mo	0.0690443	0.0173902	0.0183075
EARTH	2075-03-12 21:49	> 1 w	0.0131049	0.0123544	0.0085659
EARTH	2086-01-01 08:48	> 1 w	0.1390735	0.0151667	1.6570079
EARTH	2086-07-17 07:46	> 1 mo	0.1159550	0.1014077	0.2240520
EARTH	2097-10-12 01:20	> 1 mo	0.0980918	0.0552158	0.5046665
EARTH	2098-03-26 00:42	> 1 mo	0.0616163	0.0157713	1.4747013
EARTH	2108-10-10 07:00	> 1 mo	0.1029841	0.0593085	2.0746230
EARTH	2109-03-26 08:27	> 1 mo	0.0741169	0.0164087	6.4180683
EARTH	2119-08-06 19:42	> 1 mo	0.1266483	0.1262791	0.1377707

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
203.34438665	69.19341567	0.01016161	MINIMUM
347.25132930	215.14935057	0.11818228	SADDLE
348.92396825	36.92890992	1.88231309	SADDLE
169.83727012	217.84343044	2.01685293	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026CC3

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2122-01-11.294	96114.294	-1.793	0.000	4.07 ± 0.000	2.14E9	3.88E-10	3.40E-2	-11.05	0


Based on 66 optical observations (of which 0 are rejected as outliers) from 2026/02/13.192 to 2026/03/03.455.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 6.58 and 6.58 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260305 173346.556 UTC.

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Download Impactor Table as: