Asteroids

2026CB help

Last update: 2026-02-10 13:02 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.983

Aphelion (Q)

1.088

Eccentricity (e)

0.051

Inclination (i)

12.0

deg

Orbit period (P)

384.7

Earth MOID

0.00997

U parameter

5.9

Next Earth close approach

Date

2026-08-07

Nominal distance (from Earth center)

0.06271

9381619

Maximum Brightness

22.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 22*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-05

Observatory

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.035189

1-sigma variation

0.000028

Unit

Eccentricity (e)

Value

0.050702

1-sigma variation

0.000026

Unit

Inclination (i)

Value

12.0412

1-sigma variation

0.0036

Unit

Long. of Ascending Node (Ω)

Value

316.4959

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

225.0364

1-sigma variation

0.0048

Unit

Mean Anomaly (M)

Value

246.98703

1-sigma variation

0.00940

Unit

Perihelion distance

Value

0.982702

1-sigma variation

Unit

Aphelion distance

Value

1.087675

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.056005

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.010198

1-sigma variation

Unit

MOID

Value

0.009973

1-sigma variation

Unit

Orbit Period

Value

384.7048

1-sigma variation

Unit

U parameter

Value

5.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.61326E-10	7.23738E-10	1.00054E-7	-3.16220E-9	-1.32441E-7	2.59005E-7
e	7.23738E-10	6.88112E-10	9.51107E-8	-3.00607E-9	-1.25759E-7	2.46093E-7
i	1.00054E-7	9.51107E-8	1.31627E-5	-4.15953E-7	-1.73941E-5	3.40279E-5
Ω	-3.16220E-9	-3.00607E-9	-4.15953E-7	1.31477E-8	5.49647E-7	-1.07537E-6
ω	-1.32441E-7	-1.25759E-7	-1.73941E-5	5.49647E-7	2.32512E-5	-4.52421E-5
M	2.59005E-7	2.46093E-7	3.40279E-5	-1.07537E-6	-4.52421E-5	8.82764E-5

Date of computation: 2026-02-10 13:02 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

27.12

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

10 - 22*

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

0.883986

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-04.32515

Unit

Source

[2]

Last Observation

Value

2026-02-10.169294

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

49 (4)

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 2026CB 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	1966-01-31 18:30	133.2	0.1985727	0.1839282	0.0048819
EARTH	1967-02-09 04:27	82.6	0.1215644	0.1067079	0.0049543
EARTH	1967-08-01 17:09	299.4	0.0941624	0.0836671	0.0036560
EARTH	1987-02-07 11:00	7.3	0.0395414	0.0389187	0.0002076
EARTH	1987-08-05 13:40	39.7	0.0569198	0.0567370	0.0000636
EARTH	2006-02-03 10:05	163.6	0.1132345	0.0989815	0.0047542
EARTH	2006-08-18 15:47	743.9	0.1325413	0.1218859	0.0036302
EARTH	2007-07-28 05:49	116.3	0.1844243	0.1723180	0.0040652
EARTH	2026-02-06 08:06	< 1 s	0.0114474	0.0114371	0.0000034
EARTH	2026-08-07 10:21	10.0	0.0627122	0.0626329	0.0000265
EARTH	2045-02-07 14:28	134.0	0.0716135	0.0578887	0.0045857
EARTH	2045-08-02 03:12	408.7	0.0714734	0.0661337	0.0020891
EARTH	2063-02-05 08:17	72.8	0.0426475	0.0374359	0.0017465
EARTH	2063-08-11 11:00	202.7	0.0843153	0.0816094	0.0009123
EARTH	2082-02-03 23:41	398.2	0.0796138	0.0454477	0.0114591
EARTH	2082-08-15 04:39	> 1 d	0.1118953	0.0890113	0.0083510
EARTH	2102-02-08 19:26	172.3	0.0784316	0.0588356	0.0065455
EARTH	2102-08-03 11:09	553.8	0.0701778	0.0622273	0.0033120
EARTH	2121-02-08 06:03	362.0	0.0701484	0.0290485	0.0139229
EARTH	2121-08-03 04:39	1140.3	0.0695621	0.0610379	0.0060250

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
317.54345889	35.18853818	0.00997317	MINIMUM
129.46367197	212.47308653	0.05454416	MINIMUM
43.96909807	125.44224695	0.21107963	SADDLE
223.28657760	302.27018365	0.23098853	SADDLE
27.06555854	287.32363047	1.97382911	SADDLE
186.25916265	86.47278399	2.07996531	MAXIMUM

Download:

MOID Plots

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