Asteroids

2026CA2 help

Last update: 2026-02-19 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.912

Aphelion (Q)

1.444

Eccentricity (e)

0.226

Inclination (i)

10.8

deg

Orbit period (P)

467.0

Earth MOID

0.01426

U parameter

7.5

Next Earth close approach

Date

2040-03-14

Nominal distance (from Earth center)

0.14895

22282458

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.1

mag

Diameter

25 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-12

Observatory

MAPS, San Pedro de Atacama

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

1.178023

1-sigma variation

0.000382

Unit

Eccentricity (e)

Value

0.225577

1-sigma variation

0.000308

Unit

Inclination (i)

Value

10.8390

1-sigma variation

0.0118

Unit

Long. of Ascending Node (Ω)

Value

149.1635

1-sigma variation

0.0015

Unit

Arg. of Perihelion (ω)

Value

61.4690

1-sigma variation

0.0067

Unit

Mean Anomaly (M)

Value

251.68425

1-sigma variation

0.06377

Unit

Perihelion distance

Value

0.912288

1-sigma variation

Unit

Aphelion distance

Value

1.443758

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.020278

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.240757

1-sigma variation

Unit

MOID

Value

0.014265

1-sigma variation

Unit

Orbit Period

Value

467.0133

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.45550E-7	1.17520E-7	4.51679E-6	5.68192E-7	-2.47583E-6	2.43260E-5
e	1.17520E-7	9.49160E-8	3.64839E-6	4.58972E-7	-1.99006E-6	1.96368E-5
i	4.51679E-6	3.64839E-6	1.40243E-4	1.76429E-5	-7.63720E-5	7.54669E-4
Ω	5.68192E-7	4.58972E-7	1.76429E-5	2.21957E-6	-9.60071E-6	9.49307E-5
ω	-2.47583E-6	-1.99006E-6	-7.63720E-5	-9.60071E-6	4.49341E-5	-4.15175E-4
M	2.43260E-5	1.96368E-5	7.54669E-4	9.49307E-5	-4.15175E-4	4.06630E-3

Date of computation: 2026-02-19 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

25.12

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

25 - 60*

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

0.649041

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-12.24183

Unit

Source

[2]

Last Observation

Value

2026-02-18.558534

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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 2026CA2 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	1962-07-16 09:17	365.5	0.1450595	0.1371890	0.0079933
EARTH	1971-02-26 05:34	767.3	0.0612262	0.0438075	0.0058476
EARTH	1985-07-17 01:59	675.8	0.1810738	0.1371736	0.0226900
EARTH	1994-04-04 05:51	> 1 w	0.1797792	0.1016228	0.0352786
EARTH	2003-02-15 19:02	> 1 d	0.0958082	0.0114482	0.0709833
EARTH	2017-07-19 08:48	> 1 d	0.1492289	0.1366845	0.0106975
EARTH	2026-02-19 17:18	< 1 min	0.0283024	0.0282049	0.0000325
EARTH	2040-03-14 19:53	> 1 w	0.1489490	0.0444061	0.0376424
EARTH	2054-07-17 23:24	> 1 d	0.1345721	0.1335847	0.0083231
EARTH	2063-02-15 23:58	> 1 d	0.0972990	0.0125235	0.0979107
EARTH	2077-02-25 15:16	> 1 d	0.0594182	0.0128930	0.0475876
EARTH	2091-07-20 06:22	> 1 d	0.1452741	0.1348893	0.0295020
EARTH	2100-02-15 12:15	> 1 w	0.1142214	0.0122334	0.1687981
EARTH	2114-03-03 06:52	> 1 w	0.0970834	0.0064453	0.1800560

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
312.09723907	50.12073255	0.01426479	MINIMUM
70.39733181	193.19349180	0.13496731	MINIMUM
18.34215859	131.36450364	0.20146919	SADDLE
188.96407447	296.72916183	0.49437769	SADDLE
5.84642759	295.34299745	1.89947728	SADDLE
181.31596432	110.60832003	2.44208992	MAXIMUM

Download:

MOID Plots

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