Asteroids

2026CZ3 help

Last update: 2026-02-17 13:16 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.643

Aphelion (Q)

2.300

Eccentricity (e)

0.563

Inclination (i)

4.5

deg

Orbit period (P)

652.0

Earth MOID

0.00411

U parameter

8.2

Next Earth close approach

Date

2040-08-29

Nominal distance (from Earth center)

0.09723

14545027

Maximum Brightness

23.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.5

mag

Diameter

21 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-13

Observatory

Pan-STARRS 1, Haleakala

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

1.471482

1-sigma variation

0.001771

Unit

Eccentricity (e)

Value

0.562825

1-sigma variation

0.000714

Unit

Inclination (i)

Value

4.4907

1-sigma variation

0.0056

Unit

Long. of Ascending Node (Ω)

Value

148.0509

1-sigma variation

0.0013

Unit

Arg. of Perihelion (ω)

Value

92.3299

1-sigma variation

0.0021

Unit

Mean Anomaly (M)

Value

281.53169

1-sigma variation

0.15723

Unit

Perihelion distance

Value

0.643295

1-sigma variation

Unit

Aphelion distance

Value

2.299670

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.040236

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.029843

1-sigma variation

Unit

MOID

Value

0.004108

1-sigma variation

Unit

Orbit Period

Value

651.9750

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.13817E-6	1.26505E-6	9.91590E-6	2.27282E-6	-1.54370E-6	2.78526E-4
e	1.26505E-6	5.10114E-7	3.99749E-6	9.16230E-7	-5.99353E-7	1.12280E-4
i	9.91590E-6	3.99749E-6	3.13343E-5	7.18130E-6	-4.84485E-6	8.80082E-4
Ω	2.27282E-6	9.16230E-7	7.18130E-6	1.64641E-6	-1.11619E-6	2.01723E-4
ω	-1.54370E-6	-5.99353E-7	-4.84485E-6	-1.11619E-6	4.29630E-6	-1.36876E-4
M	2.78526E-4	1.12280E-4	8.80082E-4	2.01723E-4	-1.36876E-4	2.47205E-2

Date of computation: 2026-02-17 13:16 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

25.5

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

21 - 50*

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

0.730906

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-13.412675

Unit

Source

[2]

Last Observation

Value

2026-02-17.193016

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (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 2026CZ3 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
MARS	1958-08-17 15:34	> 1 w	0.0485154	0.0205051	0.3392653
VENUS	1961-11-20 01:12	> 1 mo	0.0205042	0.0021307	0.3297353
EARTH	1965-08-28 09:39	> 1 w	0.0860968	0.0029427	0.3290559
EARTH	1967-03-01 17:34	> 1 w	0.1309988	0.0023190	0.3117564
EARTH	1999-08-15 07:38	> 1 w	0.1306334	0.0049872	0.2500372
EARTH	2001-02-16 00:57	> 1 w	0.0852121	0.0044776	0.2590290
EARTH	2024-08-21 07:53	> 1 d	0.0442159	0.0041761	0.0208652
EARTH	2026-02-20 02:02	< 1 min	0.0172205	0.0171591	0.0000205
MARS	2030-02-04 20:42	1425.5	0.0236371	0.0235870	0.0016914
EARTH	2040-08-29 12:53	> 1 w	0.0972275	0.0050970	0.1661907
EARTH	2042-02-27 11:49	> 1 w	0.1017768	0.0047246	0.1798181
VENUS	2052-12-04 01:22	> 1 w	0.0104061	0.0034692	0.1806134
EARTH	2056-09-02 19:06	> 1 mo	0.1744067	0.0077670	1.4069903
EARTH	2058-03-02 09:00	> 1 mo	0.1345561	0.0043558	2.1469827
EARTH	2072-08-21 06:13	> 1 mo	0.0588892	0.0061364	7.6977078
EARTH	2074-02-15 17:09	> 1 mo	0.1082212	0.0058866	7.6083456
EARTH	2095-08-29 17:28	> 1 mo	0.0708833	0.0067346	9.2905110
EARTH	2097-02-22 14:00	> 1 mo	0.0225179	0.0070732	9.7088754
VENUS	2097-03-28 06:33	> 1 mo	0.0391190	0.0020814	9.3778508
EARTH	2111-08-23 18:07	> 1 mo	0.0488899	0.0065581	72.1875156
EARTH	2113-02-18 02:53	> 1 mo	0.0803301	0.0067445	69.0453861
VENUS	2113-03-18 13:39	> 1 mo	0.0332465	0.0034421	75.8587614

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
56.24682992	230.42762924	0.00410761	MINIMUM
305.51286868	49.84002852	0.00529468	MINIMUM
1.35720269	140.66730824	0.37607467	SADDLE
180.38632201	319.56875323	1.31729394	SADDLE
1.39126103	320.76004434	1.62965097	SADDLE
180.42390498	139.59592405	3.31144012	MAXIMUM

Download:

MOID Plots

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