Asteroids

2026CJ help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.022

Aphelion (Q)

4.041

Eccentricity (e)

0.596

Inclination (i)

2.5

deg

Orbit period (P)

1471.1

Earth MOID

0.04374

U parameter

7.9

Next Earth close approach

Date

2030-03-09

Nominal distance (from Earth center)

0.13975

20906143

Maximum Brightness

23.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-04

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

2.531465

1-sigma variation

0.003967

Unit

Eccentricity (e)

Value

0.596476

1-sigma variation

0.000619

Unit

Inclination (i)

Value

2.4590

1-sigma variation

0.0020

Unit

Long. of Ascending Node (Ω)

Value

357.4001

1-sigma variation

0.0041

Unit

Arg. of Perihelion (ω)

Value

138.7355

1-sigma variation

0.0029

Unit

Mean Anomaly (M)

Value

341.33468

1-sigma variation

0.04363

Unit

Perihelion distance

Value

1.021507

1-sigma variation

Unit

Aphelion distance

Value

4.041423

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.951801

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.129528

1-sigma variation

Unit

MOID

Value

0.043738

1-sigma variation

Unit

Orbit Period

Value

1471.1478

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.57351E-5	2.45576E-6	7.99376E-6	1.62654E-5	-1.13672E-5	1.73056E-4
e	2.45576E-6	3.83266E-7	1.24757E-6	2.53851E-6	-1.77406E-6	2.70085E-5
i	7.99376E-6	1.24757E-6	4.06124E-6	8.25793E-6	-5.76914E-6	8.79157E-5
Ω	1.62654E-5	2.53851E-6	8.25793E-6	1.69367E-5	-1.18852E-5	1.78890E-4
ω	-1.13672E-5	-1.77406E-6	-5.76914E-6	-1.18852E-5	8.36277E-6	-1.25021E-4
M	1.73056E-4	2.70085E-5	8.79157E-5	1.78890E-4	-1.25021E-4	1.90328E-3

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

25.325

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

23 - 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

[-]

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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

0.627547

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-20.202268

Unit

Source

[2]

Last Observation

Value

2026-02-10.330256

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (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 2026CJ 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	2022-01-07 00:05	> 1 d	0.1508142	0.0348378	0.0527392
EARTH	2026-02-06 12:00	< 1 min	0.0452280	0.0451011	0.0000423
EARTH	2030-03-09 18:54	> 1 d	0.1397489	0.0211212	0.0529442
EARTH	2066-03-17 16:33	> 1 w	0.1122690	0.0103840	0.2229303
EARTH	2070-02-19 12:07	> 1 mo	0.0293490	0.0046938	0.0565578
EARTH	2073-12-20 11:06	> 1 d	0.1969797	0.0408925	0.0698120
2 Pallas	2077-02-13 22:51	> 1 w	0.0122002	0.0065777	0.1139774
EARTH	2113-02-01 12:47	> 1 mo	0.0804749	0.0691762	0.2231226

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
2.66404738	39.53811543	0.04373782	MINIMUM
0.73906183	215.74672356	2.03624328	SADDLE
180.16870769	215.08036463	3.02697297	SADDLE
180.20096910	35.09262905	5.02772726	MAXIMUM

Download:

MOID Plots

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