Asteroids

2026AA help

Last update: 2026-01-11 13:31 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.917

Aphelion (Q)

1.907

Eccentricity (e)

0.350

Inclination (i)

23.6

deg

Orbit period (P)

612.9

Earth MOID

0.02040

U parameter

7.9

Next Earth close approach

Date

2062-12-22

Nominal distance (from Earth center)

0.17954

26858626

Maximum Brightness

22.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

70 - 150*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-06

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

1.412086

1-sigma variation

0.001163

Unit

Eccentricity (e)

Value

0.350428

1-sigma variation

0.000542

Unit

Inclination (i)

Value

23.5997

1-sigma variation

0.0218

Unit

Long. of Ascending Node (Ω)

Value

102.0885

1-sigma variation

0.0019

Unit

Arg. of Perihelion (ω)

Value

311.1142

1-sigma variation

0.0204

Unit

Mean Anomaly (M)

Value

357.25565

1-sigma variation

0.01094

Unit

Perihelion distance

Value

0.917252

1-sigma variation

Unit

Aphelion distance

Value

1.906921

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.023135

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.591484

1-sigma variation

Unit

MOID

Value

0.020399

1-sigma variation

Unit

Orbit Period

Value

612.9011

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.35369E-6	6.30995E-7	2.53378E-5	-2.17573E-6	2.36773E-5	-1.27145E-5
e	6.30995E-7	2.94140E-7	1.18123E-5	-1.01407E-6	1.10316E-5	-5.92475E-6
i	2.53378E-5	1.18123E-5	4.74449E-4	-4.07135E-5	4.42619E-4	-2.37779E-4
Ω	-2.17573E-6	-1.01407E-6	-4.07135E-5	3.49782E-6	-3.80896E-5	2.04477E-5
ω	2.36773E-5	1.10316E-5	4.42619E-4	-3.80896E-5	4.15929E-4	-2.23039E-4
M	-1.27145E-5	-5.92475E-6	-2.37779E-4	2.04477E-5	-2.23039E-4	1.19657E-4

Date of computation: 2026-01-11 13:31 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

23.008

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

70 - 150*

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

0.549328

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-06.271186

Unit

Source

[2]

Last Observation

Value

2026-01-10.857141

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

96 (1)

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 2026AA 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	1973-12-23 23:15	> 1 w	0.1521487	0.0094559	0.1781921
EARTH	1979-01-03 11:12	> 1 w	0.0397126	0.0208139	0.2760596
EARTH	2020-12-21 10:50	> 1 d	0.1869599	0.0677725	0.0397301
EARTH	2026-01-03 05:18	< 1 min	0.0374286	0.0373122	0.0000388
EARTH	2062-12-22 11:28	> 1 w	0.1795388	0.0020492	0.2677819
EARTH	2068-01-05 22:46	> 1 w	0.0758263	0.0181598	0.2823334
EARTH	2104-12-31 09:23	> 1 w	0.0436225	0.0191196	0.1533822

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.94421028	359.52500694	0.02039861	MINIMUM
292.44709395	222.05643564	0.37255356	MINIMUM
326.29416311	265.23780898	0.40713493	SADDLE
166.38545381	124.24866056	1.00385754	SADDLE
351.43202966	122.70799180	1.90185549	SADDLE
183.50609681	316.46540979	2.86606451	MAXIMUM

Download:

MOID Plots

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