Asteroids

2022TT help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.046

Aphelion (Q)

1.473

Eccentricity (e)

0.169

Inclination (i)

24.7

deg

Orbit period (P)

516.3

Earth MOID

0.05948

U parameter

8.5

Next Earth close approach

Date

2046-10-08

Nominal distance (from Earth center)

0.19268

28824994

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-10-02

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.259592

1-sigma variation

0.001885

Unit

Eccentricity (e)

Value

0.169178

1-sigma variation

0.001114

Unit

Inclination (i)

Value

24.7198

1-sigma variation

0.0688

Unit

Long. of Ascending Node (Ω)

Value

190.6982

1-sigma variation

0.0025

Unit

Arg. of Perihelion (ω)

Value

154.4781

1-sigma variation

0.0627

Unit

Mean Anomaly (M)

Value

235.54462

1-sigma variation

2.19342

Unit

Perihelion distance

Value

1.046497

1-sigma variation

Unit

Aphelion distance

Value

1.472687

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.445158

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.060521

1-sigma variation

Unit

MOID

Value

0.059481

1-sigma variation

Unit

Orbit Period

Value

516.3488

1-sigma variation

Unit

U parameter

Value

8.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.55176E-6	2.09962E-6	1.29576E-4	4.63876E-6	1.12859E-4	-4.13369E-3
e	2.09962E-6	1.24171E-6	7.65387E-5	2.74014E-6	6.62961E-5	-2.44334E-3
i	1.29576E-4	7.65387E-5	4.73423E-3	1.69473E-4	4.16568E-3	-1.50838E-1
Ω	4.63876E-6	2.74014E-6	1.69473E-4	6.06677E-6	1.49063E-4	-5.39990E-3
ω	1.12859E-4	6.62961E-5	4.16568E-3	1.49063E-4	3.92738E-3	-1.31579E-1
M	-4.13369E-3	-2.44334E-3	-1.50838E-1	-5.39990E-3	-1.31579E-1	4.81111E0

Date of computation: 2026-03-17 23:26 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

25.425

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

22 - 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

1275

Unit

Source

[1]

Normalized RMS of residuals

Value

0.746271

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-02.389208

Unit

Source

[2]

Last Observation

Value

2022-10-04.302698

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

20 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2022TT 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	1964-10-05 18:23	> 1 w	0.1424642	0.0586914	0.7268736
EARTH	1981-10-01 10:51	> 1 w	0.0728356	0.0600479	0.2695972
EARTH	2005-10-07 16:00	> 1 d	0.1918256	0.0569911	0.2228994
EARTH	2022-10-02 10:09	1.7	0.0624886	0.0619290	0.0001865
EARTH	2046-10-08 02:27	> 1 w	0.1926832	0.0562751	0.3060303
EARTH	2063-10-02 07:19	> 1 w	0.0697428	0.0596227	0.2467488
EARTH	2087-10-06 15:27	> 1 w	0.1336096	0.0580717	0.9003741
EARTH	2104-09-30 18:34	> 1 w	0.1246429	0.0585803	0.9601490

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
20.38575805	269.03010631	0.05980583	MINIMUM
233.29941327	107.32637349	0.41807643	MINIMUM
292.85222557	166.06564055	0.48470153	SADDLE
129.61770517	22.25557895	0.62128609	SADDLE
340.73737658	44.54492093	2.02123085	SADDLE
184.79231272	249.09011937	2.47167543	MAXIMUM

Download:

MOID Plots

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