Asteroids

2022TT help

Last update: 2025-04-09 07:59 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Amor

Perihelion (q)

1.047

Aphelion (Q)

1.473

Eccentricity (e)

0.169

Inclination (i)

24.7

deg

Orbit period (P)

516.4

Earth MOID

0.06042

U parameter

8.4

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

Object is not in priority 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.259625

1-sigma variation

0.001887

Unit

Eccentricity (e)

Value

0.169119

1-sigma variation

0.001114

Unit

Inclination (i)

Value

24.7183

1-sigma variation

0.0688

Unit

Long. of Ascending Node (Ω)

Value

190.7065

1-sigma variation

0.0026

Unit

Arg. of Perihelion (ω)

Value

154.4595

1-sigma variation

0.0625

Unit

Mean Anomaly (M)

Value

316.67652

1-sigma variation

1.56662

Unit

Perihelion distance

Value

1.046598

1-sigma variation

Unit

Aphelion distance

Value

1.472652

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.444659

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.061466

1-sigma variation

Unit

MOID

Value

0.060416

1-sigma variation

Unit

Orbit Period

Value

516.3692

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.56175E-6	2.10281E-6	1.29698E-4	4.85974E-6	1.12686E-4	-2.95653E-3
e	2.10281E-6	1.24199E-6	7.65123E-5	2.86711E-6	6.61078E-5	-1.74521E-3
i	1.29698E-4	7.65123E-5	4.72988E-3	1.77199E-4	4.15177E-3	-1.07692E-1
Ω	4.85974E-6	2.86711E-6	1.77199E-4	6.63872E-6	1.55379E-4	-4.03505E-3
ω	1.12686E-4	6.61078E-5	4.15177E-3	1.55379E-4	3.90696E-3	-9.37680E-2
M	-2.95653E-3	-1.74521E-3	-1.07692E-1	-4.03505E-3	-9.37680E-2	2.45430E0

Date of computation: 2025-04-09 07:59 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

25.429

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

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

[-]

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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

1003

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

Close Approaches for 2022TT from 1950 to 2125

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	0.7268734
EARTH	1981-10-01 10:51	> 1 w	0.0728356	0.0600479	0.2695971
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	0.3060302
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	0.9003739
EARTH	2104-09-30 18:34	> 1 w	0.1246429	0.0585803	0.9601488

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
20.36143259	268.44706693	0.06074451	MINIMUM
233.41949271	106.89385668	0.41934865	MINIMUM
292.72531537	165.37132156	0.48487969	SADDLE
129.69355692	21.79994283	0.62172691	SADDLE
340.84574908	44.11485619	2.02010910	SADDLE
184.84098289	248.60023653	2.47054723	MAXIMUM

Download:

MOID Plots

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