Asteroids

2022TK help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.848

Aphelion (Q)

1.371

Eccentricity (e)

0.236

Inclination (i)

5.0

deg

Orbit period (P)

426.8

Earth MOID

0.00273

U parameter

7.0

Next Earth close approach

Date

2029-09-30

Nominal distance (from Earth center)

0.0789

11803245

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.109355

1-sigma variation

0.000167

Unit

Eccentricity (e)

Value

0.235636

1-sigma variation

0.000182

Unit

Inclination (i)

Value

5.0430

1-sigma variation

0.0033

Unit

Long. of Ascending Node (Ω)

Value

0.8890

1-sigma variation

0.0026

Unit

Arg. of Perihelion (ω)

Value

282.7701

1-sigma variation

0.0151

Unit

Mean Anomaly (M)

Value

304.67176

1-sigma variation

0.24334

Unit

Perihelion distance

Value

0.847950

1-sigma variation

Unit

Aphelion distance

Value

1.370759

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.007830

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.107925

1-sigma variation

Unit

MOID

Value

0.002734

1-sigma variation

Unit

Orbit Period

Value

426.7800

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.78199E-8	2.83731E-8	4.71703E-7	-2.85148E-7	1.54792E-6	-4.05865E-5
e	2.83731E-8	3.31169E-8	5.93996E-7	-1.66526E-7	8.04714E-7	-4.12732E-5
i	4.71703E-7	5.93996E-7	1.10547E-5	-1.46671E-6	5.32668E-6	-6.84917E-4
Ω	-2.85148E-7	-1.66526E-7	-1.46671E-6	6.64354E-6	-3.88995E-5	4.19574E-4
ω	1.54792E-6	8.04714E-7	5.32668E-6	-3.88995E-5	2.29470E-4	-2.28054E-3
M	-4.05865E-5	-4.12732E-5	-6.84917E-4	4.19574E-4	-2.28054E-3	5.92151E-2

Date of computation: 2025-09-10 00:30 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

26.44

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

14 - 30*

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

1121

Unit

Source

[1]

Normalized RMS of residuals

Value

0.54971

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-02.241994

Unit

Source

[2]

Last Observation

Value

2022-10-03.94906

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

30 (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 2022TK 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	1950-09-29 00:58	> 1 d	0.0588061	0.0015783	0.0281970
EARTH	1957-09-05 13:08	> 1 w	0.1129986	0.0507719	0.0211642
EARTH	1964-07-07 12:11	> 1 w	0.1883597	0.1863610	0.0006912
EARTH	1971-05-11 22:33	> 1 d	0.1427673	0.1304181	0.0041170
EARTH	1978-04-08 22:26	474.6	0.0414205	0.0328578	0.0036645
EARTH	1986-10-01 13:15	1217.5	0.0981017	0.0427737	0.0184597
EARTH	1993-09-10 10:33	> 1 d	0.1019895	0.0445835	0.0193517
EARTH	2000-07-03 01:12	> 1 w	0.1893241	0.1884452	0.0003164
EARTH	2007-04-17 11:14	> 1 d	0.0938756	0.0463356	0.0167864
EARTH	2014-04-04 18:39	644.7	0.1250391	0.0920227	0.0111272
EARTH	2022-09-26 16:20	1.7	0.0117934	0.0117631	0.0000101
EARTH	2029-09-30 12:57	750.8	0.0788998	0.0487377	0.0100602
EARTH	2036-10-05 12:15	794.8	0.1798477	0.1384752	0.0137929
EARTH	2042-04-06 01:02	896.1	0.1432806	0.0960469	0.0159683
EARTH	2049-04-10 04:57	1060.4	0.0570153	0.0341519	0.0129154
EARTH	2056-04-12 08:33	564.8	0.0345494	0.0344949	0.0000304
EARTH	2063-04-14 17:04	> 1 d	0.0437086	0.0345095	0.0127906
EARTH	2070-04-18 14:46	> 1 d	0.0855658	0.0325788	0.0438555
EARTH	2077-05-18 15:08	> 1 mo	0.1482726	0.0390200	0.0365864
EARTH	2084-06-15 18:00	> 1 mo	0.1796911	0.1396185	0.0134911
EARTH	2091-07-09 03:55	> 1 mo	0.1857171	0.1776626	0.0031619
EARTH	2098-07-31 05:16	> 1 mo	0.1711061	0.1212748	0.0179872
EARTH	2105-08-23 21:14	> 1 w	0.1383047	0.0585609	0.0291049
EARTH	2112-09-14 02:10	> 1 d	0.0923277	0.0194865	0.0252543
EARTH	2119-09-21 01:13	496.0	0.0634553	0.0550005	0.0028206

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
65.66326117	261.05103788	0.00239974	MINIMUM
291.66910594	98.83537187	0.03364318	MINIMUM
358.08607573	178.99283891	0.18638167	SADDLE
179.02949410	0.68019743	0.39976416	SADDLE
359.70694273	1.10125607	1.82999503	SADDLE
180.09364014	181.50971468	2.38487837	MAXIMUM

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MOID Plots

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