Asteroids

2022WT2 help

Last update: 2024-04-19 22:30 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.672

Aphelion (Q)

1.407

Eccentricity (e)

0.354

Inclination (i)

34.9

deg

Orbit period (P)

387.1

Earth MOID

0.00170

U parameter

8.9

Next Earth close approach

Date

2036-05-01

Nominal distance (from Earth center)

0.16012

23953734

Maximum Brightness

25.5

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

23.1

mag

Diameter

60 - 140*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-11-18

Observatory

Observatorio Campo dos Amarais

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.039403

1-sigma variation

0.002409

Unit

Eccentricity (e)

Value

0.353828

1-sigma variation

0.001390

Unit

Inclination (i)

Value

34.9162

1-sigma variation

0.1383

Unit

Long. of Ascending Node (Ω)

Value

232.0120

1-sigma variation

0.0057

Unit

Arg. of Perihelion (ω)

Value

77.2275

1-sigma variation

0.2352

Unit

Mean Anomaly (M)

Value

167.49123

1-sigma variation

2.01215

Unit

Perihelion distance

Value

0.671633

1-sigma variation

Unit

Aphelion distance

Value

1.407173

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.167185

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.002046

1-sigma variation

Unit

MOID

Value

0.001702

1-sigma variation

Unit

Orbit Period

Value

387.0565

1-sigma variation

Unit

U parameter

Value

8.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.80145E-6	3.34768E-6	3.33053E-4	-1.36626E-5	5.66476E-4	-4.84650E-3
e	3.34768E-6	1.93177E-6	1.92188E-4	-7.88364E-6	3.26878E-4	-2.79663E-3
i	3.33053E-4	1.92188E-4	1.91204E-2	-7.84317E-4	3.25203E-2	-2.78231E-1
Ω	-1.36626E-5	-7.88364E-6	-7.84317E-4	3.21800E-5	-1.33409E-3	1.14137E-2
ω	5.66476E-4	3.26878E-4	3.25203E-2	-1.33409E-3	5.53131E-2	-4.73231E-1
M	-4.84650E-3	-2.79663E-3	-2.78231E-1	1.14137E-2	-4.73231E-1	4.04874E0

Date of computation: 2024-02-21 14:29 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

23.103

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

60 - 140*

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 ODIM	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

513

Unit

Source

[1]

Normalized RMS of residuals

Value

0.628477

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-11-18.06277

Unit

Source

[2]

Last Observation

Value

2022-11-24.46069

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

39 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2022WT2 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1964-05-10 00:55	> 1 w	0.1611564	0.1508239	0.0435821
EARTH	1967-11-10 17:59	> 1 d	0.1397075	0.0019288	0.1530917
EARTH	1982-05-05 08:27	> 1 w	0.1483731	0.1476519	0.0260714
EARTH	1986-11-19 03:04	> 1 w	0.1253188	0.0029713	0.3014178
EARTH	2000-04-30 08:44	> 1 w	0.1706607	0.1497477	0.1670573
EARTH	2004-11-16 00:25	> 1 w	0.0510005	0.0024404	0.3648787
EARTH	2018-04-28 14:01	> 1 d	0.1924683	0.1541327	0.0540982
EARTH	2022-11-15 15:39	< 1 min	0.0238623	0.0235731	0.0000964
EARTH	2036-05-01 19:12	> 1 w	0.1601208	0.1472981	0.1168991
EARTH	2040-11-18 08:09	> 1 w	0.1123253	0.0032345	0.3764514
EARTH	2054-05-08 15:21	> 1 mo	0.1495577	0.1464546	0.1201313
EARTH	2057-11-10 11:18	> 1 w	0.1411845	0.0025940	0.6249339
EARTH	2072-05-14 23:46	> 1 mo	0.1951434	0.1535425	0.4482422
EARTH	2075-11-13 22:35	> 1 w	0.0410197	0.0028508	0.7065893
EARTH	2093-11-14 17:49	> 1 w	0.0040331	0.0029202	0.3219312
EARTH	2112-11-12 02:01	> 1 mo	0.1167330	0.0030511	7.3165565

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