Asteroids

2022WN3 help

Last update: 2024-04-25 12:45 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.623

Aphelion (Q)

2.876

Eccentricity (e)

0.644

Inclination (i)

6.1

deg

Orbit period (P)

845.2

Earth MOID

0.00354

U parameter

7.4

Next Earth close approach

Date

2050-05-21

Nominal distance (from Earth center)

0.03338

4992939

Maximum Brightness

21.8

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 28*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-11-21

Observatory

Catalina Sky Survey

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

1.749475

1-sigma variation

0.000917

Unit

Eccentricity (e)

Value

0.643716

1-sigma variation

0.000233

Unit

Inclination (i)

Value

6.1012

1-sigma variation

0.0022

Unit

Long. of Ascending Node (Ω)

Value

59.4975

1-sigma variation

9.964E-6

Unit

Arg. of Perihelion (ω)

Value

271.3606

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

231.87038

1-sigma variation

0.18559

Unit

Perihelion distance

Value

0.623310

1-sigma variation

Unit

Aphelion distance

Value

2.875641

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.021752

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.028777

1-sigma variation

Unit

MOID

Value

0.003537

1-sigma variation

Unit

Orbit Period

Value

845.2012

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.40463E-7	2.13255E-7	1.97842E-6	-7.48110E-9	-2.81354E-8	-1.70140E-4
e	2.13255E-7	5.41107E-8	5.01985E-7	-1.89976E-9	-7.16683E-9	-4.31706E-5
i	1.97842E-6	5.01985E-7	4.65878E-6	-1.74306E-8	-6.47425E-8	-4.00503E-4
Ω	-7.48110E-9	-1.89976E-9	-1.74306E-8	9.92746E-11	4.47076E-10	1.51447E-6
ω	-2.81354E-8	-7.16683E-9	-6.47425E-8	4.47076E-10	5.58928E-9	5.69587E-6
M	-1.70140E-4	-4.31706E-5	-4.00503E-4	1.51447E-6	5.69587E-6	3.44424E-2

Date of computation: 2024-04-23 10:08 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

26.625

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

13 - 28*

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

515

Unit

Source

[1]

Normalized RMS of residuals

Value

0.551033

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-11-21.252864

Unit

Source

[2]

Last Observation

Value

2022-11-27.19592

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

61 (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 2022WN3 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	1969-11-23 07:37	> 1 w	0.0732785	0.0058390	0.3830240
EARTH	1992-11-22 18:42	> 1 d	0.0618819	0.0039642	0.0861805
VENUS	1999-09-25 06:05	> 1 w	0.0229327	0.0121107	0.0848605
VENUS	2008-12-16 12:23	> 1 d	0.0190927	0.0118235	0.0226133
EARTH	2013-05-21 07:42	> 1 d	0.0255044	0.0034507	0.0397553
EARTH	2022-11-20 09:48	< 1 min	0.0033457	0.0033421	0.0000012
VENUS	2048-02-24 06:27	> 1 w	0.0390942	0.0336567	0.0607557
EARTH	2050-05-21 12:31	> 1 w	0.0333757	0.0054215	0.1323041
EARTH	2059-11-22 07:41	> 1 d	0.0262965	0.0015237	0.0954578
EARTH	2087-05-29 23:54	> 1 w	0.0896532	0.0070639	0.2374241
VENUS	2096-09-29 14:43	> 1 w	0.0498801	0.0348168	0.1264256
EARTH	2103-11-20 13:02	> 1 d	0.0317655	0.0021142	0.0424029
EARTH	2124-06-01 01:37	> 1 mo	0.1125385	0.0084235	0.4647481
VENUS	2124-08-08 18:45	> 1 mo	0.0382642	0.0093015	0.4503085

Download as:

2022WN3

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2082-11-21.079	81819.079	0.142	0.43 ± 0.001	1.72E5	4.92E-6	1.42E-6	-5.98
2087-11-20.918	83644.918	0.204	1.00 ± 0.000	1.39E7	6.37E-8	1.84E-8	-7.91
2087-11-21.054	83645.054	3.951	0.23 ± 0.002	8.39E4	4.37E-9	1.28E-9	-9.07
2087-11-21.219	83645.219	4.312	0.98 ± 0.001	6.44E4	1.03E-9	3.02E-10	-9.69
2089-11-20.503	84375.503	1.149	0.51 ± 0.002	1.56E7	2.79E-8	8.11E-9	-8.28
2089-11-20.507	84375.507	1.149	1.06 ± 0.000	1.20E7	3.73E-8	1.08E-8	-8.15
2089-11-20.667	84375.667	-3.326	0.87 ± 0.001	1.32E5	2.44E-8	6.98E-9	-8.34
2094-11-20.649	86201.649	0.204	0.22 ± 0.002	1.63E7	5.43E-8	1.57E-8	-8.02
2096-11-20.314	86932.314	1.144	0.54 ± 0.001	6.68E6	6.36E-8	1.85E-8	-7.96
2096-11-20.420	86932.420	-3.148	0.72 ± 0.001	3.25E5	1.55E-8	4.46E-9	-8.58


Based on 61 optical observations (of which 1 are rejected as outliers) from 2022/11/21.253 to 2022/11/27.196.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.15 and 1.15 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20240110 090430.618 UTC.

Download this part as:

Download Impactor Table as: