Asteroids

2022WF1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.783

Aphelion (Q)

1.896

Eccentricity (e)

0.415

Inclination (i)

3.0

deg

Orbit period (P)

566.3

Earth MOID

0.00218

U parameter

6.8

Next Earth close approach

Date

2033-06-03

Nominal distance (from Earth center)

0.03966

5932970

Maximum Brightness

20.2

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-11-17

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

1.339546

1-sigma variation

0.000166

Unit

Eccentricity (e)

Value

0.415184

1-sigma variation

0.000093

Unit

Inclination (i)

Value

3.0281

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

228.2302

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

104.2821

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

15.70640

1-sigma variation

0.14035

Unit

Perihelion distance

Value

0.783388

1-sigma variation

Unit

Aphelion distance

Value

1.895703

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.223594

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.015702

1-sigma variation

Unit

MOID

Value

0.002177

1-sigma variation

Unit

Orbit Period

Value

566.2845

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.74079E-8	1.54718E-8	9.37326E-8	2.08931E-8	2.65250E-8	-2.32356E-5
e	1.54718E-8	8.73570E-9	5.29293E-8	1.18132E-8	1.46153E-8	-1.31164E-5
i	9.37326E-8	5.29293E-8	3.21112E-7	7.27976E-8	8.62554E-8	-7.94632E-5
Ω	2.08931E-8	1.18132E-8	7.27976E-8	2.01506E-8	1.26944E-8	-1.77121E-5
ω	2.65250E-8	1.46153E-8	8.62554E-8	1.26944E-8	9.74572E-8	-2.24958E-5
M	-2.32356E-5	-1.31164E-5	-7.94632E-5	-1.77121E-5	-2.24958E-5	1.96984E-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

24.366

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

40 - 80*

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

1008

Unit

Source

[1]

Normalized RMS of residuals

Value

0.642494

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-11-14.165116

Unit

Source

[2]

Last Observation

Value

2022-12-15.27479

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

57 (0)

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 2022WF1 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	1954-07-04 06:09	> 1 d	0.1670800	0.1604779	0.0022008
EARTH	1957-11-05 04:03	> 1 d	0.0339909	0.0029985	0.0170697
EARTH	1974-11-12 03:21	34.2	0.0564169	0.0536967	0.0009068
EARTH	1985-05-28 10:27	944.0	0.1269649	0.0905492	0.0122213
EARTH	2002-06-10 23:30	> 1 d	0.0647601	0.0233208	0.0197710
EARTH	2005-10-15 15:03	> 1 d	0.1500355	0.1055185	0.0148500
EARTH	2022-11-11 20:41	< 1 min	0.0458628	0.0458340	0.0000096
EARTH	2033-06-03 14:03	1183.3	0.0396595	0.0242811	0.0097491
EARTH	2050-07-06 11:29	> 1 d	0.1708171	0.1517126	0.0063723
EARTH	2053-11-05 12:17	1204.0	0.0395621	0.0134148	0.0087217
EARTH	2070-11-09 03:07	> 1 d	0.0019861	0.0012441	0.0253210
EARTH	2073-11-16 20:55	> 1 mo	0.1302007	0.0001399	1.8569309
EARTH	2117-05-30 15:42	> 1 mo	0.0779862	0.0248237	30.4247220
EARTH	2120-06-08 01:09	> 1 mo	0.0540440	0.0251168	22.8180278
EARTH	2123-07-05 05:30	> 1 mo	0.1740929	0.0168446	10.0899954

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
51.20075601	304.45723756	0.00218336	MINIMUM
305.42507761	152.32540255	0.02426847	MINIMUM
357.73454870	227.66206957	0.23184474	SADDLE
179.10289746	49.34809267	0.90906661	SADDLE
358.03279420	48.11341088	1.77200716	SADDLE
179.19726487	229.40056055	2.90528054	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2022WF1

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2110-11-10.627	92034.627	0.831	1.20 ± 0.002	1.73E5	3.37E-6	4.42E0	-5.36
2110-11-10.640	92034.640	-0.018	1.13 ± 0.004	1.05E6	5.95E-7	4.44E0	-6.11
2113-11-10.289	93130.289	0.789	0.11 ± 0.000	1.21E7	6.59E-8	4.42E0	-7.09
2113-11-10.450	93130.450	1.012	0.99 ± 0.010	2.30E7	1.98E-8	4.40E0	-7.61
2113-11-10.541	93130.541	0.857	0.33 ± 0.002	2.98E6	2.54E-7	4.41E0	-6.50
2118-11-10.805	94956.805	0.859	1.13 ± 0.000	1.11E8	3.91E-9	4.42E0	-8.34
2120-11-10.100	95687.100	1.599	1.33 ± 0.003	7.06E6	1.03E-8	4.42E0	-7.94
2122-11-10.775	96417.775	1.071	0.90 ± 0.002	1.44E6	4.15E-7	4.43E0	-6.34


Based on 57 optical observations (of which 0 are rejected as outliers) from 2022/11/14.165 to 2022/12/15.275.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.37 and 1.37 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250805 130500.123 UTC.

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