Asteroids

2022SW1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.929

Aphelion (Q)

2.969

Eccentricity (e)

0.523

Inclination (i)

4.9

deg

Orbit period (P)

993.9

Earth MOID

0.00135

U parameter

7.1

Next Earth close approach

Date

2041-12-03

Nominal distance (from Earth center)

0.08172

12224396

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.6

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-18

Observatory

Catalina Sky Survey

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

1.949059

1-sigma variation

0.000663

Unit

Eccentricity (e)

Value

0.523480

1-sigma variation

0.000168

Unit

Inclination (i)

Value

4.9060

1-sigma variation

0.0012

Unit

Long. of Ascending Node (Ω)

Value

357.0115

1-sigma variation

2.923E-5

Unit

Arg. of Perihelion (ω)

Value

39.6631

1-sigma variation

0.0007

Unit

Mean Anomaly (M)

Value

48.12200

1-sigma variation

0.20775

Unit

Perihelion distance

Value

0.928765

1-sigma variation

Unit

Aphelion distance

Value

2.969352

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.003702

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.373657

1-sigma variation

Unit

MOID

Value

0.001345

1-sigma variation

Unit

Orbit Period

Value

993.8842

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.39436E-7	1.11274E-7	7.74610E-7	1.90931E-8	-4.03705E-7	-1.37716E-4
e	1.11274E-7	2.81773E-8	1.96158E-7	4.83380E-9	-1.02052E-7	-3.48725E-5
i	7.74610E-7	1.96158E-7	1.36617E-6	3.35554E-8	-7.06284E-7	-2.42758E-4
Ω	1.90931E-8	4.83380E-9	3.35554E-8	8.54524E-10	-1.80106E-8	-5.98352E-6
ω	-4.03705E-7	-1.02052E-7	-7.06284E-7	-1.80106E-8	4.52791E-7	1.26499E-4
M	-1.37716E-4	-3.48725E-5	-2.42758E-4	-5.98352E-6	1.26499E-4	4.31591E-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

27.621

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

8 - 18*

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

1093

Unit

Source

[1]

Normalized RMS of residuals

Value

0.483362

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-18.219955

Unit

Source

[2]

Last Observation

Value

2022-09-20.106689

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

42 (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 2022SW1 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	1972-11-23 05:35	> 1 w	0.0789876	0.0789271	0.0029793
EARTH	1997-10-24 01:38	> 1 w	0.0787785	0.0599186	0.0191225
MARS	2012-01-14 22:09	> 1 d	0.0292586	0.0291926	0.0017222
EARTH	2022-09-20 08:37	< 1 s	0.0045391	0.0045352	0.0000013
EARTH	2041-12-03 15:59	> 1 w	0.0817150	0.0803062	0.0093898
EARTH	2071-09-20 17:57	> 1 mo	0.0054544	0.0025266	0.1799266
EARTH	2079-11-28 21:27	> 1 mo	0.0797903	0.0795991	0.8512644
MARS	2095-09-17 07:40	> 1 mo	0.0440270	0.0405935	21.3400035
EARTH	2122-09-08 13:35	> 1 mo	0.1232825	0.0006401	145.6298056

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
337.81831959	256.71800685	0.00164323	MINIMUM
16.44730848	323.91440771	0.07973180	MINIMUM
4.46999764	303.15988100	0.08480895	SADDLE
358.65232392	112.87028300	1.93454472	SADDLE
179.70164411	113.88520045	1.96502159	SADDLE
179.45003979	293.74807052	3.96140063	MAXIMUM

Download:

MOID Plots

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