Asteroids

2022SY1

Last update: 2023-06-01 00:01 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.912

Aphelion (Q)

2.218

Eccentricity (e)

0.417

Inclination (i)

20.6

deg

Orbit period (P)

715.1

Earth MOID

0.02433

U parameter

7.5

Next Earth close approach

Date

2067-09-23

Nominal distance (from Earth center)

0.14646

21909849

Maximum Brightness

21.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

22.5

mag

Diameter

110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-09-18

Observatory

Catalina Sky Survey

Orbit Visualiser

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External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.565009

1-sigma variation

0.000835

Unit

Eccentricity (e)

Value

0.417182

1-sigma variation

0.000324

Unit

Inclination (i)

Value

20.6168

1-sigma variation

0.0099

Unit

Ascending Node (Ω)

Value

354.2456

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

306.1422

1-sigma variation

0.0076

Unit

Mean Anomaly (M)

Value

101.98579

1-sigma variation

0.08739

Unit

Perihelion

Value

0.912115

1-sigma variation

Unit

Aphelion

Value

2.217902

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.031229

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.720183

1-sigma variation

Unit

MOID

Value

0.024331

1-sigma variation

Unit

Orbit Period

Value

715.1112

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.97236E-7	2.70318E-7	8.26514E-6	-7.10366E-7	6.36335E-6	-7.29696E-5
e	2.70318E-7	1.04802E-7	3.20441E-6	-2.75408E-7	2.46696E-6	-2.82902E-5
i	8.26514E-6	3.20441E-6	9.79780E-5	-8.42076E-6	7.54257E-5	-8.64991E-4
Ω	-7.10366E-7	-2.75408E-7	-8.42076E-6	7.23753E-7	-6.48333E-6	7.43438E-5
ω	6.36335E-6	2.46696E-6	7.54257E-5	-6.48333E-6	5.81062E-5	-6.65969E-4
M	-7.29696E-5	-2.82902E-5	-8.64991E-4	7.43438E-5	-6.65969E-4	7.63668E-3

Date of computation: 2023-05-08 23:52 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

22.457

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

110*

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 ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

239

Unit

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.522667

Unit

arcsec

Source

[1]

First Observation

Value

2022-09-18.155492

Unit

Source

[2]

Last Observation

Value

2022-10-05.112198

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

149 (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

[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 2022SY1 from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1979-09-10 19:03	> 1 w	0.0721276	0.0231960	0.2066819
EARTH	2022-09-16 20:39	< 1 s	0.0387286	0.0386653	0.0000211
EARTH	2067-09-23 16:03	> 1 w	0.1464583	0.0169138	0.2103850
EARTH	2069-09-06 12:42	> 1 w	0.1188217	0.0143455	0.2054328
EARTH	2114-09-14 03:28	> 1 d	0.0386684	0.0225890	0.0330367

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