Asteroids

2022SY1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.912

Aphelion (Q)

2.218

Eccentricity (e)

0.417

Inclination (i)

20.6

deg

Orbit period (P)

715.0

Earth MOID

0.02431

U parameter

7.6

Next Earth close approach

Date

2067-09-24

Nominal distance (from Earth center)

0.16016

23960171

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.5

mag

Diameter

80 - 190*

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

1.564912

1-sigma variation

0.000872

Unit

Eccentricity (e)

Value

0.417322

1-sigma variation

0.000337

Unit

Inclination (i)

Value

20.6211

1-sigma variation

0.0105

Unit

Long. of Ascending Node (Ω)

Value

354.1952

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

306.1851

1-sigma variation

0.0076

Unit

Mean Anomaly (M)

Value

245.34758

1-sigma variation

0.51393

Unit

Perihelion distance

Value

0.911840

1-sigma variation

Unit

Aphelion distance

Value

2.217984

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.031221

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.719413

1-sigma variation

Unit

MOID

Value

0.024306

1-sigma variation

Unit

Orbit Period

Value

715.0447

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.61010E-7	2.93970E-7	9.15125E-6	-9.05393E-7	6.63957E-6	-4.48333E-4
e	2.93970E-7	1.13558E-7	3.53505E-6	-3.49744E-7	2.56473E-6	-1.73186E-4
i	9.15125E-6	3.53505E-6	1.10046E-4	-1.08875E-5	7.98374E-5	-5.39126E-3
Ω	-9.05393E-7	-3.49744E-7	-1.08875E-5	1.07718E-6	-7.89929E-6	5.33393E-4
ω	6.63957E-6	2.56473E-6	7.98374E-5	-7.89929E-6	5.79486E-5	-3.91156E-3
M	-4.48333E-4	-1.73186E-4	-5.39126E-3	5.33393E-4	-3.91156E-3	2.64125E-1

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

22.496

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

80 - 190*

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

1077

Unit

Source

[1]

Normalized RMS of residuals

Value

0.5197

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-09-15.266255

Unit

Source

[2]

Last Observation

Value

2022-10-05.112198

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

151 (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 2022SY1 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	1977-09-25 05:12	> 1 w	0.1904172	0.0158417	0.2252024
EARTH	1979-09-09 17:46	> 1 w	0.0857474	0.0217381	0.2217150
EARTH	2022-09-16 20:39	< 1 s	0.0387300	0.0386634	0.0000222
EARTH	2067-09-24 09:45	> 1 w	0.1601639	0.0157550	0.2210214
EARTH	2069-09-07 15:49	> 1 w	0.1054310	0.0168400	0.2159592
EARTH	2114-09-13 22:04	> 1 d	0.0413922	0.0224739	0.0561208

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
34.24908465	250.47959672	0.02552839	MINIMUM
310.62554112	124.35841203	0.33865170	MINIMUM
335.35512287	160.06195544	0.35809092	SADDLE
174.10113742	15.96627259	1.30800290	SADDLE
355.75896340	13.42455657	1.87522912	SADDLE
182.14011771	201.19036843	3.20487495	MAXIMUM

Download:

MOID Plots

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