Asteroids

2022YO1 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.803

Aphelion (Q)

2.402

Eccentricity (e)

0.499

Inclination (i)

13.6

deg

Orbit period (P)

740.9

Earth MOID

0.00017

U parameter

8.7

Next Earth close approach

Date

2027-01-09

Nominal distance (from Earth center)

0.17526

26218533

Maximum Brightness

30.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

29.9

mag

Diameter

2.7 - 6*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-12-17

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

1.602475

1-sigma variation

0.005239

Unit

Eccentricity (e)

Value

0.498886

1-sigma variation

0.001150

Unit

Inclination (i)

Value

13.5780

1-sigma variation

0.0163

Unit

Long. of Ascending Node (Ω)

Value

85.4765

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

63.3877

1-sigma variation

0.2072

Unit

Mean Anomaly (M)

Value

143.24688

1-sigma variation

0.59651

Unit

Perihelion distance

Value

0.803023

1-sigma variation

Unit

Aphelion distance

Value

2.401927

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.000308

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.532345

1-sigma variation

Unit

MOID

Value

0.000168

1-sigma variation

Unit

Orbit Period

Value

740.9439

1-sigma variation

Unit

U parameter

Value

8.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.74496E-5	6.02628E-6	-8.53347E-5	-5.42551E-6	-1.08567E-3	-3.12527E-3
e	6.02628E-6	1.32301E-6	-1.87342E-5	-1.19112E-6	-2.38346E-4	-6.86121E-4
i	-8.53347E-5	-1.87342E-5	2.65299E-4	1.68664E-5	3.37514E-3	9.71576E-3
Ω	-5.42551E-6	-1.19112E-6	1.68664E-5	1.07238E-6	2.14585E-4	6.17721E-4
ω	-1.08567E-3	-2.38346E-4	3.37514E-3	2.14585E-4	4.29397E-2	1.23608E-1
M	-3.12527E-3	-6.86121E-4	9.71576E-3	6.17721E-4	1.23608E-1	3.55827E-1

Date of computation: 2025-11-24 16:53 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

29.933

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

2.7 - 6*

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

0.4

Unit

Source

[1]

Unobserved

Value

1082

Unit

Source

[1]

Normalized RMS of residuals

Value

0.721805

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-12-17.297002

Unit

Source

[2]

Last Observation

Value

2022-12-17.714265

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

27 (2)

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 2022YO1 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	1958-12-11 13:12	> 1 d	0.0678320	0.0100225	0.0322714
EARTH	1984-01-27 06:26	> 1 d	0.1998409	0.1634577	0.0130239
EARTH	2022-12-17 18:39	< 1 s	0.0001847	0.0001847	0.0000000
EARTH	2024-12-17 14:14	168.9	0.0042761	0.0000428	0.0015436
EARTH	2027-01-09 04:20	> 1 w	0.1752601	0.0464690	0.0500667
EARTH	2033-05-06 13:21	> 1 w	0.1740923	0.1713694	0.0429057
EARTH	2091-12-09 09:10	> 1 mo	0.1381613	0.0027698	1.0709778
EARTH	2093-12-21 17:39	> 1 mo	0.0488995	0.0018496	0.9728189
EARTH	2100-05-02 18:56	> 1 w	0.1786448	0.1690514	0.0613324

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
320.66428321	343.45905866	0.00016758	MINIMUM
47.56591001	121.29581916	0.17200735	MINIMUM
9.17018060	61.08885664	0.27470892	SADDLE
182.04272892	227.46970196	1.42956826	SADDLE
2.69793045	229.80145211	1.80356615	SADDLE
179.82511610	46.15210037	3.37482745	MAXIMUM

Download:

MOID Plots

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