Asteroids

2022WY9 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.362

Aphelion (Q)

3.791

Eccentricity (e)

0.826

Inclination (i)

1.2

deg

Orbit period (P)

1092.8

Earth MOID

0.00217

U parameter

9.0

Next Earth close approach

Date

2025-11-21

Nominal distance (from Earth center)

0.06262

9367285

Maximum Brightness

24.3

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

2022-11-27

Observatory

Kitt Peak-Bok

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

2.076374

1-sigma variation

0.028176

Unit

Eccentricity (e)

Value

0.825847

1-sigma variation

0.003007

Unit

Inclination (i)

Value

1.1692

1-sigma variation

0.0051

Unit

Long. of Ascending Node (Ω)

Value

56.3670

1-sigma variation

0.0051

Unit

Arg. of Perihelion (ω)

Value

252.4021

1-sigma variation

0.0075

Unit

Mean Anomaly (M)

Value

13.97224

1-sigma variation

7.15030

Unit

Perihelion distance

Value

0.361606

1-sigma variation

Unit

Aphelion distance

Value

3.791141

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.110791

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.483783

1-sigma variation

Unit

MOID

Value

0.002174

1-sigma variation

Unit

Orbit Period

Value

1092.8403

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.93871E-4	8.47225E-5	1.42147E-4	-5.41072E-5	-1.81159E-4	-2.01465E-1
e	8.47225E-5	9.04165E-6	1.51693E-5	-5.78274E-6	-1.93275E-5	-2.15005E-2
i	1.42147E-4	1.51693E-5	2.56499E-5	-7.63501E-6	-3.41440E-5	-3.60734E-2
Ω	-5.41072E-5	-5.78274E-6	-7.63501E-6	2.56091E-5	-5.62745E-6	1.37305E-2
ω	-1.81159E-4	-1.93275E-5	-3.41440E-5	-5.62745E-6	5.63246E-5	4.59743E-2
M	-2.01465E-1	-2.15005E-2	-3.60734E-2	1.37305E-2	4.59743E-2	5.11268E1

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

27.642

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

1056

Unit

Source

[1]

Normalized RMS of residuals

Value

0.779167

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-11-27.351166

Unit

Source

[2]

Last Observation

Value

2022-11-30.38855

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

13 (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 2022WY9 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
VENUS	1965-08-06 13:21	> 1 mo	0.0268883	0.0225535	0.8558442
EARTH	2016-11-16 08:06	> 1 mo	0.1731328	0.0023448	0.6860437
EARTH	2019-11-21 03:17	> 1 w	0.0904224	0.0022234	0.3604364
EARTH	2022-11-24 20:52	< 1 min	0.0050593	0.0049916	0.0000226
EARTH	2025-11-21 22:20	> 1 w	0.0626164	0.0021992	0.3552078
EARTH	2028-11-21 12:14	> 1 w	0.0555174	0.0021046	0.6455365
EARTH	2031-11-20 18:56	> 1 mo	0.0894685	0.0021877	0.7961430
VENUS	2034-11-01 19:31	> 1 mo	0.0269886	0.0199031	0.6909743
EARTH	2034-11-19 02:46	> 1 mo	0.1202324	0.0024914	0.8754652
EARTH	2037-11-17 03:49	> 1 mo	0.1559696	0.0026372	0.9235418
EARTH	2040-11-17 13:34	> 1 mo	0.1312969	0.0023999	0.9213307
EARTH	2043-11-18 12:17	> 1 mo	0.1297191	0.0024622	0.8751791
MERCURY	2046-09-26 00:48	> 1 mo	0.0495665	0.0180172	0.6639084
EARTH	2046-11-18 14:57	> 1 mo	0.1222122	0.0024621	0.7857017
EARTH	2049-11-17 15:11	> 1 mo	0.1386229	0.0026403	0.6497607
EARTH	2052-11-18 13:12	> 1 w	0.1044348	0.0024591	0.4790631
EARTH	2055-11-19 23:56	> 1 w	0.0922037	0.0027085	0.2801363
EARTH	2058-11-20 09:49	> 1 d	0.0775251	0.0047460	0.0562264
EARTH	2061-11-19 15:55	> 1 w	0.0896726	0.0010638	0.1766157
EARTH	2064-11-20 02:50	> 1 w	0.0663047	0.0016054	0.3921980
EARTH	2067-11-21 07:17	> 1 w	0.0596474	0.0017658	0.5404203
EARTH	2070-11-21 03:12	> 1 w	0.0571328	0.0017636	0.5703980
EARTH	2073-11-19 11:15	> 1 w	0.0896746	0.0016775	0.4726404
EARTH	2076-11-18 14:20	> 1 w	0.0953003	0.0013503	0.3204523
EARTH	2079-11-18 14:49	> 1 d	0.1135895	0.0004134	0.1445357
EARTH	2082-11-17 13:49	> 1 d	0.1290729	0.0092237	0.0416529
EARTH	2085-11-15 12:09	> 1 w	0.1695176	0.0038798	0.2230165
EARTH	2088-11-13 20:39	> 1 w	0.1902464	0.0032483	0.3944120
MERCURY	2100-09-26 21:06	> 1 mo	0.0494205	0.0390986	0.6234445

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
50.57072807	320.77523413	0.00218512	MINIMUM
308.87771335	91.31751034	0.01362417	MINIMUM
359.24420438	205.20380505	0.65308981	SADDLE
359.26166458	25.22877710	1.34686785	SADDLE
179.92778469	26.40211823	2.80581160	SADDLE
179.92295113	206.39743091	4.80530370	MAXIMUM

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MOID Plots

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