Asteroids

2022WY9 help

Last update: 2025-04-09 07:59 UTC

Orbital Properties

Epoch

60800.0

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

0.00219

U parameter

9.0

Next Earth close approach

Date

2025-11-21

Nominal distance (from Earth center)

0.06262

9367286

Maximum Brightness

24.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

8 - 17*

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.076275

1-sigma variation

0.026241

Unit

Eccentricity (e)

Value

0.825812

1-sigma variation

0.002830

Unit

Inclination (i)

Value

1.1692

1-sigma variation

0.0052

Unit

Long. of Ascending Node (Ω)

Value

56.3663

1-sigma variation

0.0048

Unit

Arg. of Perihelion (ω)

Value

252.4076

1-sigma variation

0.0142

Unit

Mean Anomaly (M)

Value

308.08445

1-sigma variation

5.88089

Unit

Perihelion distance

Value

0.361663

1-sigma variation

Unit

Aphelion distance

Value

3.790886

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.111085

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.481816

1-sigma variation

Unit

MOID

Value

0.002185

1-sigma variation

Unit

Orbit Period

Value

1092.7621

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.88592E-4	7.42686E-5	1.36599E-4	-3.30510E-5	-3.59618E-4	-1.54321E-1
e	7.42686E-5	8.01030E-6	1.47322E-5	-3.57310E-6	-3.87809E-5	-1.66444E-2
i	1.36599E-4	1.47322E-5	2.72953E-5	-4.50329E-6	-7.30455E-5	-3.06133E-2
Ω	-3.30510E-5	-3.57310E-6	-4.50329E-6	2.35139E-5	-7.21649E-7	7.40644E-3
ω	-3.59618E-4	-3.87809E-5	-7.30455E-5	-7.21649E-7	2.02804E-4	8.05947E-2
M	-1.54321E-1	-1.66444E-2	-3.06133E-2	7.40644E-3	8.05947E-2	3.45849E1

Date of computation: 2025-04-09 07:59 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

27.656

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 - 17*

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

947

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	0.8558804
EARTH	2016-11-16 08:06	> 1 mo	0.1731328	0.0023448	0.6860728
EARTH	2019-11-21 03:17	> 1 w	0.0904224	0.0022234	0.3604517
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	0.3552229
EARTH	2028-11-21 12:14	> 1 w	0.0555174	0.0021046	0.6455639
EARTH	2031-11-20 18:56	> 1 mo	0.0894685	0.0021877	0.7961767
VENUS	2034-11-01 19:31	> 1 mo	0.0269886	0.0199031	0.6910036
EARTH	2034-11-19 02:46	> 1 mo	0.1202324	0.0024914	0.8755023
EARTH	2037-11-17 03:49	> 1 mo	0.1559696	0.0026372	0.9235810
EARTH	2040-11-17 13:34	> 1 mo	0.1312969	0.0023999	0.9213698
EARTH	2043-11-18 12:17	> 1 mo	0.1297191	0.0024622	0.8752163
MERCURY	2046-09-26 00:48	> 1 mo	0.0495665	0.0180172	0.6639367
EARTH	2046-11-18 14:57	> 1 mo	0.1222122	0.0024621	0.7857351
EARTH	2049-11-17 15:11	> 1 mo	0.1386229	0.0026403	0.6497884
EARTH	2052-11-18 13:12	> 1 w	0.1044348	0.0024591	0.4790836
EARTH	2055-11-19 23:56	> 1 w	0.0922037	0.0027085	0.2801484
EARTH	2058-11-20 09:49	> 1 d	0.0775251	0.0047460	0.0562289
EARTH	2061-11-19 15:55	> 1 w	0.0896726	0.0010638	0.1766231
EARTH	2064-11-20 02:50	> 1 w	0.0663047	0.0016054	0.3922146
EARTH	2067-11-21 07:17	> 1 w	0.0596474	0.0017658	0.5404432
EARTH	2070-11-21 03:12	> 1 w	0.0571328	0.0017636	0.5704222
EARTH	2073-11-19 11:15	> 1 w	0.0896746	0.0016775	0.4726606
EARTH	2076-11-18 14:20	> 1 w	0.0953003	0.0013503	0.3204660
EARTH	2079-11-18 14:49	> 1 d	0.1135895	0.0004134	0.1445420
EARTH	2082-11-17 13:49	> 1 d	0.1290729	0.0092218	0.0416545
EARTH	2085-11-15 12:09	> 1 w	0.1695176	0.0038798	0.2230258
EARTH	2088-11-13 20:39	> 1 w	0.1902464	0.0032483	0.3944286
MERCURY	2100-09-26 21:06	> 1 mo	0.0494205	0.0390986	0.6234710

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
50.53696021	321.13154440	0.00217620	MINIMUM
308.88059099	91.66445342	0.01359837	MINIMUM
359.20296899	205.50977474	0.65335561	SADDLE
359.22240730	25.53825201	1.34597841	SADDLE
179.92373405	26.77394140	2.80607663	SADDLE
179.91870081	206.76888666	4.80494554	MAXIMUM

Download:

MOID Plots

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