Asteroids

2022MU1 help

Last update: 2024-04-24 13:40 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.680

Aphelion (Q)

1.095

Eccentricity (e)

0.234

Inclination (i)

16.6

deg

Orbit period (P)

305.3

Earth MOID

0.02316

U parameter

6.3

Next Earth close approach

Date

2027-06-15

Nominal distance (from Earth center)

0.08612

12883069

Maximum Brightness

22.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.6

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-06-24

Observatory

JPL SynTrack Robotic Telescope, Auberry

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.887389

1-sigma variation

0.000033

Unit

Eccentricity (e)

Value

0.233546

1-sigma variation

0.000220

Unit

Inclination (i)

Value

16.6225

1-sigma variation

0.0273

Unit

Long. of Ascending Node (Ω)

Value

267.6841

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

213.2328

1-sigma variation

0.0162

Unit

Mean Anomaly (M)

Value

177.15870

1-sigma variation

0.00235

Unit

Perihelion distance

Value

0.680143

1-sigma variation

Unit

Aphelion distance

Value

1.094635

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.026576

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.281296

1-sigma variation

Unit

MOID

Value

0.023156

1-sigma variation

Unit

Orbit Period

Value

305.3299

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.11113E-9	-7.33976E-9	-9.10177E-7	-1.56108E-8	-5.38169E-7	-4.96734E-8
e	-7.33976E-9	4.85227E-8	6.01779E-6	1.03287E-7	3.56011E-6	3.17324E-7
i	-9.10177E-7	6.01779E-6	7.46383E-4	1.28004E-5	4.41503E-4	3.92666E-5
Ω	-1.56108E-8	1.03287E-7	1.28004E-5	2.24270E-7	7.60269E-6	6.17482E-7
ω	-5.38169E-7	3.56011E-6	4.41503E-4	7.60269E-6	2.61445E-4	2.24509E-5
M	-4.96734E-8	3.17324E-7	3.92666E-5	6.17482E-7	2.24509E-5	5.52390E-6

Date of computation: 2024-04-23 10:08 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

24.574

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

30 - 70*

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 ODIM	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

660

Unit

Source

[1]

Normalized RMS of residuals

Value

0.587808

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-06-23.374678

Unit

Source

[2]

Last Observation

Value

2022-07-04.21348

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

40 (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 2022MU1 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
VENUS	1961-01-29 22:41	> 1 d	0.0166917	0.0143136	0.0138773
EARTH	1961-07-01 11:33	> 1 d	0.1678739	0.1193357	0.0171620
EARTH	1966-06-24 06:12	> 1 d	0.1118747	0.0600108	0.0187867
EARTH	1971-06-20 00:25	> 1 d	0.0593460	0.0260962	0.0175346
VENUS	1972-10-09 19:23	> 1 d	0.0355605	0.0160075	0.0205408
EARTH	1976-06-16 14:55	287.5	0.0225653	0.0225407	0.0002936
EARTH	1981-06-15 16:28	32.1	0.0724756	0.0530887	0.0066647
EARTH	1986-06-16 10:18	124.2	0.1605838	0.1445714	0.0053544
VENUS	2005-05-18 13:57	667.8	0.0313024	0.0158793	0.0060992
EARTH	2012-07-07 01:04	592.0	0.1996247	0.1931749	0.0021701
EARTH	2017-06-23 18:45	241.3	0.1100515	0.1059607	0.0013692
EARTH	2022-06-17 09:38	< 1 min	0.0254909	0.0253782	0.0000376
VENUS	2026-04-16 19:46	91.0	0.0161910	0.0158294	0.0001928
EARTH	2027-06-15 21:31	33.8	0.0861180	0.0799972	0.0020490
EARTH	2053-07-02 10:31	> 1 d	0.1735236	0.1430688	0.0104629
EARTH	2058-06-20 15:23	1059.6	0.0735583	0.0460073	0.0097301
EARTH	2063-06-16 14:00	109.3	0.0344125	0.0272383	0.0029843
EARTH	2068-06-15 16:44	29.4	0.1559965	0.1478331	0.0027226
VENUS	2077-05-09 09:54	> 1 d	0.0199242	0.0133506	0.0143270
VENUS	2086-07-29 14:36	> 1 d	0.0237655	0.0137418	0.0185071
EARTH	2089-06-25 19:54	1309.5	0.1289076	0.1066145	0.0075281
EARTH	2094-06-17 05:06	324.2	0.0248239	0.0243883	0.0009011
EARTH	2099-06-15 23:08	44.9	0.1107153	0.0371773	0.0266542
VENUS	2116-09-19 19:07	> 1 d	0.0388108	0.0143463	0.0683309

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