Asteroids

2022UT8 help

Last update: 2024-04-19 14:36 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.689

Aphelion (Q)

1.008

Eccentricity (e)

0.188

Inclination (i)

1.6

deg

Orbit period (P)

285.5

Earth MOID

0.00673

U parameter

6.6

Next Earth close approach

Date

2029-10-06

Nominal distance (from Earth center)

0.07642

11431696

Maximum Brightness

21.9

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

23.5

mag

Diameter

50 - 120*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-10-21

Observatory

Mt. Lemmon Survey

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

0.848489

1-sigma variation

0.000047

Unit

Eccentricity (e)

Value

0.188284

1-sigma variation

0.000077

Unit

Inclination (i)

Value

1.6414

1-sigma variation

0.0008

Unit

Long. of Ascending Node (Ω)

Value

8.5552

1-sigma variation

0.0060

Unit

Arg. of Perihelion (ω)

Value

212.8084

1-sigma variation

0.0039

Unit

Mean Anomaly (M)

Value

112.30065

1-sigma variation

0.05417

Unit

Perihelion distance

Value

0.688733

1-sigma variation

Unit

Aphelion distance

Value

1.008246

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.028157

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.291760

1-sigma variation

Unit

MOID

Value

0.006729

1-sigma variation

Unit

Orbit Period

Value

285.4750

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.21683E-9	-3.60297E-9	-3.67139E-8	-2.83888E-7	1.84813E-7	-2.55035E-6
e	-3.60297E-9	5.85585E-9	5.96716E-8	4.61417E-7	-3.00394E-7	4.14504E-6
i	-3.67139E-8	5.96716E-8	6.08311E-7	4.70673E-6	-3.06587E-6	4.22378E-5
Ω	-2.83888E-7	4.61417E-7	4.70673E-6	3.64596E-5	-2.37714E-5	3.26603E-4
ω	1.84813E-7	-3.00394E-7	-3.06587E-6	-2.37714E-5	1.55118E-5	-2.12624E-4
M	-2.55035E-6	4.14504E-6	4.22378E-5	3.26603E-4	-2.12624E-4	2.93405E-3

Date of computation: 2024-02-21 14:29 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

23.508

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

50 - 120*

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

509

Unit

Source

[1]

Normalized RMS of residuals

Value

0.41928

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-10-21.468221

Unit

Source

[2]

Last Observation

Value

2022-11-27.8239

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

68 (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

[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 2022UT8 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
EARTH	1955-11-12 20:02	> 1 w	0.0246337	0.0241508	0.0022965
EARTH	1962-11-28 13:04	> 1 d	0.0302501	0.0274496	0.0051132
EARTH	1969-12-05 17:51	114.4	0.1342743	0.1141974	0.0067871
EARTH	1979-10-06 23:25	58.4	0.1841227	0.1608675	0.0077534
EARTH	1986-10-06 04:02	672.6	0.0675547	0.0329268	0.0115455
EARTH	1993-10-13 00:03	943.2	0.0077665	0.0056973	0.0012047
VENUS	2001-03-26 07:07	447.6	0.0399534	0.0393404	0.0002111
EARTH	2004-12-08 08:47	70.8	0.0929797	0.0885014	0.0014960
VENUS	2009-11-01 00:28	1335.4	0.0369621	0.0365743	0.0005630
EARTH	2011-10-07 23:32	521.5	0.0445974	0.0280547	0.0055289
EARTH	2012-01-27 01:37	> 1 w	0.1845223	0.1717302	0.0042821
VENUS	2018-06-25 14:46	> 1 d	0.0449523	0.0428163	0.0007807
EARTH	2022-12-02 22:15	< 1 min	0.0284952	0.0284589	0.0000121
VENUS	2027-01-24 15:10	962.3	0.0395021	0.0380230	0.0006568
EARTH	2029-10-06 09:42	185.4	0.0764162	0.0622380	0.0047277
EARTH	2040-12-08 10:34	13.5	0.1267301	0.1112993	0.0051579
VENUS	2047-07-15 07:39	106.0	0.0363740	0.0338125	0.0008561
EARTH	2047-10-29 18:52	436.4	0.0209184	0.0199880	0.0003108
EARTH	2054-10-06 17:13	172.6	0.1730718	0.1482654	0.0082691
VENUS	2056-01-31 13:04	> 1 d	0.0432693	0.0276075	0.0053118
VENUS	2064-07-28 11:02	795.0	0.0451747	0.0389744	0.0031222
EARTH	2065-08-16 14:49	> 1 w	0.1942396	0.1850789	0.0030568
EARTH	2065-12-07 10:49	262.6	0.0669063	0.0561304	0.0036414
EARTH	2072-11-15 02:03	> 1 d	0.0231231	0.0227450	0.0003006
VENUS	2076-04-13 03:47	> 1 d	0.0430950	0.0400128	0.0033070
EARTH	2079-10-11 13:55	> 1 d	0.0157138	0.0079770	0.0133848
EARTH	2090-08-22 20:45	> 1 mo	0.1858872	0.0512749	0.0976071
EARTH	2090-12-08 04:30	> 1 d	0.0561348	0.0203926	0.1105451
EARTH	2097-10-08 12:14	> 1 d	0.0424903	0.0131047	0.0132558
EARTH	2098-01-22 20:07	> 1 mo	0.1786731	0.1264237	0.0174339
EARTH	2108-08-15 18:38	> 1 mo	0.1952369	0.0288882	0.1209161
EARTH	2108-12-09 19:02	> 1 d	0.0701174	0.0224248	0.1719291
EARTH	2115-10-09 22:55	> 1 d	0.0495175	0.0081743	0.0466048
EARTH	2116-01-30 02:06	> 1 mo	0.1841698	0.0815714	0.0347785

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