Asteroids

2022HH1 help

Last update: 2024-04-23 14:44 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Aten

Perihelion (q)

0.560

Aphelion (Q)

1.027

Eccentricity (e)

0.294

Inclination (i)

1.1

deg

Orbit period (P)

258.1

Earth MOID

0.00372

U parameter

7.0

Next Earth close approach

Date

2034-03-29

Nominal distance (from Earth center)

0.01331

1991409

Maximum Brightness

19.5

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

8 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-04-24

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

0.793330

1-sigma variation

0.000073

Unit

Eccentricity (e)

Value

0.294362

1-sigma variation

0.000134

Unit

Inclination (i)

Value

1.0532

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

211.1973

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

174.7601

1-sigma variation

0.0012

Unit

Mean Anomaly (M)

Value

98.84597

1-sigma variation

0.14100

Unit

Perihelion distance

Value

0.559804

1-sigma variation

Unit

Aphelion distance

Value

1.026856

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.019901

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.433372

1-sigma variation

Unit

MOID

Value

0.003722

1-sigma variation

Unit

Orbit Period

Value

258.0949

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.36059E-9	-9.83693E-9	-4.66051E-8	-2.37793E-8	8.53233E-8	-1.03238E-5
e	-9.83693E-9	1.80513E-8	8.55229E-8	4.36322E-8	-1.56607E-7	1.89448E-5
i	-4.66051E-8	8.55229E-8	4.05292E-7	2.07192E-7	-7.42396E-7	8.97557E-5
Ω	-2.37793E-8	4.36322E-8	2.07192E-7	1.08066E-7	-3.79321E-7	4.57928E-5
ω	8.53233E-8	-1.56607E-7	-7.42396E-7	-3.79321E-7	1.37436E-6	-1.64349E-4
M	-1.03238E-5	1.89448E-5	8.97557E-5	4.57928E-5	-1.64349E-4	1.98824E-2

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

27.524

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 - 19*

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

725

Unit

Source

[1]

Normalized RMS of residuals

Value

0.674588

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-04-24.231086

Unit

Source

[2]

Last Observation

Value

2022-04-30.275908

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

53 (1)

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 2022HH1 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	1950-01-22 23:54	> 1 d	0.0453167	0.0393525	0.0268506
EARTH	1950-03-29 18:45	> 1 w	0.0092614	0.0084681	0.0115532
EARTH	1962-04-24 16:01	> 1 w	0.0197167	0.0050718	0.0150767
EARTH	1974-04-28 17:54	> 1 d	0.0142502	0.0025227	0.0055519
EARTH	1986-04-01 21:38	> 1 d	0.0155582	0.0097279	0.0024795
EARTH	1998-04-10 14:21	1421.0	0.0225994	0.0212094	0.0004715
EARTH	2010-04-18 08:52	> 1 d	0.0226712	0.0193728	0.0011419
EARTH	2022-04-24 09:60	< 1 min	0.0184489	0.0184216	0.0000091
EARTH	2034-03-29 20:60	> 1 d	0.0133117	0.0084688	0.0035181
VENUS	2040-03-05 16:55	227.3	0.0406875	0.0385594	0.0009127
VENUS	2041-02-07 01:17	389.2	0.0438849	0.0416454	0.0015204
EARTH	2046-04-17 23:02	> 1 d	0.0225197	0.0166376	0.0022906
EARTH	2058-04-18 18:40	> 1 d	0.0220755	0.0189688	0.0011160
VENUS	2064-03-03 06:27	338.0	0.0407311	0.0394330	0.0015402
EARTH	2070-04-11 20:10	> 1 w	0.0238932	0.0226315	0.0006769
EARTH	2082-03-31 04:58	> 1 d	0.0163550	0.0089448	0.0029511
VENUS	2084-02-28 19:16	201.2	0.0396748	0.0371553	0.0008767
EARTH	2094-04-24 09:31	> 1 w	0.0165570	0.0079352	0.0118937
EARTH	2106-04-12 04:32	> 1 w	0.0238006	0.0233264	0.0011584
VENUS	2107-03-26 10:48	> 1 d	0.0430653	0.0396672	0.0275542
VENUS	2108-02-27 22:41	> 1 d	0.0432843	0.0385968	0.0335229
EARTH	2118-04-01 21:07	> 1 mo	0.0185174	0.0081179	0.0321225

Download as: