Asteroids

2022HP help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.559

Aphelion (Q)

4.127

Eccentricity (e)

0.762

Inclination (i)

6.8

deg

Orbit period (P)

1309.6

Earth MOID

0.00408

U parameter

8.0

Next Earth close approach

Date

2032-10-09

Nominal distance (from Earth center)

0.01107

1656086

Maximum Brightness

16.3

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

2022-04-22

Observatory

Mt. Lemmon Survey

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

2.342532

1-sigma variation

0.004640

Unit

Eccentricity (e)

Value

0.761571

1-sigma variation

0.000560

Unit

Inclination (i)

Value

6.8101

1-sigma variation

0.0054

Unit

Long. of Ascending Node (Ω)

Value

200.7515

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

266.6843

1-sigma variation

0.0015

Unit

Mean Anomaly (M)

Value

321.39350

1-sigma variation

0.96090

Unit

Perihelion distance

Value

0.558527

1-sigma variation

Unit

Aphelion distance

Value

4.126536

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.027179

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.054990

1-sigma variation

Unit

MOID

Value

0.004081

1-sigma variation

Unit

Orbit Period

Value

1309.5637

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.15343E-5	2.59669E-6	2.52519E-5	4.83152E-6	-6.81640E-6	-4.45907E-3
e	2.59669E-6	3.13119E-7	3.04498E-6	5.82596E-7	-8.22051E-7	-5.37692E-4
i	2.52519E-5	3.04498E-6	2.96141E-5	5.66880E-6	-8.00139E-6	-5.22886E-3
Ω	4.83152E-6	5.82596E-7	5.66880E-6	1.09211E-6	-1.53371E-6	-1.00046E-3
ω	-6.81640E-6	-8.22051E-7	-8.00139E-6	-1.53371E-6	2.19606E-6	1.41146E-3
M	-4.45907E-3	-5.37692E-4	-5.22886E-3	-1.00046E-3	1.41146E-3	9.23333E-1

Date of computation: 2025-02-19 13:28 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

23.481

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

[-]

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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

1107

Unit

Source

[1]

Normalized RMS of residuals

Value

0.62962

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-04-12.34699

Unit

Source

[2]

Last Observation

Value

2022-04-30.431431

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

54 (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 2022HP 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
EARTH	1953-10-22 08:31	> 1 mo	0.1809173	0.0386896	1.6064514
EARTH	2004-04-10 08:58	> 1 w	0.0320982	0.0157177	0.2881873
EARTH	2014-10-21 18:51	> 1 w	0.1648953	0.0238761	0.1369542
EARTH	2022-04-06 16:15	< 1 min	0.0358971	0.0358166	0.0000268
EARTH	2032-10-09 10:48	> 1 w	0.0110702	0.0093215	0.1060644
EARTH	2068-10-03 06:49	> 1 mo	0.1246512	0.0032699	8.6787253
VENUS	2097-08-03 00:11	> 1 mo	0.0287731	0.0287550	0.1857440
EARTH	2104-10-05 12:50	> 1 mo	0.1073385	0.0146908	22.5761191

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
41.26281790	95.90037391	0.00434395	MINIMUM
319.00613925	275.66732963	0.00889628	MINIMUM
0.23493407	5.99297944	0.43266305	SADDLE
0.17737025	185.83421694	1.57314921	SADDLE
180.03290520	185.56611307	3.11997176	SADDLE
180.01140670	5.55732866	5.10426980	MAXIMUM

Download:

MOID Plots

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