Asteroids

2022AM5 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.435

Aphelion (Q)

1.197

Eccentricity (e)

0.467

Inclination (i)

12.4

deg

Orbit period (P)

269.4

Earth MOID

0.10718

U parameter

0.2

Next Earth close approach

Date

2028-02-20

Nominal distance (from Earth center)

0.18715

27996518

Maximum Brightness

21.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.2

mag

Diameter

60 - 130*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-01-09

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.816325

1-sigma variation

1.325E-9

Unit

Eccentricity (e)

Value

0.466931

1-sigma variation

9.899E-8

Unit

Inclination (i)

Value

12.4129

1-sigma variation

1.700E-5

Unit

Long. of Ascending Node (Ω)

Value

118.6534

1-sigma variation

1.276E-5

Unit

Arg. of Perihelion (ω)

Value

188.8255

1-sigma variation

2.017E-5

Unit

Mean Anomaly (M)

Value

212.49747

1-sigma variation

0.00003

Unit

Perihelion distance

Value

0.435158

1-sigma variation

Unit

Aphelion distance

Value

1.197491

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.200864

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.580541

1-sigma variation

Unit

MOID

Value

0.107180

1-sigma variation

Unit

Orbit Period

Value

269.3970

1-sigma variation

Unit

U parameter

Value

0.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.75553E-18	6.19441E-17	3.37673E-15	-2.02242E-16	2.38696E-17	-1.12245E-14
e	6.19441E-17	9.79963E-15	6.79635E-13	-1.42462E-13	4.79280E-13	-1.40015E-12
i	3.37673E-15	6.79635E-13	2.88884E-10	-2.43539E-11	9.73662E-11	-2.08308E-10
Ω	-2.02242E-16	-1.42462E-13	-2.43539E-11	1.62775E-10	-1.91258E-10	8.17176E-11
ω	2.38696E-17	4.79280E-13	9.73662E-11	-1.91258E-10	4.06781E-10	-5.10871E-10
M	-1.12245E-14	-1.40015E-12	-2.08308E-10	8.17176E-11	-5.10871E-10	1.10773E-9

Date of computation: 2025-09-10 00:30 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

23.249

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

60 - 130*

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

5113

Unit

Source

[1]

Unobserved

Value

266

Unit

Source

[1]

Normalized RMS of residuals

Value

0.727848

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2011-01-24.530422

Unit

Source

[2]

Last Observation

Value

2025-01-23.311604

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

53 (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 2022AM5 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	1952-03-03 10:11	< 1 min	0.1693744	0.1693739	0.0000002
MERCURY	1952-05-15 04:56	< 1 min	0.0331010	0.0331008	0.0000001
EARTH	1956-12-22 15:27	< 1 min	0.1778972	0.1778958	0.0000005
EARTH	1959-12-29 06:49	< 1 min	0.1384201	0.1384194	0.0000002
MERCURY	1963-06-15 16:22	< 1 min	0.0474532	0.0474513	0.0000006
EARTH	1966-02-19 23:47	< 1 min	0.1854110	0.1854103	0.0000002
EARTH	1969-03-03 12:58	< 1 s	0.1891477	0.1891469	0.0000003
EARTH	1973-12-22 06:03	< 1 min	0.1407348	0.1407336	0.0000004
EARTH	1977-01-02 22:59	< 1 min	0.1629542	0.1629534	0.0000003
EARTH	1983-02-27 00:50	< 1 min	0.1658312	0.1658305	0.0000002
MERCURY	1985-08-11 20:21	< 1 min	0.0469678	0.0469661	0.0000006
EARTH	1990-12-23 05:02	< 1 min	0.1081530	0.1081526	0.0000001
EARTH	1994-01-13 15:22	< 1 min	0.1968122	0.1968118	0.0000001
MERCURY	1996-09-06 15:27	< 1 min	0.0352928	0.0352922	0.0000002
EARTH	2000-03-03 11:43	< 1 min	0.1625425	0.1625419	0.0000002
EARTH	2004-12-22 20:32	< 1 min	0.1703283	0.1703276	0.0000002
EARTH	2008-01-01 08:57	< 1 min	0.1507184	0.1507180	0.0000001
EARTH	2014-02-27 09:28	< 1 min	0.1645867	0.1645860	0.0000002
EARTH	2021-12-24 22:06	< 1 min	0.1130144	0.1130140	0.0000001
EARTH	2028-02-20 02:45	< 1 min	0.1871452	0.1871446	0.0000002
EARTH	2035-12-23 06:50	< 1 min	0.1109393	0.1109389	0.0000001
EARTH	2039-01-13 00:37	< 1 min	0.1932264	0.1932262	0.0000001
EARTH	2045-03-04 02:31	< 1 min	0.1682457	0.1682450	0.0000002
EARTH	2049-12-22 21:10	< 1 min	0.1447926	0.1447919	0.0000002
EARTH	2053-01-04 23:19	< 1 min	0.1678557	0.1678553	0.0000001
EARTH	2059-03-03 00:11	< 1 min	0.1576757	0.1576750	0.0000002
EARTH	2066-12-28 15:09	< 1 min	0.1308860	0.1308856	0.0000002
EARTH	2073-02-23 20:03	< 1 min	0.1763094	0.1763088	0.0000002
EARTH	2080-12-23 00:20	< 1 min	0.1071939	0.1071936	0.0000001
EARTH	2084-01-13 23:10	< 1 min	0.1949900	0.1949897	0.0000001
EARTH	2090-03-04 11:29	< 1 min	0.1623290	0.1623282	0.0000003
MERCURY	2090-05-18 21:49	< 1 min	0.0386768	0.0386761	0.0000002
EARTH	2094-12-24 04:58	< 1 s	0.1833384	0.1833374	0.0000003
EARTH	2097-12-29 18:42	< 1 min	0.1375852	0.1375845	0.0000002
MERCURY	2101-06-15 05:57	< 1 min	0.0342637	0.0342632	0.0000001
EARTH	2104-02-24 04:10	< 1 min	0.1819698	0.1819695	0.0000001
EARTH	2111-12-24 10:18	< 1 min	0.1249810	0.1249801	0.0000003
MERCURY	2112-07-13 08:48	< 1 min	0.0364988	0.0364979	0.0000003
EARTH	2115-01-07 07:04	< 1 min	0.1709466	0.1709457	0.0000003
EARTH	2121-03-01 00:25	< 1 min	0.1664601	0.1664598	0.0000001
MERCURY	2123-08-13 20:32	< 1 min	0.0325294	0.0325285	0.0000003

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
122.48671336	349.35940891	0.10711721	MINIMUM
235.39758745	58.91022032	0.15693630	MINIMUM
183.77320657	26.91501229	0.21599848	SADDLE
359.49277039	205.14449035	0.57995056	SADDLE
358.81981604	23.98728395	1.42013177	SADDLE
179.07061655	204.16672676	2.21200828	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out