Asteroids

2022JM help

Last update: 2025-04-09 07:59 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.886

Aphelion (Q)

1.176

Eccentricity (e)

0.141

Inclination (i)

1.7

deg

Orbit period (P)

382.2

Earth MOID

0.00063

U parameter

5.0

Next Earth close approach

Date

2044-05-01

Nominal distance (from Earth center)

0.17107

25591878

Maximum Brightness

27.9

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

28.8

mag

Diameter

5 - 11*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-05-03

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

1.030751

1-sigma variation

0.000006

Unit

Eccentricity (e)

Value

0.140683

1-sigma variation

0.000021

Unit

Inclination (i)

Value

1.6513

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

50.8612

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

268.3792

1-sigma variation

0.0095

Unit

Mean Anomaly (M)

Value

235.44393

1-sigma variation

0.01377

Unit

Perihelion distance

Value

0.885742

1-sigma variation

Unit

Aphelion distance

Value

1.175760

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.024498

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.003388

1-sigma variation

Unit

MOID

Value

0.000628

1-sigma variation

Unit

Orbit Period

Value

382.2336

1-sigma variation

Unit

U parameter

Value

5.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.91277E-11	1.29684E-10	4.35946E-10	4.65420E-9	-5.94496E-8	-8.61296E-8
e	1.29684E-10	4.29903E-10	1.44664E-9	1.54195E-8	-1.96979E-7	-2.85432E-7
i	4.35946E-10	1.44664E-9	4.92170E-9	5.16573E-8	-6.61035E-7	-9.58912E-7
Ω	4.65420E-9	1.54195E-8	5.16573E-8	5.54289E-7	-7.07621E-6	-1.02476E-5
ω	-5.94496E-8	-1.96979E-7	-6.61035E-7	-7.07621E-6	9.03697E-5	1.30888E-4
M	-8.61296E-8	-2.85432E-7	-9.58912E-7	-1.02476E-5	1.30888E-4	1.89606E-4

Date of computation: 2025-04-09 07:59 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

28.756

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

5 - 11*

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

1149

Unit

Source

[1]

Normalized RMS of residuals

Value

0.513148

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-05-03.350285

Unit

Source

[2]

Last Observation

Value

2022-05-09.400648

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (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 2022JM 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	1957-04-26 15:57	> 1 mo	0.1253617	0.0000349	859.8910694
EARTH	1967-10-03 15:58	> 1 mo	0.0327539	0.0037622	144.1695024
EARTH	1976-10-02 03:11	> 1 mo	0.0239886	0.0037921	12.0212976
EARTH	1984-04-28 22:22	> 1 mo	0.1417889	0.0005360	10.9431550
EARTH	1993-06-25 02:29	> 1 mo	0.0872669	0.0024185	1.5879104
EARTH	2002-10-04 10:32	> 1 mo	0.0474522	0.0035796	3.4807513
EARTH	2010-05-10 03:17	193.6	0.0010810	0.0009885	0.0004357
EARTH	2011-10-25 01:45	58.9	0.1519366	0.1483679	0.0011896
EARTH	2022-05-09 20:40	< 1 s	0.0025321	0.0025310	0.0000004
EARTH	2023-02-28 20:06	120.0	0.1790231	0.1788308	0.0000641
EARTH	2023-08-14 23:18	194.6	0.1311940	0.1311848	0.0000031
EARTH	2024-01-03 08:34	231.9	0.1665451	0.1664693	0.0000253
EARTH	2024-11-06 20:23	12.1	0.0506074	0.0496051	0.0003341
EARTH	2044-05-01 20:43	58.8	0.1710711	0.1666620	0.0014697
EARTH	2045-04-16 17:13	> 1 d	0.1142314	0.1108528	0.0011264
EARTH	2045-06-20 14:15	> 1 d	0.1014416	0.0991097	0.0007776
EARTH	2046-02-02 19:10	1307.6	0.1920250	0.1919600	0.0000216
EARTH	2046-10-10 11:53	> 1 d	0.0835322	0.0804832	0.0010164
EARTH	2067-05-07 00:22	178.0	0.0639740	0.0566881	0.0024286
EARTH	2068-03-14 08:40	> 1 d	0.1630974	0.1610515	0.0006820
EARTH	2068-07-26 02:00	> 1 d	0.1298596	0.1291353	0.0002415
EARTH	2069-01-15 20:28	> 1 d	0.1813243	0.1800674	0.0004190
EARTH	2069-11-04 04:48	198.8	0.0082080	0.0044908	0.0014945
EARTH	2097-04-30 22:38	> 1 w	0.0756125	0.0032826	0.2342770
EARTH	2098-04-05 09:32	> 1 mo	0.1182731	0.0123651	0.1343078
EARTH	2098-06-17 19:44	> 1 mo	0.1079037	0.0248229	0.1033168
EARTH	2099-02-10 18:31	> 1 mo	0.1797666	0.1582727	0.0071816
EARTH	2099-08-25 12:30	> 1 mo	0.1320276	0.0523483	0.0269176
EARTH	2099-12-28 01:15	> 1 mo	0.1528706	0.0285060	0.0575858
EARTH	2100-11-05 14:29	> 1 w	0.0069429	0.0039948	0.0952536
EARTH	2120-05-12 09:55	> 1 mo	0.0047101	0.0011773	13.5435706
EARTH	2121-10-26 22:00	> 1 mo	0.0161059	0.0088595	429.6936397

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
277.84280067	125.90582189	0.00115975	MINIMUM
75.02553535	300.73611964	0.00457072	MINIMUM
355.99316337	212.90863514	0.13179023	SADDLE
176.94237308	33.80621404	0.19045775	SADDLE
355.87399584	32.75175054	1.87008957	SADDLE
176.69786108	213.58343890	2.18695256	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2022JM

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2092-05-08.411	85275.411	-4.717	1.67 ± 0.003	2.15E4	1.10E-9	5.30E-12	-11.11
2101-11-12.004	88749.004	1.212	1.90 ± 0.002	2.80E5	2.46E-6	1.19E-8	-7.82
2102-11-12.031	89114.031	1.213	2.56 ± 0.000	4.15E6	2.32E-7	1.13E-9	-8.85
2103-11-11.156	89478.156	-0.568	1.04 ± 0.001	1.07E6	1.52E-6	7.35E-9	-8.04
2118-05-10.438	94772.438	0.390	1.17 ± 0.001	1.85E6	9.37E-7	4.54E-9	-8.32
2119-05-10.114	95137.114	-0.501	2.48 ± 0.001	1.57E6	3.60E-7	1.74E-9	-8.75
2120-05-08.485	95501.485	-0.497	1.90 ± 0.001	8.33E6	1.52E-7	7.35E-10	-9.13
2120-05-10.432	95503.432	0.760	1.68 ± 0.006	4.63E5	3.00E-6	1.45E-8	-7.83
2121-05-08.295	95866.295	-3.637	2.26 ± 0.002	4.53E6	3.07E-10	1.49E-12	-11.83
2121-05-11.264	95869.264	3.608	2.52 ± 0.001	3.04E6	2.85E-10	1.38E-12	-11.86
2122-05-09.240	96232.240	0.705	1.27 ± 0.019	2.03E6	7.98E-7	3.86E-9	-8.42
2122-05-09.576	96232.576	-4.698	2.13 ± 0.004	1.09E6	1.78E-11	8.63E-14	-13.07
2122-05-10.979	96233.979	1.123	0.04 ± 0.001	7.31E6	1.51E-7	7.32E-10	-9.14


Based on 64 optical observations (of which 0 are rejected as outliers) from 2022/05/03.350 to 2022/05/09.401.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.60 and 2.60 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250305 084805.038 UTC.

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