Asteroids

2022JC help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.996

Aphelion (Q)

1.154

Eccentricity (e)

0.073

Inclination (i)

11.7

deg

Orbit period (P)

407.2

Earth MOID

0.01624

U parameter

6.4

Next Earth close approach

Date

2031-11-07

Nominal distance (from Earth center)

0.13904

20800482

Maximum Brightness

22.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.2

mag

Diameter

25 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-05-03

Observatory

Catalina Sky 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

1.075133

1-sigma variation

0.000059

Unit

Eccentricity (e)

Value

0.073142

1-sigma variation

0.000044

Unit

Inclination (i)

Value

11.6653

1-sigma variation

0.0052

Unit

Long. of Ascending Node (Ω)

Value

48.2435

1-sigma variation

3.139E-5

Unit

Arg. of Perihelion (ω)

Value

123.6652

1-sigma variation

0.0168

Unit

Mean Anomaly (M)

Value

111.61676

1-sigma variation

0.11310

Unit

Perihelion distance

Value

0.996496

1-sigma variation

Unit

Aphelion distance

Value

1.153770

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.124322

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.016641

1-sigma variation

Unit

MOID

Value

0.016237

1-sigma variation

Unit

Orbit Period

Value

407.1848

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.45580E-9	2.57759E-9	3.05493E-7	1.83558E-9	9.89348E-7	-6.64898E-6
e	2.57759E-9	1.92268E-9	2.27860E-7	1.36953E-9	7.37834E-7	-4.95923E-6
i	3.05493E-7	2.27860E-7	2.70072E-5	1.62238E-7	8.74566E-5	-5.87769E-4
Ω	1.83558E-9	1.36953E-9	1.62238E-7	9.85164E-10	5.25161E-7	-3.53140E-6
ω	9.89348E-7	7.37834E-7	8.74566E-5	5.25161E-7	2.83312E-4	-1.90357E-3
M	-6.64898E-6	-4.95923E-6	-5.87769E-4	-3.53140E-6	-1.90357E-3	1.27927E-2

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

25.174

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

25 - 50*

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

1228

Unit

Source

[1]

Normalized RMS of residuals

Value

0.338499

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-04-29.41534

Unit

Source

[2]

Last Observation

Value

2022-05-11.25883

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

105 (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 2022JC 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	1953-12-06 17:34	> 1 d	0.1561696	0.1357324	0.0110295
EARTH	1954-05-07 04:56	822.9	0.0428954	0.0180242	0.0202787
EARTH	1963-11-11 06:55	> 1 d	0.1301731	0.1239787	0.0042970
EARTH	1964-05-13 19:10	573.4	0.1725762	0.1271433	0.0151594
EARTH	1982-12-09 00:36	637.6	0.1669080	0.1589970	0.0028123
EARTH	1983-05-06 20:11	157.9	0.0646454	0.0487960	0.0053500
EARTH	1992-11-21 04:09	> 1 d	0.1170735	0.1170257	0.0002765
EARTH	1993-05-10 17:12	508.2	0.0837760	0.0522427	0.0106434
EARTH	2002-10-24 21:46	> 1 d	0.1775162	0.1674524	0.0037211
EARTH	2012-05-04 06:39	13.0	0.1965561	0.1813517	0.0050699
EARTH	2021-12-01 08:04	22.2	0.1364826	0.1361326	0.0001166
EARTH	2022-05-08 03:23	< 1 min	0.0176544	0.0176305	0.0000080
EARTH	2031-11-07 12:43	> 1 d	0.1390426	0.1342969	0.0017635
EARTH	2050-12-08 21:20	> 1 d	0.1668039	0.1508829	0.0061554
EARTH	2051-05-06 19:45	395.5	0.0565314	0.0261715	0.0108065
EARTH	2060-11-23 20:11	256.8	0.1205438	0.1205304	0.0000201
EARTH	2061-05-09 23:54	99.2	0.0660398	0.0608436	0.0017366
EARTH	2070-10-30 01:59	> 1 d	0.1614338	0.1480562	0.0053705
EARTH	2089-12-05 22:03	> 1 d	0.1554632	0.1338202	0.0125416
EARTH	2090-05-07 00:31	1061.5	0.0359140	0.0168509	0.0223022
EARTH	2099-11-29 07:47	> 1 d	0.1305943	0.1234406	0.0083410
EARTH	2100-05-09 03:38	1323.6	0.0269905	0.0165263	0.0210725
EARTH	2109-11-03 12:56	> 1 d	0.1508420	0.1367843	0.0117897

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
51.88657483	124.17840862	0.01787756	MINIMUM
250.00423976	316.14782231	0.11933901	MINIMUM
326.23091850	32.91100870	0.20405407	SADDLE
153.15173001	225.41303933	0.25439164	SADDLE
4.46969949	254.12212554	1.99460299	SADDLE
198.71473856	88.46639425	2.14457734	MAXIMUM

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MOID Plots

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