Asteroids

2022JR help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.791

Aphelion (Q)

1.428

Eccentricity (e)

0.287

Inclination (i)

3.2

deg

Orbit period (P)

426.8

Earth MOID

0.00687

U parameter

7.3

Next Earth close approach

Date

2029-05-16

Nominal distance (from Earth center)

0.05073

7588585

Maximum Brightness

22.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-05-04

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

1.109440

1-sigma variation

0.000244

Unit

Eccentricity (e)

Value

0.287394

1-sigma variation

0.000305

Unit

Inclination (i)

Value

3.2228

1-sigma variation

0.0035

Unit

Long. of Ascending Node (Ω)

Value

218.3586

1-sigma variation

0.0027

Unit

Arg. of Perihelion (ω)

Value

102.6833

1-sigma variation

0.0075

Unit

Mean Anomaly (M)

Value

310.46972

1-sigma variation

0.32681

Unit

Perihelion distance

Value

0.790593

1-sigma variation

Unit

Aphelion distance

Value

1.428287

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.077627

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.035162

1-sigma variation

Unit

MOID

Value

0.006869

1-sigma variation

Unit

Orbit Period

Value

426.8293

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.97472E-8	7.45386E-8	8.64014E-7	6.46992E-7	-1.83205E-6	-7.98823E-5
e	7.45386E-8	9.30241E-8	1.07777E-6	8.06434E-7	-2.28088E-6	-9.96582E-5
i	8.64014E-7	1.07777E-6	1.24963E-5	9.36216E-6	-2.65162E-5	-1.15519E-3
Ω	6.46992E-7	8.06434E-7	9.36216E-6	7.03033E-6	-1.99528E-5	-8.65037E-4
ω	-1.83205E-6	-2.28088E-6	-2.65162E-5	-1.99528E-5	5.68726E-5	2.44949E-3
M	-7.98823E-5	-9.96582E-5	-1.15519E-3	-8.65037E-4	2.44949E-3	1.06803E-1

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

26.07

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

16 - 40*

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

Unit

Source

[1]

Unobserved

Value

1226

Unit

Source

[1]

Normalized RMS of residuals

Value

0.560973

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-05-04.379257

Unit

Source

[2]

Last Observation

Value

2022-05-09.94747

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

48 (4)

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 2022JR 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	1954-11-04 21:16	1291.1	0.0329825	0.0056136	0.0110004
EARTH	1960-05-03 21:42	> 1 d	0.1564983	0.0348723	0.0410237
EARTH	1961-11-09 23:45	> 1 d	0.0550547	0.0057943	0.0510710
EARTH	1967-05-10 18:58	> 1 d	0.0392766	0.0129056	0.0296637
EARTH	1968-11-15 20:10	> 1 d	0.1719928	0.1204256	0.0171931
EARTH	1974-05-14 13:50	> 1 d	0.0331814	0.0129463	0.0448143
EARTH	1981-06-14 19:21	> 1 w	0.1630963	0.0722388	0.0303036
EARTH	2002-09-22 15:40	> 1 d	0.1843636	0.1721167	0.0040934
EARTH	2009-11-01 13:06	407.6	0.0708513	0.0618952	0.0029875
EARTH	2015-05-04 05:33	706.3	0.1742784	0.1447664	0.0098429
EARTH	2016-11-09 08:49	1004.5	0.0423212	0.0068132	0.0129211
EARTH	2022-05-12 08:02	< 1 min	0.0190306	0.0189732	0.0000191
EARTH	2023-11-18 04:16	100.9	0.1944954	0.1888068	0.0018962
EARTH	2029-05-16 02:00	> 1 d	0.0507266	0.0147207	0.0137283
EARTH	2036-06-10 00:27	> 1 d	0.1537948	0.1191940	0.0115338
EARTH	2064-09-23 02:59	1016.0	0.1839216	0.1829605	0.0003207
EARTH	2071-10-23 04:20	794.5	0.1228271	0.1158589	0.0023231
EARTH	2078-11-04 03:46	660.4	0.0558450	0.0371969	0.0062400
EARTH	2085-11-05 10:55	396.3	0.0384472	0.0247530	0.0046069
EARTH	2092-10-28 16:20	1284.4	0.1024621	0.0874213	0.0050212
EARTH	2099-10-02 21:01	> 1 d	0.1679366	0.1450843	0.0076542

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
67.90764280	303.86990472	0.00683846	MINIMUM
287.68045014	129.09710266	0.01363338	MINIMUM
357.20688194	215.76944183	0.22767037	SADDLE
178.44053849	37.27214353	0.44597997	SADDLE
357.63458924	36.33603245	1.77699065	SADDLE
178.70219052	217.45511774	2.44012490	MAXIMUM

Download:

MOID Plots

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