Asteroids

2022JR1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.574

Aphelion (Q)

2.103

Eccentricity (e)

0.571

Inclination (i)

19.2

deg

Orbit period (P)

565.6

Earth MOID

0.00120

U parameter

7.9

Next Earth close approach

Date

2029-10-22

Nominal distance (from Earth center)

0.11962

17894922

Maximum Brightness

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-05-09

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

1.338422

1-sigma variation

0.000911

Unit

Eccentricity (e)

Value

0.571157

1-sigma variation

0.000396

Unit

Inclination (i)

Value

19.2395

1-sigma variation

0.0146

Unit

Long. of Ascending Node (Ω)

Value

227.2010

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

258.8954

1-sigma variation

0.0084

Unit

Mean Anomaly (M)

Value

138.13717

1-sigma variation

0.89142

Unit

Perihelion distance

Value

0.573973

1-sigma variation

Unit

Aphelion distance

Value

2.102872

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.002550

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.178136

1-sigma variation

Unit

MOID

Value

0.001199

1-sigma variation

Unit

Orbit Period

Value

565.5723

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.29203E-7	3.60818E-7	1.33013E-5	-3.81517E-8	7.65127E-6	-8.11730E-4
e	3.60818E-7	1.57007E-7	5.78797E-6	-1.65620E-8	3.32911E-6	-3.53214E-4
i	1.33013E-5	5.78797E-6	2.13372E-4	-6.10693E-7	1.22726E-4	-1.30210E-2
Ω	-3.81517E-8	-1.65620E-8	-6.10693E-7	2.98286E-9	-3.56978E-7	3.73462E-5
ω	7.65127E-6	3.32911E-6	1.22726E-4	-3.56978E-7	7.06325E-5	-7.49003E-3
M	-8.11730E-4	-3.53214E-4	-1.30210E-2	3.73462E-5	-7.49003E-3	7.94625E-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

27.33

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

9 - 20*

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

1211

Unit

Source

[1]

Normalized RMS of residuals

Value

0.847359

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-05-09.263151

Unit

Source

[2]

Last Observation

Value

2022-05-24.185465

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (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 2022JR1 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	1956-04-30 12:48	261.4	0.1412188	0.1336858	0.0025155
EARTH	1966-10-21 06:33	> 1 d	0.1273631	0.1079093	0.0474947
EARTH	1979-05-15 08:39	> 1 d	0.1616200	0.0014530	0.1445280
EARTH	1989-11-04 15:03	> 1 w	0.1785690	0.1153436	0.1155987
EARTH	1999-05-03 16:07	> 1 d	0.0932123	0.0021056	0.1367269
EARTH	2009-10-16 18:47	> 1 d	0.1804310	0.1095554	0.0613606
EARTH	2022-05-07 22:00	< 1 min	0.0025746	0.0025690	0.0000019
EARTH	2029-10-22 06:58	> 1 d	0.1196202	0.1002096	0.0272671
EARTH	2039-05-16 11:59	> 1 d	0.1785947	0.0023415	0.1022569
EARTH	2046-11-01 17:49	> 1 w	0.1359564	0.1012260	0.0850640
EARTH	2070-05-06 12:36	> 1 w	0.0312100	0.0006688	0.1539441
EARTH	2077-10-18 08:15	> 1 d	0.1698353	0.0981676	0.0846824
EARTH	2087-05-11 01:40	> 1 w	0.0583353	0.0019525	0.4084188
VENUS	2090-03-22 19:36	> 1 w	0.0394124	0.0392305	0.0454502
EARTH	2094-10-23 16:44	> 1 mo	0.1079948	0.0968772	0.2955013
EARTH	2104-05-16 01:13	> 1 mo	0.1575645	0.0058785	1.1549135
EARTH	2111-11-01 03:05	> 1 mo	0.1163911	0.0969093	0.8640090

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
64.56252880	123.91692435	0.00200547	MINIMUM
301.22239973	291.30617214	0.09948344	MINIMUM
3.50698510	29.46541965	0.48100751	SADDLE
181.70797424	204.35221288	1.18883906	SADDLE
1.93386838	206.34452031	1.56868380	SADDLE
179.66794210	23.21385069	3.05148593	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2022JR1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2065-05-07.743	75412.743	-1.658	0.000	0.94 ± 0.004	1.07E6	1.26E-7	1.14E-1	-7.73	0
2067-05-08.226	76143.226	1.059	0.000	1.07 ± 0.003	7.73E4	2.52E-6	1.15E-1	-6.46	0


Based on 41 optical observations (of which 0 are rejected as outliers) from 2022/05/09.263 to 2022/05/24.185.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.15 and 1.15 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: