Asteroids

2022JR1 help

Last update: 2024-04-16 14:31 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.574

Aphelion (Q)

2.102

Eccentricity (e)

0.571

Inclination (i)

19.2

deg

Orbit period (P)

565.5

Earth MOID

0.00206

U parameter

8.0

Next Earth close approach

Date

2029-10-21

Nominal distance (from Earth center)

0.12447

18620407

Maximum Brightness

26.9

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-05-09

Observatory

Catalina Sky Survey

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.338296

1-sigma variation

0.001003

Unit

Eccentricity (e)

Value

0.570962

1-sigma variation

0.000435

Unit

Inclination (i)

Value

19.2380

1-sigma variation

0.0161

Unit

Long. of Ascending Node (Ω)

Value

227.2071

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

258.8857

1-sigma variation

0.0093

Unit

Mean Anomaly (M)

Value

116.29893

1-sigma variation

0.55015

Unit

Perihelion distance

Value

0.574180

1-sigma variation

Unit

Aphelion distance

Value

2.102413

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.004369

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.177120

1-sigma variation

Unit

MOID

Value

0.002058

1-sigma variation

Unit

Orbit Period

Value

565.4924

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.00634E-6	4.36598E-7	1.61144E-5	-5.06086E-8	9.30256E-6	-5.51894E-4
e	4.36598E-7	1.89428E-7	6.99148E-6	-2.18163E-8	4.03459E-6	-2.39439E-4
i	1.61144E-5	6.99148E-6	2.58053E-4	-8.06926E-7	1.48926E-4	-8.83745E-3
Ω	-5.06086E-8	-2.18163E-8	-8.06926E-7	5.02530E-9	-4.85820E-7	2.77505E-5
ω	9.30256E-6	4.03459E-6	1.48926E-4	-4.85820E-7	8.61635E-5	-5.10167E-3
M	-5.51894E-4	-2.39439E-4	-8.83745E-3	2.77505E-5	-5.10167E-3	3.02670E-1

Date of computation: 2024-02-21 14:29 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

27.305

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 - 21*

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 ODIM	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

693

Unit

Source

[1]

Normalized RMS of residuals

Value

0.845502

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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1956-04-30 08:07	> 1 d	0.1451784	0.0017610	0.0504277
EARTH	1966-10-21 20:58	> 1 d	0.1221017	0.1066184	0.0137910
EARTH	1979-05-16 07:50	> 1 d	0.1825763	0.0006758	0.1040891
EARTH	1989-11-06 18:29	> 1 w	0.1972962	0.1199459	0.1102816
EARTH	1999-05-04 18:06	> 1 d	0.0698820	0.0027080	0.1499688
EARTH	2009-10-17 11:43	> 1 d	0.1701201	0.1089171	0.0652276
EARTH	2022-05-07 21:60	< 1 min	0.0025743	0.0025681	0.0000021
EARTH	2029-10-21 19:31	> 1 d	0.1244697	0.1004506	0.0323409
EARTH	2039-05-15 16:24	> 1 d	0.1611559	0.0017772	0.1119651
VENUS	2042-03-28 23:50	> 1 d	0.0422268	0.0379578	0.0655962
EARTH	2046-10-31 00:02	> 1 w	0.1203385	0.0997246	0.1095981
EARTH	2070-05-04 08:10	> 1 w	0.0775882	0.0013925	0.4908815
EARTH	2077-10-17 08:09	> 1 w	0.1860479	0.1025110	0.3612836
EARTH	2087-05-11 18:40	> 1 w	0.0733895	0.0022509	0.3088071
EARTH	2094-10-26 07:23	> 1 d	0.0962258	0.0961983	0.0016398
EARTH	2118-05-02 22:45	> 1 w	0.1291914	0.0062134	0.4950273

Download as:

2022JR1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS	TS
2065-05-07.743	75412.743	-1.658	0.000	0.94 ± 0.004	1.07E6	1.26E-7	1.44E-8	-7.74	0
2067-05-08.226	76143.226	1.059	0.000	1.07 ± 0.003	7.73E4	2.52E-6	2.91E-7	-6.47	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=20240110 090431.700 UTC.

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Download Impactor Table as: