Asteroids

2022JU1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.775

Aphelion (Q)

1.170

Eccentricity (e)

0.203

Inclination (i)

6.8

deg

Orbit period (P)

350.2

Earth MOID

0.00179

U parameter

4.2

Next Earth close approach

Date

2042-12-26

Nominal distance (from Earth center)

0.06471

9681218

Maximum Brightness

23.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

27 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-05-09

Observatory

Pan-STARRS 2, Haleakala

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

0.972351

1-sigma variation

0.000002

Unit

Eccentricity (e)

Value

0.202794

1-sigma variation

0.000036

Unit

Inclination (i)

Value

6.7736

1-sigma variation

0.0013

Unit

Long. of Ascending Node (Ω)

Value

66.5791

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

292.6126

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

135.76486

1-sigma variation

0.00142

Unit

Perihelion distance

Value

0.775164

1-sigma variation

Unit

Aphelion distance

Value

1.169538

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.121683

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.003671

1-sigma variation

Unit

MOID

Value

0.001785

1-sigma variation

Unit

Orbit Period

Value

350.2136

1-sigma variation

Unit

U parameter

Value

4.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.95254E-12	5.56839E-11	1.97325E-9	-7.44257E-10	-8.56432E-10	1.01620E-9
e	5.56839E-11	1.30614E-9	4.62801E-8	-1.71903E-8	-1.78775E-8	3.97807E-8
i	1.97325E-9	4.62801E-8	1.63988E-6	-6.09170E-7	-6.33406E-7	1.40929E-6
Ω	-7.44257E-10	-1.71903E-8	-6.09170E-7	2.26625E-7	2.37006E-7	-5.10200E-7
ω	-8.56432E-10	-1.78775E-8	-6.33406E-7	2.37006E-7	2.60231E-7	-4.33780E-7
M	1.01620E-9	3.97807E-8	1.40929E-6	-5.10200E-7	-4.33780E-7	2.01027E-6

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

24.946

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

27 - 60*

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

1221

Unit

Source

[1]

Normalized RMS of residuals

Value

0.733826

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-04-27.572793

Unit

Source

[2]

Last Observation

Value

2022-05-25.234332

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

67 (1)

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 2022JU1 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	1951-12-30 09:47	29.9	0.0684122	0.0681052	0.0001041
EARTH	1954-05-08 16:47	59.2	0.1403956	0.1402206	0.0000583
EARTH	1955-05-24 13:40	4.1	0.1151404	0.1149639	0.0000588
EARTH	1973-12-30 02:44	33.4	0.0697176	0.0692270	0.0001660
EARTH	1974-11-04 07:16	348.7	0.1981706	0.1976962	0.0001584
EARTH	1976-05-01 17:09	304.5	0.1549769	0.1538746	0.0003676
EARTH	1977-05-25 09:18	23.4	0.0860488	0.0843481	0.0005669
EARTH	1996-01-07 18:49	13.4	0.1834792	0.1827481	0.0002438
EARTH	1996-12-14 18:14	97.2	0.1093039	0.1086023	0.0002343
EARTH	1999-05-27 23:39	10.9	0.0574424	0.0567380	0.0002348
EARTH	2000-05-21 00:55	11.9	0.1954907	0.1947789	0.0002372
EARTH	2019-01-06 09:12	13.0	0.1666608	0.1660989	0.0001874
EARTH	2019-12-09 23:54	79.4	0.1228377	0.1223985	0.0001465
EARTH	2022-05-27 22:19	< 1 s	0.0385492	0.0385280	0.0000070
EARTH	2042-12-26 06:33	25.2	0.0647149	0.0646044	0.0000377
EARTH	2045-05-06 09:32	181.0	0.1459418	0.1451408	0.0002671
EARTH	2046-05-25 10:40	17.1	0.0890509	0.0878966	0.0003848
EARTH	2065-12-30 02:19	19.8	0.0716014	0.0713164	0.0000957
EARTH	2066-11-06 23:53	182.0	0.1918987	0.1915937	0.0001017
EARTH	2068-04-23 02:40	152.5	0.1720238	0.1715945	0.0001431
EARTH	2068-07-16 03:55	253.7	0.1970533	0.1965658	0.0001625
EARTH	2069-05-26 19:09	10.9	0.0455498	0.0447527	0.0002657
EARTH	2088-12-29 22:05	91.5	0.0703680	0.0692767	0.0003830
EARTH	2089-11-05 23:46	832.7	0.1944610	0.1929899	0.0004922
EARTH	2091-04-27 14:46	648.1	0.1641059	0.1623620	0.0005820
EARTH	2091-07-10 10:37	1017.3	0.1887377	0.1866516	0.0006961
EARTH	2092-05-26 00:26	44.8	0.0663494	0.0631263	0.0010744
EARTH	2111-01-08 07:51	41.9	0.1703821	0.1682308	0.0007180
EARTH	2111-12-10 06:02	416.0	0.1262006	0.1243617	0.0006164
EARTH	2114-05-29 01:57	5.6	0.0167345	0.0134771	0.0010862

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
258.29749653	143.31544609	0.00127486	MINIMUM
84.73576809	353.24746296	0.06259474	MINIMUM
171.20483201	68.98724014	0.21238923	SADDLE
350.90341081	246.83394200	0.25070695	SADDLE
353.94660918	70.60506458	1.76770425	SADDLE
176.82970258	253.57041593	2.17044165	MAXIMUM

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MOID Plots

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