Asteroids

2022LY1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.955

Aphelion (Q)

1.949

Eccentricity (e)

0.342

Inclination (i)

1.3

deg

Orbit period (P)

639.2

Earth MOID

0.00820

U parameter

7.0

Next Earth close approach

Date

2029-06-12

Nominal distance (from Earth center)

0.0092

1375936

Maximum Brightness

19.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-06-06

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

1.452176

1-sigma variation

0.000330

Unit

Eccentricity (e)

Value

0.342326

1-sigma variation

0.000166

Unit

Inclination (i)

Value

1.3431

1-sigma variation

0.0007

Unit

Long. of Ascending Node (Ω)

Value

60.2755

1-sigma variation

0.0024

Unit

Arg. of Perihelion (ω)

Value

240.5473

1-sigma variation

0.0017

Unit

Mean Anomaly (M)

Value

329.12909

1-sigma variation

0.23466

Unit

Perihelion distance

Value

0.955059

1-sigma variation

Unit

Aphelion distance

Value

1.949293

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.552559

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.084161

1-sigma variation

Unit

MOID

Value

0.008200

1-sigma variation

Unit

Orbit Period

Value

639.1860

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.09205E-7	5.49912E-8	2.42966E-7	7.76517E-7	-5.65190E-7	-7.75461E-5
e	5.49912E-8	2.76915E-8	1.22347E-7	3.91022E-7	-2.84600E-7	-3.90492E-5
i	2.42966E-7	1.22347E-7	5.40880E-7	1.72922E-6	-1.25880E-6	-1.72530E-4
Ω	7.76517E-7	3.91022E-7	1.72922E-6	5.53470E-6	-4.03119E-6	-5.51405E-4
ω	-5.65190E-7	-2.84600E-7	-1.25880E-6	-4.03119E-6	2.93942E-6	4.01340E-4
M	-7.75461E-5	-3.90492E-5	-1.72530E-4	-5.51405E-4	4.01340E-4	5.50654E-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

27.293

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 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

1196

Unit

Source

[1]

Normalized RMS of residuals

Value

0.673448

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-05-21.346928

Unit

Source

[2]

Last Observation

Value

2022-06-09.01021

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

27 (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 2022LY1 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	1954-06-21 12:09	185.6	0.0341521	0.0336981	0.0001595
EARTH	1961-05-27 14:45	> 1 d	0.1174390	0.0264254	0.0305144
MARS	1975-10-22 16:18	> 1 d	0.0306769	0.0109412	0.0532283
EARTH	1994-09-21 10:19	> 1 d	0.1917698	0.0844412	0.0362311
EARTH	2001-09-04 12:13	> 1 d	0.0300561	0.0259784	0.0076148
EARTH	2008-08-16 08:44	> 1 w	0.0493561	0.0279017	0.0096929
EARTH	2015-07-09 12:22	> 1 d	0.0585660	0.0451151	0.0044843
EARTH	2022-06-12 17:01	< 1 min	0.0088737	0.0088619	0.0000040
EARTH	2029-06-12 15:46	> 1 d	0.0091976	0.0084002	0.0050354
EARTH	2036-07-19 12:38	> 1 mo	0.0626542	0.0369675	0.0289773
EARTH	2043-08-30 02:47	> 1 mo	0.0229591	0.0210892	0.2116133
EARTH	2050-09-12 08:50	> 1 mo	0.0802204	0.0209465	3.4760246
EARTH	2094-05-26 12:45	> 1 mo	0.1479787	0.0086616	2.3487494
EARTH	2101-06-10 07:39	> 1 mo	0.0177534	0.0097439	0.9453573
EARTH	2108-05-31 00:21	> 1 mo	0.0984765	0.0083618	6.6304078

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
331.32097553	158.11624238	0.00844231	MINIMUM
26.93458297	237.14637560	0.02344678	MINIMUM
359.75573431	198.54822182	0.06357553	SADDLE
179.63339250	18.17650229	0.96514499	SADDLE
359.21185875	17.74878653	1.93948705	SADDLE
179.57067591	198.12833732	2.96451567	MAXIMUM

Download:

MOID Plots

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