Asteroids

2023EZ1

Last update: 2023-03-30 23:53 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.286

Aphelion (Q)

2.891

Eccentricity (e)

0.820

Inclination (i)

6.0

deg

Orbit period (P)

731.3

Earth MOID

0.01456

U parameter

9.0

Next Earth close approach

Date

2025-03-10

Nominal distance (from Earth center)

0.03079

4605469

Maximum Brightness

19.6

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

24.2

mag

Diameter

50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-03-14

Observatory

Mt. Lemmon 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)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

60000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.588471

1-sigma variation

0.010222

Unit

Eccentricity (e)

Value

0.820254

1-sigma variation

0.001745

Unit

Inclination (i)

Value

6.0465

1-sigma variation

0.0217

Unit

Ascending Node (Ω)

Value

340.2767

1-sigma variation

0.0027

Unit

Arg. of Perihelion (ω)

Value

62.5313

1-sigma variation

0.0202

Unit

Mean Anomaly (M)

Value

14.72094

1-sigma variation

0.18652

Unit

Perihelion

Value

0.285522

1-sigma variation

Unit

Aphelion

Value

2.891420

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.632781

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.154555

1-sigma variation

Unit

MOID

Value

0.014558

1-sigma variation

Unit

Orbit Period

Value

731.2524

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.04499E-4	1.78384E-5	2.21749E-4	2.38338E-5	-2.05824E-4	-1.90667E-3
e	1.78384E-5	3.04512E-6	3.78553E-5	4.07361E-6	-3.51418E-5	-3.25479E-4
i	2.21749E-4	3.78553E-5	4.70789E-4	5.12598E-5	-4.37624E-4	-4.04612E-3
Ω	2.38338E-5	4.07361E-6	5.12598E-5	7.48212E-6	-4.95149E-5	-4.35180E-4
ω	-2.05824E-4	-3.51418E-5	-4.37624E-4	-4.95149E-5	4.08677E-4	3.75585E-3
M	-1.90667E-3	-3.25479E-4	-4.04612E-3	-4.35180E-4	3.75585E-3	3.47891E-2

Date of computation: 2023-03-26 11:58 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

24.155

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

50*

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 ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.451572

Unit

arcsec

Source

[1]

First Observation

Value

2023-03-14.16618

Unit

Source

[2]

Last Observation

Value

2023-03-22.18825

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

46 (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 2023EZ1 from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
MERCURY	1950-10-03 12:17	> 1 mo	0.0295685	0.0150867	6.1014756
VENUS	1964-11-19 04:19	> 1 mo	0.0296080	0.0271525	0.5439926
MERCURY	1990-12-05 10:48	> 1 mo	0.0447663	0.0420617	0.1686584
MERCURY	1996-12-24 00:55	> 1 mo	0.0446512	0.0017393	0.7203618
MERCURY	2003-01-07 12:49	> 1 mo	0.0228375	0.0144434	1.6168797
EARTH	2011-03-01 21:15	> 1 mo	0.1842460	0.0144859	0.9714641
EARTH	2013-03-03 02:09	> 1 mo	0.1405282	0.0142645	0.8721783
EARTH	2015-03-05 03:27	> 1 mo	0.1005273	0.0139920	0.7574928
EARTH	2017-03-06 03:14	> 1 w	0.0654554	0.0139335	0.5900498
EARTH	2019-03-08 07:46	> 1 w	0.0289599	0.0145304	0.3446975
MERCURY	2021-01-29 03:48	> 1 w	0.0145403	0.0141821	0.0471884
EARTH	2021-03-08 13:33	> 1 d	0.0157527	0.0144708	0.0463526
EARTH	2023-03-09 13:54	< 1 min	0.0152484	0.0151024	0.0000487
EARTH	2025-03-10 01:32	> 1 d	0.0307857	0.0146707	0.1029155
MERCURY	2027-01-22 02:25	> 1 mo	0.0487223	0.0437455	0.0985648
EARTH	2027-03-11 19:08	> 1 w	0.0582174	0.0146930	0.1997720
EARTH	2029-03-12 17:02	> 1 w	0.0884971	0.0149033	0.2716973
EARTH	2031-03-15 06:50	> 1 w	0.1341011	0.0157546	0.3285870
MERCURY	2033-01-27 08:20	> 1 mo	0.0445346	0.0432205	0.1222689
VENUS	2033-03-03 07:47	> 1 w	0.0322604	0.0315946	0.0943402
EARTH	2033-03-16 11:18	> 1 w	0.1722866	0.0160063	0.3753366
MERCURY	2039-02-04 00:48	> 1 mo	0.0436861	0.0432221	0.1773572
MERCURY	2045-02-12 06:04	> 1 mo	0.0456516	0.0436726	0.5200735
MERCURY	2051-02-20 21:03	> 1 mo	0.0464887	0.0438628	0.7748776
VENUS	2053-02-04 00:50	> 1 mo	0.0371641	0.0289529	1.5763989
MERCURY	2057-02-26 20:30	> 1 mo	0.0444253	0.0439132	0.5260055
MERCURY	2063-03-04 21:26	> 1 mo	0.0471925	0.0440223	1.8321614
VENUS	2099-03-26 23:01	> 1 mo	0.0497852	0.0262015	3.2983676

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