Asteroids

2023EO1 help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.467

Aphelion (Q)

2.010

Eccentricity (e)

0.623

Inclination (i)

8.4

deg

Orbit period (P)

503.5

Earth MOID

0.01617

U parameter

8.3

Next Earth close approach

Date

2034-03-30

Nominal distance (from Earth center)

0.17271

25836460

Maximum Brightness

23.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-03-14

Observatory

Mt. Lemmon 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.238689

1-sigma variation

0.001331

Unit

Eccentricity (e)

Value

0.622645

1-sigma variation

0.000682

Unit

Inclination (i)

Value

8.4328

1-sigma variation

0.0132

Unit

Long. of Ascending Node (Ω)

Value

356.2572

1-sigma variation

0.0043

Unit

Arg. of Perihelion (ω)

Value

299.0567

1-sigma variation

0.0066

Unit

Mean Anomaly (M)

Value

155.21013

1-sigma variation

0.79977

Unit

Perihelion distance

Value

0.467425

1-sigma variation

Unit

Aphelion distance

Value

2.009952

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.421824

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.091900

1-sigma variation

Unit

MOID

Value

0.016175

1-sigma variation

Unit

Orbit Period

Value

503.5490

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.77182E-6	9.08283E-7	1.76121E-5	5.75065E-6	-8.73003E-6	-1.06457E-3
e	9.08283E-7	4.65610E-7	9.02839E-6	2.94793E-6	-4.47515E-6	-5.45728E-4
i	1.76121E-5	9.02839E-6	1.75069E-4	5.71626E-5	-8.67809E-5	-1.05820E-2
Ω	5.75065E-6	2.94793E-6	5.71626E-5	1.86646E-5	-2.83348E-5	-3.45519E-3
ω	-8.73003E-6	-4.47515E-6	-8.67809E-5	-2.83348E-5	4.30248E-5	5.24531E-3
M	-1.06457E-3	-5.45728E-4	-1.05820E-2	-3.45519E-3	5.24531E-3	6.39632E-1

Date of computation: 2025-02-19 13:28 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

24.475

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

30 - 80*

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

782

Unit

Source

[1]

Normalized RMS of residuals

Value

0.584021

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-03-14.398513

Unit

Source

[2]

Last Observation

Value

2023-03-23.344396

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

48 (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 2023EO1 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	1954-03-24 03:46	> 1 w	0.0332173	0.0138672	0.5148205
MERCURY	1966-10-12 18:00	> 1 mo	0.0405226	0.0110932	0.1494337
EARTH	1973-11-03 11:46	336.4	0.1405848	0.1135199	0.0123300
EARTH	1983-03-22 02:56	> 1 w	0.0347192	0.0148519	0.2861693
EARTH	1994-03-30 14:08	> 1 d	0.1977604	0.0140780	0.2532073
EARTH	2013-11-07 13:24	> 1 d	0.1118752	0.1115179	0.0076407
EARTH	2023-03-23 10:22	< 1 s	0.0175115	0.0174463	0.0000217
EARTH	2034-03-30 00:53	> 1 d	0.1727061	0.0155787	0.1067806
MERCURY	2042-09-01 06:34	> 1 w	0.0239097	0.0230129	0.0358711
EARTH	2053-11-03 12:35	> 1 w	0.1506443	0.1131255	0.1965018
EARTH	2063-03-18 12:37	> 1 w	0.1319305	0.0170242	0.3599499
EARTH	2064-11-11 12:25	> 1 w	0.1340202	0.1128493	0.1996305
EARTH	2074-03-25 14:13	> 1 w	0.0482923	0.0178215	0.4223521
MERCURY	2082-08-27 12:50	> 1 mo	0.0332377	0.0187254	0.2890144
MERCURY	2097-10-28 11:33	> 1 w	0.0268377	0.0209812	0.0328307
EARTH	2103-03-18 01:24	> 1 d	0.1720381	0.0448638	0.0430810
EARTH	2104-11-11 04:36	> 1 d	0.1197135	0.1142126	0.0233277
MERCURY	2113-01-01 16:55	> 1 mo	0.0334739	0.0184578	0.1995150
EARTH	2114-03-27 04:20	> 1 w	0.0557275	0.0190713	0.2368148

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
288.05040130	79.63497840	0.01614778	MINIMUM
69.63998649	304.48650807	0.11137791	MINIMUM
358.34382930	190.65396321	0.55615622	SADDLE
179.23949111	13.23356875	1.04190897	SADDLE
359.02284773	12.10870590	1.44788832	SADDLE
180.07707869	193.63281611	3.01977828	MAXIMUM

Download:

MOID Plots

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