Asteroids

2023EX help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.917

Aphelion (Q)

1.852

Eccentricity (e)

0.338

Inclination (i)

8.4

deg

Orbit period (P)

594.8

Earth MOID

0.00921

U parameter

7.1

Next Earth close approach

Date

2036-03-26

Nominal distance (from Earth center)

0.16179

24203459

Maximum Brightness

26.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-03-13

Observatory

GINOP-KHK, Piszkesteto

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

1.384210

1-sigma variation

0.000333

Unit

Eccentricity (e)

Value

0.337635

1-sigma variation

0.000178

Unit

Inclination (i)

Value

8.4094

1-sigma variation

0.0037

Unit

Long. of Ascending Node (Ω)

Value

354.5804

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

129.3525

1-sigma variation

0.0013

Unit

Mean Anomaly (M)

Value

138.15471

1-sigma variation

0.18230

Unit

Perihelion distance

Value

0.916852

1-sigma variation

Unit

Aphelion distance

Value

1.851569

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.555745

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.015401

1-sigma variation

Unit

MOID

Value

0.009210

1-sigma variation

Unit

Orbit Period

Value

594.8419

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.10751E-7	5.91662E-8	1.24508E-6	2.09289E-8	4.15788E-7	-6.06690E-5
e	5.91662E-8	3.16091E-8	6.65131E-7	1.11795E-8	2.21854E-7	-3.24110E-5
i	1.24508E-6	6.65131E-7	1.40013E-5	2.35297E-7	4.68210E-6	-6.82053E-4
Ω	2.09289E-8	1.11795E-8	2.35297E-7	3.97747E-9	7.89845E-8	-1.14650E-5
ω	4.15788E-7	2.21854E-7	4.68210E-6	7.89845E-8	1.65233E-6	-2.27803E-4
M	-6.06690E-5	-3.24110E-5	-6.82053E-4	-1.14650E-5	-2.27803E-4	3.32343E-2

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

27.413

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 - 20*

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

786

Unit

Source

[1]

Normalized RMS of residuals

Value

0.521273

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-03-13.998309

Unit

Source

[2]

Last Observation

Value

2023-03-19.14969

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (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 2023EX 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	1963-03-21 08:14	> 1 mo	0.0898288	0.0059821	0.5457683
EARTH	1976-03-05 01:59	> 1 mo	0.0447822	0.0070072	0.4176772
EARTH	1988-12-06 14:04	> 1 mo	0.1429893	0.1423140	0.0246469
EARTH	2010-03-15 17:51	> 1 d	0.0281587	0.0087059	0.0268216
EARTH	2023-03-13 01:49	< 1 s	0.0095190	0.0095051	0.0000046
EARTH	2036-03-26 04:57	> 1 d	0.1617901	0.0737157	0.0293590
EARTH	2053-11-30 06:01	> 1 d	0.1670749	0.1451913	0.0251011
EARTH	2067-01-12 07:12	> 1 w	0.1404067	0.1328455	0.0114773
EARTH	2080-02-29 05:41	> 1 w	0.0661173	0.0023063	0.0579133
EARTH	2093-03-11 21:14	1095.4	0.0101078	0.0077217	0.0034662
EARTH	2105-12-06 11:24	> 1 w	0.1516337	0.1468196	0.0383060

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
34.58062089	68.91946666	0.00940957	MINIMUM
332.03186164	343.38233858	0.14390032	MINIMUM
336.06564383	348.80357893	0.14394567	SADDLE
178.51750726	201.52264338	0.85053311	SADDLE
0.25407385	202.31958827	1.92902256	SADDLE
181.16373456	23.39807355	2.83131266	MAXIMUM

Download:

MOID Plots

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