Asteroids

2023KJ1 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.921

Aphelion (Q)

3.852

Eccentricity (e)

0.614

Inclination (i)

0.8

deg

Orbit period (P)

1346.6

Earth MOID

0.00329

U parameter

7.1

Next Earth close approach

Date

2034-07-07

Nominal distance (from Earth center)

0.10334

15459760

Maximum Brightness

40.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

8 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-18

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.386476

1-sigma variation

0.001371

Unit

Eccentricity (e)

Value

0.614175

1-sigma variation

0.000242

Unit

Inclination (i)

Value

0.7721

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

225.1130

1-sigma variation

0.0032

Unit

Arg. of Perihelion (ω)

Value

54.4637

1-sigma variation

0.0021

Unit

Mean Anomaly (M)

Value

182.12772

1-sigma variation

0.15890

Unit

Perihelion distance

Value

0.920761

1-sigma variation

Unit

Aphelion distance

Value

3.852191

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.085243

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.326492

1-sigma variation

Unit

MOID

Value

0.003289

1-sigma variation

Unit

Orbit Period

Value

1346.5860

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.87953E-6	3.32263E-7	5.53662E-7	4.38532E-6	-2.81842E-6	-2.17844E-4
e	3.32263E-7	5.87373E-8	9.78762E-8	7.75237E-7	-4.98238E-7	-3.85103E-5
i	5.53662E-7	9.78762E-8	1.63292E-7	1.29550E-6	-8.33856E-7	-6.41712E-5
Ω	4.38532E-6	7.75237E-7	1.29550E-6	1.03016E-5	-6.64467E-6	-5.08273E-4
ω	-2.81842E-6	-4.98238E-7	-8.33856E-7	-6.64467E-6	4.29519E-6	3.26664E-4
M	-2.17844E-4	-3.85103E-5	-6.41712E-5	-5.08273E-4	3.26664E-4	2.52488E-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

27.488

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

8 - 19*

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

719

Unit

Source

[1]

Normalized RMS of residuals

Value

0.731541

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-05-18.310122

Unit

Source

[2]

Last Observation

Value

2023-05-23.040056

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

40 (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 2023KJ1 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	1964-07-04 20:31	> 1 mo	0.0885245	0.0476953	2.7797427
EARTH	1990-05-15 07:04	> 1 mo	0.0155695	0.0017773	0.5666780
EARTH	2001-05-13 15:14	> 1 w	0.0280233	0.0017773	0.0927894
EARTH	2012-05-02 05:55	> 1 d	0.1665554	0.0012506	0.0587687
EARTH	2023-05-23 00:07	< 1 s	0.0037894	0.0037857	0.0000012
EARTH	2034-07-07 12:04	> 1 w	0.1033421	0.0865136	0.0056865
EARTH	2045-06-15 19:40	> 1 w	0.1002280	0.0072871	0.0311499
EARTH	2056-05-27 21:07	> 1 w	0.0521625	0.0024784	0.0715712
EARTH	2067-07-21 01:14	> 1 w	0.0818160	0.0221870	0.0210590
MARS	2067-09-25 16:51	> 1 d	0.0458800	0.0438016	0.0147950

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
340.58531645	138.63415830	0.00371269	MINIMUM
19.49000936	216.76056038	0.01353543	MINIMUM
0.12479938	177.87000957	0.08768714	SADDLE
0.05616394	357.72916840	1.91225758	SADDLE
180.01525732	357.67334913	2.86594230	SADDLE
180.01224385	177.67222293	4.86514945	MAXIMUM

Download:

MOID Plots

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