Asteroids

2023KD1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.013

Aphelion (Q)

1.372

Eccentricity (e)

0.150

Inclination (i)

15.3

deg

Orbit period (P)

475.6

Earth MOID

0.05142

U parameter

7.9

Next Earth close approach

Date

2036-05-19

Nominal distance (from Earth center)

0.11712

17521125

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-20

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.192346

1-sigma variation

0.000734

Unit

Eccentricity (e)

Value

0.150327

1-sigma variation

0.000473

Unit

Inclination (i)

Value

15.2993

1-sigma variation

0.0305

Unit

Long. of Ascending Node (Ω)

Value

232.8167

1-sigma variation

0.0032

Unit

Arg. of Perihelion (ω)

Value

53.0346

1-sigma variation

0.0613

Unit

Mean Anomaly (M)

Value

298.67083

1-sigma variation

0.56550

Unit

Perihelion distance

Value

1.013105

1-sigma variation

Unit

Aphelion distance

Value

1.371587

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.056609

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.292035

1-sigma variation

Unit

MOID

Value

0.051425

1-sigma variation

Unit

Orbit Period

Value

475.5563

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.38787E-7	3.45845E-7	2.23757E-5	2.21939E-6	-3.89697E-5	-4.14821E-4
e	3.45845E-7	2.23785E-7	1.44094E-5	1.38510E-6	-2.37213E-5	-2.67128E-4
i	2.23757E-5	1.44094E-5	9.30644E-4	9.11765E-5	-1.58455E-3	-1.72499E-2
Ω	2.21939E-6	1.38510E-6	9.11765E-5	1.00282E-5	-1.89075E-4	-1.68984E-3
ω	-3.89697E-5	-2.37213E-5	-1.58455E-3	-1.89075E-4	3.75363E-3	2.93840E-2
M	-4.14821E-4	-2.67128E-4	-1.72499E-2	-1.68984E-3	2.93840E-2	3.19787E-1

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

24.388

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

40 - 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

848

Unit

Source

[1]

Normalized RMS of residuals

Value

0.428423

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-05-20.454159

Unit

Source

[2]

Last Observation

Value

2023-05-22.265008

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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 2023KD1 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	1967-05-15 21:39	> 1 w	0.1135699	0.0506958	0.3447854
EARTH	1980-05-18 10:48	> 1 d	0.0585966	0.0522510	0.0762031
EARTH	1993-05-19 23:11	> 1 d	0.1951090	0.0535348	0.1381580
EARTH	2010-05-13 02:31	> 1 d	0.1965692	0.0479491	0.0712641
EARTH	2023-05-18 06:52	3.7	0.0564016	0.0560567	0.0001150
EARTH	2036-05-19 19:49	990.3	0.1171215	0.0517701	0.0661009
EARTH	2066-05-15 06:54	> 1 d	0.1355325	0.0512091	0.1583136
EARTH	2079-05-19 04:29	> 1 d	0.0550117	0.0533249	0.0347022
EARTH	2092-05-20 00:52	> 1 d	0.1729393	0.0533677	0.3509845
EARTH	2122-05-18 13:01	> 1 w	0.0737565	0.0535849	0.3982203

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
317.67428453	134.30520772	0.05306593	MINIMUM
86.16374953	280.13607578	0.23863329	MINIMUM
36.75812409	226.73324593	0.27553122	SADDLE
199.98859136	19.91226184	0.47473808	SADDLE
5.03760136	8.67131613	1.98479522	SADDLE
174.45666783	177.82752024	2.37558285	MAXIMUM

Download:

MOID Plots

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