Asteroids

2023KG1

Last update: 2023-06-03 23:50 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.739

Aphelion (Q)

1.360

Eccentricity (e)

0.296

Inclination (i)

14.9

deg

Orbit period (P)

392.7

Earth MOID

0.04037

U parameter

7.5

Next Earth close approach

Date

2034-10-25

Nominal distance (from Earth center)

0.19665

29418245

Maximum Brightness

124.9

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-21

Observatory

Moonbase South Observatory, Hakos

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

1.049456

1-sigma variation

0.000315

Unit

Eccentricity (e)

Value

0.295685

1-sigma variation

0.000422

Unit

Inclination (i)

Value

14.8738

1-sigma variation

0.0258

Unit

Ascending Node (Ω)

Value

239.0784

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

248.3624

1-sigma variation

0.0198

Unit

Mean Anomaly (M)

Value

0.37742

1-sigma variation

0.03804

Unit

Perihelion

Value

0.739148

1-sigma variation

Unit

Aphelion

Value

1.359764

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.062992

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.125176

1-sigma variation

Unit

MOID

Value

0.040366

1-sigma variation

Unit

Orbit Period

Value

392.6855

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.90969E-8	1.32845E-7	8.12651E-6	7.36214E-8	6.24589E-6	-1.19737E-5
e	1.32845E-7	1.78099E-7	1.08940E-5	9.87210E-8	8.37270E-6	-1.60529E-5
i	8.12651E-6	1.08940E-5	6.66502E-4	6.03566E-6	5.12110E-4	-9.81813E-4
Ω	7.36214E-8	9.87210E-8	6.03566E-6	5.49322E-8	4.64215E-6	-8.90133E-6
ω	6.24589E-6	8.37270E-6	5.12110E-4	4.64215E-6	3.93773E-4	-7.54773E-4
M	-1.19737E-5	-1.60529E-5	-9.81813E-4	-8.90133E-6	-7.54773E-4	1.44705E-3

Date of computation: 2023-05-30 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

24.959

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

40*

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

0.623414

Unit

arcsec

Source

[1]

First Observation

Value

2023-05-21.00424

Unit

Source

[2]

Last Observation

Value

2023-05-30.396835

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

[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 2023KG1 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
EARTH	1951-05-13 03:16	564.0	0.0539441	0.0417193	0.0223550
EARTH	1962-10-25 05:46	113.1	0.1902491	0.1891790	0.0003575
EARTH	1965-05-16 05:30	964.9	0.1740671	0.1499396	0.0081316
EARTH	1977-11-16 08:44	> 1 d	0.1242217	0.0994468	0.0267170
EARTH	1980-05-14 23:41	> 1 d	0.0872560	0.0407714	0.0450757
EARTH	1991-10-30 19:44	> 1 d	0.1287990	0.0944118	0.0410262
EARTH	1994-05-13 06:01	> 1 d	0.1064146	0.0429504	0.0539680
EARTH	2006-11-26 00:00	> 1 w	0.1667681	0.1160704	0.0298362
EARTH	2009-05-17 09:04	> 1 d	0.1457375	0.0474476	0.0369047
EARTH	2020-11-04 21:16	622.7	0.0931242	0.0912435	0.0010811
EARTH	2023-05-13 12:58	< 1 min	0.0454594	0.0452408	0.0000729
EARTH	2034-10-25 00:13	> 1 d	0.1966488	0.1187547	0.0303512
EARTH	2037-05-16 12:26	> 1 d	0.1761899	0.0748341	0.0373505
EARTH	2049-11-19 17:46	> 1 w	0.1392800	0.1022186	0.0669132
EARTH	2052-05-16 01:34	> 1 d	0.1107077	0.0394691	0.0966183
EARTH	2063-11-01 07:60	> 1 w	0.1167039	0.0928558	0.0680854
EARTH	2066-05-13 04:30	1334.2	0.0943580	0.0404719	0.0934940
EARTH	2078-11-22 16:21	> 1 w	0.1513934	0.1057834	0.0441724
EARTH	2081-05-16 17:12	> 1 d	0.1189172	0.0393738	0.0464990
EARTH	2092-10-30 20:39	> 1 d	0.1236492	0.0992536	0.0097192
EARTH	2095-05-13 13:58	621.3	0.1034386	0.0432293	0.0258352
EARTH	2107-11-28 00:47	> 1 w	0.1690945	0.1167710	0.0641300
EARTH	2110-05-19 04:14	> 1 d	0.1511361	0.0377821	0.1005274
EARTH	2121-11-05 00:47	> 1 w	0.0963549	0.0902014	0.0670188

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