Asteroids

2023KR

Last update: 2023-09-26 14:00 UTC

Orbital Properties

Epoch

60200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.673

Aphelion (Q)

5.195

Eccentricity (e)

0.771

Inclination (i)

14.9

deg

Orbit period (P)

1835.8

Earth MOID

0.05594

U parameter

8.6

Next Earth close approach

Date

2028-06-05

Nominal distance (from Earth center)

0.13444

20112539

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

23.5

mag

Diameter

70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-16

Observatory

Pan-STARRS 1, Haleakala

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

60200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.934160

1-sigma variation

0.021133

Unit

Eccentricity (e)

Value

0.770568

1-sigma variation

0.001777

Unit

Inclination (i)

Value

14.9073

1-sigma variation

0.0333

Unit

Ascending Node (Ω)

Value

55.6835

1-sigma variation

0.0013

Unit

Arg. of Perihelion (ω)

Value

271.6743

1-sigma variation

0.0118

Unit

Mean Anomaly (M)

Value

11.55964

1-sigma variation

0.11599

Unit

Perihelion

Value

0.673190

1-sigma variation

Unit

Aphelion

Value

5.195129

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.176440

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.207331

1-sigma variation

Unit

MOID

Value

0.055938

1-sigma variation

Unit

Orbit Period

Value

1835.7945

1-sigma variation

Unit

U parameter

Value

8.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.46614E-4	3.75582E-5	7.03929E-4	2.72154E-5	-2.49172E-4	-2.45124E-3
e	3.75582E-5	3.15847E-6	5.91972E-5	2.28869E-6	-2.09542E-5	-2.06138E-4
i	7.03929E-4	5.91972E-5	1.10950E-3	4.28966E-5	-3.92731E-4	-3.86351E-3
Ω	2.72154E-5	2.28869E-6	4.28966E-5	1.65873E-6	-1.51841E-5	-1.49372E-4
ω	-2.49172E-4	-2.09542E-5	-3.92731E-4	-1.51841E-5	1.39026E-4	1.36758E-3
M	-2.45124E-3	-2.06138E-4	-3.86351E-3	-1.49372E-4	1.36758E-3	1.34536E-2

Date of computation: 2023-08-01 23:50 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

23.468

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

70*

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

[-]

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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

120

Unit

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.454919

Unit

arcsec

Source

[1]

First Observation

Value

2023-05-16.413568

Unit

Source

[2]

Last Observation

Value

2023-05-30.05466

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (1)

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 2023KR 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	1963-05-21 05:13	> 1 mo	0.1585069	0.0196709	1.4657008
EARTH	1968-05-19 21:20	> 1 mo	0.1677185	0.0190804	2.2439076
EARTH	1983-05-23 10:56	> 1 mo	0.1428034	0.0311373	3.3100377
EARTH	1988-06-04 01:55	> 1 mo	0.0773728	0.0337332	2.7878308
EARTH	1993-06-11 21:31	> 1 mo	0.1953677	0.0247988	2.5624813
EARTH	1998-06-04 09:31	> 1 mo	0.1113958	0.0335846	1.9723999
EARTH	2003-05-27 19:55	> 1 mo	0.0422751	0.0373035	0.5615603
EARTH	2008-05-19 12:44	> 1 mo	0.1607318	0.0346088	0.9448679
EARTH	2018-05-20 17:18	> 1 w	0.1845863	0.0598280	0.3181099
EARTH	2023-05-31 18:01	< 1 min	0.0674373	0.0670194	0.0001393
EARTH	2028-06-05 11:11	> 1 w	0.1344440	0.0583865	0.2958505
EARTH	2033-06-04 12:04	> 1 mo	0.1236105	0.0577423	0.5519677
EARTH	2038-06-04 22:59	> 1 mo	0.1230831	0.0597292	0.7541774
EARTH	2043-06-08 19:48	> 1 mo	0.1611208	0.0590200	0.9540310
EARTH	2083-11-04 16:42	> 1 mo	0.0309789	0.0263568	1.3615163
EARTH	2088-11-10 10:54	> 1 mo	0.0913985	0.0007030	5.8705786
EARTH	2093-11-08 23:32	> 1 mo	0.0544392	0.0006692	7.5649733
EARTH	2098-11-06 13:34	> 1 mo	0.0097447	0.0003525	3.5570901
EARTH	2103-11-17 18:41	> 1 mo	0.1875683	0.0061048	85.2740491

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