Asteroids

2023AK

Last update: 2023-02-07 14:39 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Aten

Perihelion (q)

0.469

Aphelion (Q)

1.139

Eccentricity (e)

0.417

Inclination (i)

5.4

deg

Orbit period (P)

263.4

Earth MOID

0.00592

U parameter

6.3

Next Earth close approach

Date

2027-12-12

Nominal distance (from Earth center)

0.16284

24360222

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-01-12

Observatory

Mt. Lemmon Survey

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

0.804084

1-sigma variation

0.000028

Unit

Eccentricity (e)

Value

0.416581

1-sigma variation

0.000148

Unit

Inclination (i)

Value

5.4081

1-sigma variation

0.0028

Unit

Ascending Node (Ω)

Value

111.1066

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

144.9453

1-sigma variation

0.0016

Unit

Mean Anomaly (M)

Value

312.08474

1-sigma variation

0.01736

Unit

Perihelion

Value

0.469118

1-sigma variation

Unit

Aphelion

Value

1.139049

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.024671

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.521544

1-sigma variation

Unit

MOID

Value

0.005917

1-sigma variation

Unit

Orbit Period

Value

263.3603

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.82623E-10	-4.14702E-9	-7.82732E-8	-5.60872E-9	-4.36403E-8	-4.85342E-7
e	-4.14702E-9	2.19899E-8	4.14984E-7	2.97147E-8	2.30891E-7	2.57417E-6
i	-7.82732E-8	4.14984E-7	7.83276E-6	5.61223E-7	4.35917E-6	4.85760E-5
Ω	-5.60872E-9	2.97147E-8	5.61223E-7	4.03329E-8	3.12734E-7	3.47743E-6
ω	-4.36403E-8	2.30891E-7	4.35917E-6	3.12734E-7	2.44168E-6	2.70083E-5
M	-4.85342E-7	2.57417E-6	4.85760E-5	3.47743E-6	2.70083E-5	3.01360E-4

Date of computation: 2023-01-17 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

27.748

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

10*

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

0.529472

Unit

arcsec

Source

[1]

First Observation

Value

2023-01-12.473502

Unit

Source

[2]

Last Observation

Value

2023-01-15.74614

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (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 2023AK from to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1951-01-04 07:28	> 1 w	0.1090321	0.0134474	0.0780574
EARTH	1955-11-26 08:32	> 1 w	0.1586281	0.1211387	0.0181446
VENUS	1957-11-09 00:01	> 1 d	0.0317643	0.0209926	0.0564383
EARTH	1960-10-31 11:12	1030.3	0.1050320	0.0944372	0.0061149
EARTH	1964-01-15 23:18	409.0	0.0343323	0.0031892	0.0331154
EARTH	1968-12-23 04:55	> 1 w	0.1467161	0.0721827	0.0278264
VENUS	1973-07-01 12:44	> 1 d	0.0314157	0.0053393	0.1294329
EARTH	1973-11-14 23:18	> 1 w	0.1369831	0.1004461	0.0397976
VENUS	1977-10-24 08:44	> 1 d	0.0492775	0.0059562	0.0470904
EARTH	1978-11-01 11:39	563.6	0.1205070	0.0945467	0.0118951
EARTH	1982-01-15 12:16	338.1	0.0363598	0.0053325	0.0397729
EARTH	1986-12-31 03:03	> 1 w	0.1252905	0.0235632	0.0506285
VENUS	1987-05-19 13:57	> 1 d	0.0386807	0.0216103	0.1037230
VENUS	1991-09-10 17:34	> 1 d	0.0320039	0.0215801	0.1145898
EARTH	1991-11-30 14:59	> 1 w	0.1617279	0.1436210	0.0159269
MERCURY	1995-11-21 17:11	> 1 w	0.0483675	0.0483043	0.0060998
EARTH	1996-11-01 22:55	> 1 d	0.0917265	0.0912225	0.0112678
EARTH	2000-01-14 19:06	> 1 d	0.1314751	0.0064214	0.1168135
EARTH	2005-01-10 04:38	> 1 w	0.0729934	0.0085116	0.0768644
EARTH	2009-12-08 00:29	> 1 w	0.1643019	0.1641405	0.0005287
EARTH	2014-11-05 12:40	1071.2	0.1040406	0.0930034	0.0051636
VENUS	2015-12-13 22:10	110.2	0.0061165	0.0061122	0.0000792
EARTH	2018-01-12 17:04	53.1	0.1906391	0.1864436	0.0013985
EARTH	2019-11-03 05:13	20.3	0.1641405	0.1627889	0.0004511
EARTH	2023-01-15 05:30	< 1 s	0.0101359	0.0101237	0.0000041
EARTH	2027-12-12 06:44	505.5	0.1628380	0.1626280	0.0000708
EARTH	2032-11-02 09:03	199.9	0.0921433	0.0904395	0.0006673
EARTH	2036-01-15 08:12	86.8	0.1086915	0.0993927	0.0031003
EARTH	2040-12-30 19:24	1003.7	0.1253780	0.1196599	0.0019088
VENUS	2041-03-03 08:09	263.2	0.0347949	0.0209970	0.0046430
EARTH	2045-11-20 18:57	325.3	0.1487353	0.1470594	0.0005606
VENUS	2050-09-30 03:10	116.6	0.0260952	0.0230553	0.0011941
EARTH	2050-11-01 14:06	1.0	0.1191057	0.1157856	0.0011255
EARTH	2054-01-15 12:45	36.1	0.0261432	0.0134960	0.0043773
EARTH	2058-12-27 03:34	506.9	0.1371044	0.1345278	0.0008593
EARTH	2063-11-21 22:54	399.4	0.1488583	0.1474763	0.0004635
MERCURY	2066-06-21 03:36	862.1	0.0498125	0.0480400	0.0006087
MERCURY	2067-03-08 09:03	772.5	0.0470961	0.0469310	0.0002158
EARTH	2068-11-01 04:17	25.4	0.1004221	0.0950138	0.0020331
EARTH	2072-01-16 00:40	81.8	0.0726273	0.0561365	0.0055056
VENUS	2075-01-03 02:45	430.5	0.0265947	0.0066789	0.0076020
EARTH	2077-01-06 10:51	636.0	0.0960728	0.0905162	0.0018545
VENUS	2079-04-26 08:56	22.6	0.0129885	0.0112035	0.0006109
EARTH	2081-12-06 05:46	1171.3	0.1629795	0.1621437	0.0002834
EARTH	2086-11-04 04:54	872.7	0.0948921	0.0895440	0.0026735
VENUS	2088-11-19 17:05	833.4	0.0428739	0.0213133	0.0123779
EARTH	2090-01-13 15:10	464.1	0.1599190	0.1213449	0.0128654
EARTH	2091-11-04 04:17	450.3	0.1947533	0.1608852	0.0116232
VENUS	2093-03-14 17:30	946.8	0.0453100	0.0212553	0.0150974
EARTH	2095-01-13 00:36	1432.2	0.0511254	0.0181342	0.0113709
EARTH	2099-12-09 07:58	> 1 d	0.1633056	0.1625210	0.0002792
EARTH	2104-11-04 05:54	74.4	0.0929721	0.0921064	0.0002971
EARTH	2108-01-15 21:05	212.8	0.1384330	0.1233605	0.0050262
EARTH	2113-01-10 21:03	> 1 d	0.0760787	0.0534810	0.0075675
VENUS	2113-02-26 22:17	719.5	0.0413793	0.0070495	0.0125476
EARTH	2117-12-04 14:27	> 1 d	0.1627087	0.1603248	0.0008245
VENUS	2122-09-25 07:56	350.4	0.0482672	0.0332331	0.0053330
EARTH	2122-11-03 10:27	115.6	0.0884217	0.0882919	0.0002245

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