Asteroids

2023WG1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.693

Aphelion (Q)

1.154

Eccentricity (e)

0.250

Inclination (i)

5.3

deg

Orbit period (P)

324.2

Earth MOID

0.00810

U parameter

5.9

Next Earth close approach

Date

2031-11-15

Nominal distance (from Earth center)

0.09079

13581721

Maximum Brightness

23.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

12 - 28*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-11-18

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.923581

1-sigma variation

0.000020

Unit

Eccentricity (e)

Value

0.249561

1-sigma variation

0.000268

Unit

Inclination (i)

Value

5.3469

1-sigma variation

0.0064

Unit

Long. of Ascending Node (Ω)

Value

222.2065

1-sigma variation

0.0030

Unit

Arg. of Perihelion (ω)

Value

65.1682

1-sigma variation

0.0018

Unit

Mean Anomaly (M)

Value

197.75447

1-sigma variation

0.01914

Unit

Perihelion distance

Value

0.693091

1-sigma variation

Unit

Aphelion distance

Value

1.154071

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.225696

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.024175

1-sigma variation

Unit

MOID

Value

0.008096

1-sigma variation

Unit

Orbit Period

Value

324.1985

1-sigma variation

Unit

U parameter

Value

5.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.07665E-10	-4.97874E-9	-1.14106E-7	-2.30412E-8	3.42316E-8	7.19419E-8
e	-4.97874E-9	7.18028E-8	1.69971E-6	5.68400E-7	-3.48178E-7	-2.85080E-6
i	-1.14106E-7	1.69971E-6	4.04682E-5	1.44702E-5	-7.65998E-6	-7.50457E-5
Ω	-2.30412E-8	5.68400E-7	1.44702E-5	8.95846E-6	-2.20818E-7	-5.56057E-5
ω	3.42316E-8	-3.48178E-7	-7.65998E-6	-2.20818E-7	3.39641E-6	-6.44929E-6
M	7.19419E-8	-2.85080E-6	-7.50457E-5	-5.56057E-5	-6.44929E-6	3.66387E-4

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

26.64

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

12 - 28*

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

666

Unit

Source

[1]

Normalized RMS of residuals

Value

0.631472

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-11-18.438983

Unit

Source

[2]

Last Observation

Value

2023-11-22.33442

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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

[-]

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 2023WG1 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
VENUS	1951-07-01 13:12	> 1 d	0.0282829	0.0151113	0.0289480
EARTH	1952-01-19 04:13	> 1 w	0.1894038	0.1811004	0.0029552
EARTH	1958-11-13 06:19	667.2	0.1544800	0.1031716	0.0171093
EARTH	1960-03-08 08:25	> 1 d	0.1216392	0.0942047	0.0099612
EARTH	1966-11-09 19:02	54.6	0.0140923	0.0079919	0.0023010
EARTH	1968-03-11 18:52	101.4	0.0754213	0.0749403	0.0002885
EARTH	1974-11-11 00:22	39.2	0.0780470	0.0727827	0.0017553
EARTH	1976-03-13 04:46	26.5	0.0959361	0.0935039	0.0008302
EARTH	1982-11-14 13:37	188.7	0.1916187	0.1768161	0.0049345
EARTH	1984-02-10 19:54	> 1 d	0.1693015	0.1643304	0.0016647
EARTH	1984-04-11 16:11	> 1 d	0.1891991	0.1802629	0.0030229
EARTH	1992-01-17 14:32	> 1 d	0.1941755	0.1938859	0.0000965
EARTH	1999-12-22 00:05	824.6	0.1816152	0.1794439	0.0007240
EARTH	2007-11-20 06:49	428.1	0.1109648	0.1084441	0.0008404
EARTH	2009-03-07 20:06	135.8	0.1527580	0.1462024	0.0022022
EARTH	2015-11-11 06:42	113.1	0.0505117	0.0462389	0.0014257
EARTH	2017-03-09 08:32	107.2	0.1135826	0.1087874	0.0016286
VENUS	2017-05-02 22:11	337.6	0.0283296	0.0238542	0.0016410
EARTH	2023-11-10 03:21	1.1	0.0193370	0.0192750	0.0000207
EARTH	2025-03-09 11:03	37.8	0.0979011	0.0966055	0.0004382
EARTH	2031-11-15 18:00	334.6	0.0907882	0.0865707	0.0014058
EARTH	2033-03-06 11:02	50.0	0.1594693	0.1568015	0.0008909
VENUS	2033-04-27 00:23	204.9	0.0220353	0.0198380	0.0008111
EARTH	2039-12-29 11:45	1368.2	0.1859852	0.1839816	0.0006690
EARTH	2048-02-14 11:02	> 1 d	0.1601750	0.1565575	0.0012107
EARTH	2054-11-10 14:30	97.4	0.0468964	0.0371613	0.0032605
EARTH	2056-03-11 05:15	18.3	0.0737140	0.0732228	0.0002081
EARTH	2062-11-15 15:40	519.8	0.0899380	0.0843062	0.0018773
EARTH	2064-03-05 22:24	205.9	0.1698040	0.1597789	0.0033691
EARTH	2070-12-24 17:44	> 1 d	0.1820908	0.1782042	0.0013032
EARTH	2079-01-29 11:52	> 1 d	0.1812745	0.1747202	0.0021998
EARTH	2085-11-11 16:27	139.8	0.0912769	0.0846924	0.0021954
EARTH	2087-03-12 21:18	37.3	0.0794232	0.0774897	0.0006800
EARTH	2093-11-11 09:40	514.9	0.0572034	0.0423720	0.0049614
EARTH	2095-03-07 22:31	216.4	0.1410565	0.1278117	0.0044962
EARTH	2101-12-23 22:38	> 1 d	0.1794009	0.1733459	0.0020272
EARTH	2110-02-09 22:25	> 1 d	0.1681046	0.1629513	0.0017265
EARTH	2110-04-11 17:23	> 1 d	0.1908119	0.1809401	0.0033371
VENUS	2113-12-01 13:26	561.5	0.0194898	0.0173021	0.0016362
EARTH	2116-11-11 12:15	151.2	0.0578528	0.0306560	0.0092355
EARTH	2118-03-13 06:58	217.6	0.0722757	0.0719702	0.0008881
EARTH	2124-11-12 18:48	> 1 d	0.0652483	0.0156561	0.0169974

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
106.17617892	305.51819973	0.00799029	MINIMUM
256.94807513	67.66226590	0.07427568	MINIMUM
183.45464116	7.65807302	0.19318431	SADDLE
1.52814660	187.23063875	0.33102028	SADDLE
359.97038687	5.16147193	1.67527352	SADDLE
179.39416580	184.54362560	2.16841257	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out