Asteroids

2023WE1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.823

Aphelion (Q)

2.614

Eccentricity (e)

0.521

Inclination (i)

8.0

deg

Orbit period (P)

822.8

Earth MOID

0.01948

U parameter

8.3

Next Earth close approach

Date

2032-12-05

Nominal distance (from Earth center)

0.07331

10966573

Maximum Brightness

24.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

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

1.718411

1-sigma variation

0.003222

Unit

Eccentricity (e)

Value

0.520916

1-sigma variation

0.001030

Unit

Inclination (i)

Value

8.0092

1-sigma variation

0.0133

Unit

Long. of Ascending Node (Ω)

Value

238.1998

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

247.6416

1-sigma variation

0.0048

Unit

Mean Anomaly (M)

Value

298.09163

1-sigma variation

0.82938

Unit

Perihelion distance

Value

0.823263

1-sigma variation

Unit

Aphelion distance

Value

2.613559

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.548533

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.056806

1-sigma variation

Unit

MOID

Value

0.019480

1-sigma variation

Unit

Orbit Period

Value

822.7901

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.03829E-5	3.31667E-6	4.28624E-5	-2.39982E-7	6.32142E-6	-2.67247E-3
e	3.31667E-6	1.06006E-6	1.36693E-5	-7.85422E-8	2.12551E-6	-8.53687E-4
i	4.28624E-5	1.36693E-5	1.77810E-4	-9.23739E-7	2.21503E-5	-1.10323E-2
Ω	-2.39982E-7	-7.85422E-8	-9.23739E-7	1.27238E-8	-4.79535E-7	6.17793E-5
ω	6.32142E-6	2.12551E-6	2.21503E-5	-4.79535E-7	2.26658E-5	-1.62767E-3
M	-2.67247E-3	-8.53687E-4	-1.10323E-2	6.17793E-5	-1.62767E-3	6.87873E-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

26.749

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 - 27*

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

703

Unit

Source

[1]

Normalized RMS of residuals

Value

0.718217

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-11-18.327748

Unit

Source

[2]

Last Observation

Value

2023-11-20.48135

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

10 (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 2023WE1 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	1954-01-29 00:41	> 1 mo	0.1997933	0.1929752	0.0370098
EARTH	1963-03-11 21:47	> 1 mo	0.1595108	0.1086886	0.3177297
EARTH	1972-03-31 05:43	> 1 mo	0.1119484	0.1104143	0.0758611
EARTH	2014-11-18 02:55	> 1 w	0.1442017	0.0150899	0.1595180
EARTH	2023-11-28 09:10	3.3	0.0199147	0.0198159	0.0000329
EARTH	2032-12-05 16:12	> 1 w	0.0733070	0.0159176	0.1429282
EARTH	2041-12-27 01:36	> 1 mo	0.1555483	0.0225261	0.1362701
EARTH	2051-01-27 02:20	> 1 mo	0.1991654	0.1760521	0.0254434
EARTH	2060-03-01 15:30	> 1 mo	0.1773907	0.1086936	0.1186700
EARTH	2069-03-28 02:38	> 1 w	0.1106971	0.1050305	0.0790776
EARTH	2078-04-06 21:08	> 1 w	0.1355148	0.1046330	0.1993274
MARS	2078-06-09 06:53	> 1 w	0.0468603	0.0033581	0.2437771
MARS	2089-09-20 06:14	> 1 w	0.0273601	0.0041291	0.2339959
MARS	2101-01-03 14:31	> 1 d	0.0361616	0.0049949	0.1177282
EARTH	2120-11-26 01:54	> 1 w	0.0489794	0.0233740	0.1625730
MARS	2123-07-31 10:25	> 1 d	0.0280117	0.0077250	0.1273313

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
324.07187045	324.05052796	0.01949734	MINIMUM
38.66815389	86.97278456	0.10722633	MINIMUM
4.05875244	30.11075802	0.20104468	SADDLE
180.64196396	203.90804772	1.61250929	SADDLE
1.13636012	204.94491910	1.83448507	SADDLE
180.05457901	23.56975592	3.59264593	MAXIMUM

Download:

MOID Plots

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