Asteroids

2023WT help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.771

Aphelion (Q)

2.560

Eccentricity (e)

0.537

Inclination (i)

3.6

deg

Orbit period (P)

784.9

Earth MOID

0.00773

U parameter

8.1

Next Earth close approach

Date

2036-07-15

Nominal distance (from Earth center)

0.15303

22892848

Maximum Brightness

24.8

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

40 - 80*

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.665194

1-sigma variation

0.002228

Unit

Eccentricity (e)

Value

0.537183

1-sigma variation

0.000766

Unit

Inclination (i)

Value

3.6050

1-sigma variation

0.0048

Unit

Long. of Ascending Node (Ω)

Value

241.5658

1-sigma variation

0.0030

Unit

Arg. of Perihelion (ω)

Value

104.4640

1-sigma variation

0.0077

Unit

Mean Anomaly (M)

Value

266.98115

1-sigma variation

0.54373

Unit

Perihelion distance

Value

0.770680

1-sigma variation

Unit

Aphelion distance

Value

2.559709

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.355192

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.057540

1-sigma variation

Unit

MOID

Value

0.007734

1-sigma variation

Unit

Orbit Period

Value

784.8664

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.96245E-6	1.70568E-6	1.06557E-5	6.73448E-6	-1.67837E-5	-1.21125E-3
e	1.70568E-6	5.86312E-7	3.66368E-6	2.31527E-6	-5.77845E-6	-4.16325E-4
i	1.06557E-5	3.66368E-6	2.29215E-5	1.44700E-5	-3.63196E-5	-2.60082E-3
Ω	6.73448E-6	2.31527E-6	1.44700E-5	9.15234E-6	-2.29131E-5	-1.64374E-3
ω	-1.67837E-5	-5.77845E-6	-3.63196E-5	-2.29131E-5	5.92187E-5	4.09620E-3
M	-1.21125E-3	-4.16325E-4	-2.60082E-3	-1.64374E-3	4.09620E-3	2.95643E-1

Date of computation: 2025-02-19 13:28 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

24.386

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

40 - 80*

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

533

Unit

Source

[1]

Normalized RMS of residuals

Value

0.57562

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-11-18.500028

Unit

Source

[2]

Last Observation

Value

2023-11-23.49723

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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 2023WT 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	1950-06-27 21:36	> 1 mo	0.0496527	0.0321251	1.2756755
EARTH	1952-11-23 05:33	> 1 mo	0.1063819	0.0087372	1.8964256
EARTH	1980-10-15 13:15	> 1 mo	0.1868180	0.0119090	0.5781142
EARTH	1993-06-25 22:37	> 1 w	0.0358277	0.0333668	0.1013565
EARTH	1995-11-23 07:27	> 1 w	0.0897297	0.0077385	0.3107111
EARTH	2021-06-16 23:23	> 1 d	0.1260110	0.0549575	0.0249995
EARTH	2023-11-14 11:09	< 1 min	0.0374351	0.0372846	0.0000502
EARTH	2036-07-15 08:49	> 1 mo	0.1530292	0.0301519	0.1216234
EARTH	2064-06-21 03:18	> 1 w	0.0666330	0.0347992	0.2371831
EARTH	2066-11-18 22:33	> 1 w	0.0177775	0.0066142	0.2257110
EARTH	2105-07-01 02:22	> 1 mo	0.0577466	0.0359864	5.4629536
EARTH	2107-12-01 07:18	> 1 mo	0.1946564	0.0032066	7.4804916
EARTH	2118-06-18 09:48	> 1 mo	0.1431988	0.0359013	6.2134094
EARTH	2120-11-18 16:48	> 1 mo	0.0055590	0.0054294	1.2860803

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
40.92992210	313.35761302	0.00779144	MINIMUM
316.13390934	171.42603630	0.03396190	MINIMUM
357.93429384	241.55408368	0.24306695	SADDLE
179.41716805	63.54342966	1.57065778	SADDLE
358.21830477	62.05998805	1.76138422	SADDLE
179.48403339	243.57491021	3.56540569	MAXIMUM

Download:

MOID Plots

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