Asteroids

2019WG2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.889

Aphelion (Q)

1.667

Eccentricity (e)

0.304

Inclination (i)

23.4

deg

Orbit period (P)

527.5

Earth MOID

0.00098

U parameter

1.4

Next Earth close approach

Date

2032-11-22

Nominal distance (from Earth center)

0.0094

1405691

Maximum Brightness

17.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

28 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-11-24

Observatory

ATLAS-MLO, Mauna Loa

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

1.277740

1-sigma variation

4.852E-8

Unit

Eccentricity (e)

Value

0.304493

1-sigma variation

1.889E-7

Unit

Inclination (i)

Value

23.3513

1-sigma variation

1.522E-5

Unit

Long. of Ascending Node (Ω)

Value

240.5164

1-sigma variation

2.667E-5

Unit

Arg. of Perihelion (ω)

Value

124.5069

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

84.55994

1-sigma variation

0.00009

Unit

Perihelion distance

Value

0.888677

1-sigma variation

Unit

Aphelion distance

Value

1.666803

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.387045

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001127

1-sigma variation

Unit

MOID

Value

0.000981

1-sigma variation

Unit

Orbit Period

Value

527.5480

1-sigma variation

Unit

U parameter

Value

1.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.35431E-15	-3.44956E-15	-3.45703E-13	-3.86704E-13	1.42064E-12	-4.51069E-12
e	-3.44956E-15	3.56734E-14	2.38432E-12	4.54341E-12	-1.02094E-11	6.87046E-12
i	-3.45703E-13	2.38432E-12	2.31741E-10	2.96382E-10	-7.19008E-10	6.89848E-10
Ω	-3.86704E-13	4.54341E-12	2.96382E-10	7.11333E-10	-1.26189E-9	6.68238E-10
ω	1.42064E-12	-1.02094E-11	-7.19008E-10	-1.26189E-9	3.02508E-9	-2.81638E-9
M	-4.51069E-12	6.87046E-12	6.89848E-10	6.68238E-10	-2.81638E-9	8.73311E-9

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

24.901

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

28 - 60*

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

1124

Unit

Source

[1]

Unobserved

Value

1040

Unit

Source

[1]

Normalized RMS of residuals

Value

0.48778

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-11-24.495057

Unit

Source

[2]

Last Observation

Value

2022-12-22.366396

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

47 (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 2019WG2 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	1960-11-23 03:53	3.1	0.0135577	0.0134371	0.0000402
EARTH	1983-12-01 23:44	2.9	0.1736743	0.1735397	0.0000449
EARTH	1996-11-15 19:39	3.1	0.1180971	0.1179868	0.0000368
EARTH	2019-11-23 08:43	< 1 min	0.0012093	0.0012092	0.0000000
EARTH	2032-11-22 03:10	< 1 min	0.0093965	0.0093825	0.0000047
EARTH	2055-11-22 05:34	26.1	0.0223847	0.0213828	0.0003340
EARTH	2088-11-20 08:16	412.1	0.0444872	0.0289930	0.0051650
EARTH	2098-12-01 17:15	64.2	0.1659604	0.1630498	0.0009702

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
41.98721090	318.84532062	0.00100419	MINIMUM
280.57321198	163.24931821	0.27693651	MINIMUM
333.87176737	228.27189053	0.40059699	SADDLE
163.74080494	72.07380364	0.81151443	SADDLE
350.88127804	73.13435208	1.85535760	SADDLE
183.70038730	267.26719978	2.63424594	MAXIMUM

Download:

MOID Plots

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