Asteroids

2019AG11 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.979

Aphelion (Q)

3.162

Eccentricity (e)

0.527

Inclination (i)

1.1

deg

Orbit period (P)

1088.5

Earth MOID

0.00871

U parameter

7.6

Next Earth close approach

Date

2108-03-21

Nominal distance (from Earth center)

0.03841

5746383

Maximum Brightness

21.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-01-11

Observatory

Pan-STARRS 1, 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

2.070810

1-sigma variation

0.001037

Unit

Eccentricity (e)

Value

0.527012

1-sigma variation

0.000305

Unit

Inclination (i)

Value

1.0527

1-sigma variation

0.0230

Unit

Long. of Ascending Node (Ω)

Value

185.1575

1-sigma variation

2.0299

Unit

Arg. of Perihelion (ω)

Value

316.0625

1-sigma variation

2.0743

Unit

Mean Anomaly (M)

Value

97.57128

1-sigma variation

1.33784

Unit

Perihelion distance

Value

0.979468

1-sigma variation

Unit

Aphelion distance

Value

3.162153

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.085691

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.407016

1-sigma variation

Unit

MOID

Value

0.008708

1-sigma variation

Unit

Orbit Period

Value

1088.4512

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.07482E-6	3.16506E-7	2.38523E-5	-2.10444E-3	2.15045E-3	-1.38699E-3
e	3.16506E-7	9.32032E-8	7.02389E-6	-6.19706E-4	6.33255E-4	-4.08432E-4
i	2.38523E-5	7.02389E-6	5.29329E-4	-4.67017E-2	4.77228E-2	-3.07799E-2
Ω	-2.10444E-3	-6.19706E-4	-4.67017E-2	4.12041E0	-4.21050E0	2.71565E0
ω	2.15045E-3	6.33255E-4	4.77228E-2	-4.21050E0	4.30256E0	-2.77503E0
M	-1.38699E-3	-4.08432E-4	-3.07799E-2	2.71565E0	-2.77503E0	1.78982E0

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

26.13

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

16 - 40*

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

2444

Unit

Source

[1]

Normalized RMS of residuals

Value

0.758178

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-01-11.30301

Unit

Source

[2]

Last Observation

Value

2019-01-17.272601

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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 2019AG11 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
MARS	1979-07-25 13:11	> 1 d	0.0305740	0.0210666	0.0551338
EARTH	2013-01-02 08:20	> 1 d	0.1438453	0.0170429	0.0538843
EARTH	2016-01-15 11:58	> 1 d	0.0516084	0.0157956	0.0296103
EARTH	2019-01-25 11:59	< 1 min	0.0220836	0.0220094	0.0000247
EARTH	2022-01-21 06:54	> 1 w	0.0256187	0.0152741	0.0202007
EARTH	2025-01-03 22:57	> 1 d	0.1202490	0.0175912	0.0611788
EARTH	2108-03-21 05:46	> 1 w	0.0384122	0.0036968	0.1505430
EARTH	2111-01-24 05:48	> 1 w	0.0231704	0.0174099	0.0112691
EARTH	2113-12-27 10:06	> 1 w	0.1618024	0.0184032	0.2422052

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
8.68905637	53.77129698	0.00877859	MINIMUM
355.35895060	30.18013453	0.01451438	MINIMUM
358.72855938	36.14011518	0.01477321	SADDLE
0.99811264	220.14961098	1.99194390	SADDLE
180.29908869	219.33665999	2.14937543	SADDLE
180.30241303	39.33375795	4.14903977	MAXIMUM

Download:

MOID Plots

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