Asteroids

2019LF6 help

Last update: 2024-04-24 13:40 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Atira

Perihelion (q)

0.317

Aphelion (Q)

0.794

Eccentricity (e)

0.429

Inclination (i)

29.5

deg

Orbit period (P)

151.2

Earth MOID

0.26057

U parameter

2.1

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

17.2

mag

Diameter

1000 - 2200*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-06-10

Observatory

Palomar Mountain--ZTF

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.555428

1-sigma variation

1.710E-8

Unit

Eccentricity (e)

Value

0.429332

1-sigma variation

3.853E-7

Unit

Inclination (i)

Value

29.5059

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

179.0240

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

213.7872

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

81.07225

1-sigma variation

0.00021

Unit

Perihelion distance

Value

0.316965

1-sigma variation

Unit

Aphelion distance

Value

0.793891

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.291221

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.669261

1-sigma variation

Unit

MOID

Value

0.260567

1-sigma variation

Unit

Orbit Period

Value

151.1958

1-sigma variation

Unit

U parameter

Value

2.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.92369E-16	2.15554E-15	-3.47818E-13	2.03487E-14	4.41423E-13	-2.91480E-12
e	2.15554E-15	1.48461E-13	1.24953E-12	9.95081E-12	-1.58346E-11	1.86650E-12
i	-3.47818E-13	1.24953E-12	3.11330E-9	3.94289E-9	-4.58614E-9	4.69032E-9
Ω	2.03487E-14	9.95081E-12	3.94289E-9	8.32654E-9	-8.50628E-9	2.38030E-9
ω	4.41423E-13	-1.58346E-11	-4.58614E-9	-8.50628E-9	1.32894E-8	-1.45747E-8
M	-2.91480E-12	1.86650E-12	4.69032E-9	2.38030E-9	-1.45747E-8	4.58853E-8

Date of computation: 2024-04-23 10:08 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

17.194

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

1000 - 2200*

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 ODIM	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

1108

Unit

Source

[1]

Unobserved

Value

708

Unit

Source

[1]

Normalized RMS of residuals

Value

0.575121

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-05-06.165961

Unit

Source

[2]

Last Observation

Value

2022-05-18.0908

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

114 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2019LF6 from 1950 to 2124

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
MERCURY	1950-06-22 18:34	< 1 min	0.0445131	0.0445030	0.0000034
MERCURY	1953-05-16 06:15	< 1 min	0.0479214	0.0479100	0.0000038
MERCURY	1963-09-21 05:33	< 1 min	0.0410324	0.0410193	0.0000043
MERCURY	1966-08-14 12:33	< 1 min	0.0465944	0.0465791	0.0000051
VENUS	1968-01-06 04:16	< 1 min	0.0321920	0.0321839	0.0000027
VENUS	1969-03-30 10:29	< 1 min	0.0361161	0.0361074	0.0000029
MERCURY	1979-11-12 06:21	< 1 min	0.0316835	0.0316794	0.0000014
VENUS	1990-10-10 22:29	< 1 min	0.0173173	0.0173093	0.0000027
MERCURY	1993-02-08 10:47	< 1 min	0.0227609	0.0227540	0.0000023
MERCURY	2009-03-30 19:09	< 1 min	0.0211952	0.0211939	0.0000004
VENUS	2013-07-16 04:05	< 1 min	0.0476688	0.0476630	0.0000019
VENUS	2014-10-08 04:08	< 1 min	0.0186247	0.0186199	0.0000016
MERCURY	2022-06-27 07:40	< 1 min	0.0498828	0.0498780	0.0000016
MERCURY	2025-05-20 20:03	< 1 min	0.0419427	0.0419350	0.0000026
VENUS	2036-04-19 21:58	< 1 min	0.0367327	0.0367215	0.0000037
VENUS	2037-07-13 02:41	< 1 min	0.0311102	0.0310986	0.0000039
MERCURY	2038-08-18 06:55	< 1 min	0.0234422	0.0234318	0.0000035
MERCURY	2051-11-16 18:54	< 1 min	0.0264954	0.0264893	0.0000020
VENUS	2059-01-23 14:57	< 1 min	0.0160437	0.0160423	0.0000005
MERCURY	2065-02-12 12:14	< 1 min	0.0354808	0.0354750	0.0000019
MERCURY	2068-01-06 14:10	< 1 min	0.0478801	0.0478707	0.0000031
MERCURY	2081-04-03 18:59	< 1 min	0.0287933	0.0287784	0.0000050
VENUS	2081-10-28 18:53	< 1 min	0.0432995	0.0432862	0.0000044
VENUS	2083-01-20 21:09	< 1 min	0.0219984	0.0219853	0.0000044
MERCURY	2084-02-25 11:36	< 1 min	0.0467016	0.0466827	0.0000063
MERCURY	2097-05-25 05:30	< 1 min	0.0322143	0.0322014	0.0000043
VENUS	2104-08-03 16:00	< 1 min	0.0421302	0.0421123	0.0000060
VENUS	2105-10-26 18:50	< 1 min	0.0252126	0.0251943	0.0000061
MERCURY	2110-08-23 12:24	< 1 min	0.0220237	0.0220162	0.0000025
MERCURY	2123-11-22 04:54	< 1 min	0.0221977	0.0221951	0.0000009

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