Asteroids

2019JF1 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.980

Aphelion (Q)

1.551

Eccentricity (e)

0.226

Inclination (i)

1.6

deg

Orbit period (P)

520.2

Earth MOID

0.01020

U parameter

4.3

Next Earth close approach

Date

2029-07-03

Nominal distance (from Earth center)

0.04306

6441672

Maximum Brightness

19.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.8

mag

Diameter

50 - 110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-05-01

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.265896

1-sigma variation

0.000004

Unit

Eccentricity (e)

Value

0.225538

1-sigma variation

0.000002

Unit

Inclination (i)

Value

1.5816

1-sigma variation

1.446E-5

Unit

Long. of Ascending Node (Ω)

Value

269.0525

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

58.2605

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

276.81360

1-sigma variation

0.00719

Unit

Perihelion distance

Value

0.980389

1-sigma variation

Unit

Aphelion distance

Value

1.551404

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.057479

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.379742

1-sigma variation

Unit

MOID

Value

0.010202

1-sigma variation

Unit

Orbit Period

Value

520.2303

1-sigma variation

Unit

U parameter

Value

4.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.23708E-11	8.40000E-12	5.05721E-11	-1.47729E-11	-1.34919E-10	-2.53008E-8
e	8.40000E-12	5.70385E-12	3.43350E-11	-9.99341E-12	-9.16088E-11	-1.71797E-8
i	5.05721E-11	3.43350E-11	2.09051E-10	-1.07531E-10	-5.08129E-10	-1.03427E-7
Ω	-1.47729E-11	-9.99341E-12	-1.07531E-10	2.86442E-9	-2.66396E-9	3.01930E-8
ω	-1.34919E-10	-9.16088E-11	-5.08129E-10	-2.66396E-9	4.32475E-9	2.75914E-7
M	-2.53008E-8	-1.71797E-8	-1.03427E-7	3.01930E-8	2.75914E-7	5.17453E-5

Date of computation: 2026-03-17 23:26 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

23.758

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

50 - 110*

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

188

Unit

Source

[1]

Unobserved

Value

2348

Unit

Source

[1]

Normalized RMS of residuals

Value

0.531697

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-05-01.42969

Unit

Source

[2]

Last Observation

Value

2019-11-05.24764

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

139 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2019JF1 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1955-07-05 06:24	685.2	0.0332590	0.0253549	0.0026613
EARTH	1972-10-11 05:32	86.1	0.1699204	0.1664938	0.0011425
EARTH	1982-07-30 08:45	311.1	0.0303273	0.0298084	0.0001730
EARTH	1992-06-23 15:58	50.5	0.1323242	0.1306864	0.0005459
EARTH	2009-10-12 18:05	16.8	0.1908056	0.1900257	0.0002600
EARTH	2019-09-16 06:42	< 1 min	0.0286659	0.0286651	0.0000003
EARTH	2029-07-03 08:06	51.2	0.0430599	0.0423515	0.0002362
EARTH	2046-09-29 00:12	279.3	0.0418262	0.0393550	0.0008448
EARTH	2056-07-09 09:00	61.2	0.0159040	0.0156131	0.0000984
EARTH	2073-06-21 10:11	150.6	0.1820805	0.1758647	0.0020720
EARTH	2080-10-06 07:39	324.5	0.0822414	0.0755392	0.0022466
EARTH	2097-09-28 05:55	545.2	0.0330704	0.0301292	0.0010791
EARTH	2107-06-24 06:46	344.6	0.1766087	0.1626251	0.0046614
EARTH	2124-08-02 09:20	> 1 d	0.0324504	0.0250781	0.0024856

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
329.47796204	188.26448133	0.00997793	MINIMUM
23.55744449	256.36670823	0.02772090	MINIMUM
359.46890659	226.06775990	0.03974536	SADDLE
178.25184047	44.16813190	0.56352482	SADDLE
357.09837890	43.03019100	1.96889242	SADDLE
178.02209767	223.97590572	2.56420473	MAXIMUM

Download:

MOID Plots

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