Asteroids

2019JX1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.605

Aphelion (Q)

1.412

Eccentricity (e)

0.400

Inclination (i)

17.0

deg

Orbit period (P)

369.8

Earth MOID

0.00026

U parameter

7.0

Next Earth close approach

Date

2081-09-29

Nominal distance (from Earth center)

0.19229

28766358

Maximum Brightness

29.6

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.9

mag

Diameter

4 - 10*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-05-03

Observatory

Palomar Mountain--ZTF

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

1.008359

1-sigma variation

0.000106

Unit

Eccentricity (e)

Value

0.399987

1-sigma variation

0.000182

Unit

Inclination (i)

Value

17.0233

1-sigma variation

0.0102

Unit

Long. of Ascending Node (Ω)

Value

221.5816

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

246.3607

1-sigma variation

0.0049

Unit

Mean Anomaly (M)

Value

238.38904

1-sigma variation

0.42387

Unit

Perihelion distance

Value

0.605029

1-sigma variation

Unit

Aphelion distance

Value

1.411689

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.000457

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.261980

1-sigma variation

Unit

MOID

Value

0.000264

1-sigma variation

Unit

Orbit Period

Value

369.8461

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.11427E-8	1.92157E-8	1.07175E-6	1.54335E-8	5.18027E-7	-4.47431E-5
e	1.92157E-8	3.31413E-8	1.84840E-6	2.66606E-8	8.93150E-7	-7.71604E-5
i	1.07175E-6	1.84840E-6	1.03092E-4	1.48646E-6	4.98173E-5	-4.30358E-3
Ω	1.54335E-8	2.66606E-8	1.48646E-6	2.20138E-8	7.15001E-7	-6.19770E-5
ω	5.18027E-7	8.93150E-7	4.98173E-5	7.15001E-7	2.40940E-5	-2.08010E-3
M	-4.47431E-5	-7.71604E-5	-4.30358E-3	-6.19770E-5	-2.08010E-3	1.79664E-1

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

28.915

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

4 - 10*

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

[-]

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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

2359

Unit

Source

[1]

Normalized RMS of residuals

Value

0.907849

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-05-03.211297

Unit

Source

[2]

Last Observation

Value

2019-05-08.551654

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (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 2019JX1 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	1950-05-02 04:53	> 1 d	0.0054053	0.0016624	0.0490961
EARTH	1951-04-30 13:11	1006.3	0.0791050	0.0026147	0.0546949
EARTH	1952-04-30 02:12	> 1 d	0.1645502	0.0096681	0.0548682
EARTH	2017-05-08 00:40	135.9	0.1696050	0.1618830	0.0025740
EARTH	2018-05-05 00:19	65.3	0.0841285	0.0801789	0.0013165
EARTH	2019-05-02 12:37	< 1 min	0.0012010	0.0011990	0.0000007
EARTH	2020-05-04 01:53	65.0	0.0699830	0.0663991	0.0011946
EARTH	2021-05-07 03:48	126.1	0.1438239	0.1370679	0.0022520
VENUS	2037-04-16 15:43	> 1 d	0.0338344	0.0119197	0.0200732
VENUS	2051-06-15 04:23	1310.4	0.0434672	0.0127708	0.0131015
EARTH	2081-09-29 04:39	> 1 d	0.1922912	0.1794220	0.0104762
EARTH	2082-10-05 10:41	> 1 d	0.1777481	0.1776911	0.0007062
EARTH	2083-10-13 05:08	> 1 d	0.1897033	0.1809677	0.0081912
VENUS	2100-01-16 11:08	172.2	0.0252404	0.0193151	0.0020593
EARTH	2100-04-30 10:27	45.5	0.1529625	0.1472897	0.0018913
EARTH	2101-05-01 02:23	52.9	0.0865662	0.0766254	0.0033139
EARTH	2102-05-02 20:50	164.3	0.0219182	0.0080219	0.0046338
EARTH	2103-05-04 21:07	156.6	0.0331641	0.0216589	0.0038397
EARTH	2104-05-06 09:26	83.4	0.0951066	0.0884888	0.0022063
EARTH	2105-05-09 03:34	7.5	0.1590893	0.1575456	0.0005147
VENUS	2114-03-13 07:50	> 1 d	0.0137436	0.0104847	0.0109601

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
89.97068556	118.43531391	0.00067181	MINIMUM
286.76476049	270.63588339	0.17857673	MINIMUM
8.01663997	16.94701683	0.43740129	SADDLE
188.41978159	190.57236315	0.51571565	SADDLE
2.92974792	189.10352513	1.60678690	SADDLE
178.24331206	3.60031975	2.37421847	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2019JX1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2102-05-03.357	88921.357	1.416	0.000	0.74 ± 0.000	4.07E6	8.52E-8	6.78E-3	-9.16	0


Based on 18 optical observations (of which 1 are rejected as outliers) from 2019/05/03.211 to 2019/05/08.552.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.27 and 1.27 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: