Asteroids

2019PS1 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.901

Aphelion (Q)

2.193

Eccentricity (e)

0.418

Inclination (i)

2.2

deg

Orbit period (P)

702.7

Earth MOID

0.00471

U parameter

7.9

Next Earth close approach

Date

2044-08-15

Nominal distance (from Earth center)

0.05161

7721167

Maximum Brightness

22.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.7

mag

Diameter

12 - 27*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-08-10

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.546841

1-sigma variation

0.001111

Unit

Eccentricity (e)

Value

0.417800

1-sigma variation

0.000448

Unit

Inclination (i)

Value

2.1723

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

143.7065

1-sigma variation

0.1193

Unit

Arg. of Perihelion (ω)

Value

121.1805

1-sigma variation

0.1035

Unit

Mean Anomaly (M)

Value

218.92645

1-sigma variation

1.32424

Unit

Perihelion distance

Value

0.900571

1-sigma variation

Unit

Aphelion distance

Value

2.193111

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.642088

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.036796

1-sigma variation

Unit

MOID

Value

0.004713

1-sigma variation

Unit

Orbit Period

Value

702.6954

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.23474E-6	4.97383E-7	-1.87021E-7	-1.32613E-4	1.15030E-4	-1.47147E-3
e	4.97383E-7	2.00359E-7	-7.55691E-8	-5.34194E-5	4.63359E-5	-5.92745E-4
i	-1.87021E-7	-7.55691E-8	1.83836E-7	1.97497E-5	-1.70272E-5	2.22887E-4
Ω	-1.32613E-4	-5.34194E-5	1.97497E-5	1.42437E-2	-1.23553E-2	1.58039E-1
ω	1.15030E-4	4.63359E-5	-1.70272E-5	-1.23553E-2	1.07174E-2	-1.37084E-1
M	-1.47147E-3	-5.92745E-4	2.22887E-4	1.58039E-1	-1.37084E-1	1.75360E0

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

26.676

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

12 - 27*

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

0.9

Unit

Source

[1]

Unobserved

Value

2425

Unit

Source

[1]

Normalized RMS of residuals

Value

0.584648

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-08-10.30895

Unit

Source

[2]

Last Observation

Value

2019-08-11.258738

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

49 (2)

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 2019PS1 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	1967-08-20 19:30	652.9	0.1242242	0.1013304	0.0076320
EARTH	1969-05-14 12:44	> 1 d	0.0875545	0.0605714	0.0094089
MARS	1979-05-07 11:29	> 1 d	0.0381926	0.0012291	0.0587876
EARTH	1994-07-15 10:00	> 1 mo	0.0925256	0.0027967	0.0615968
EARTH	1996-04-11 21:33	> 1 w	0.1421169	0.0325577	0.1132070
EARTH	2019-08-09 17:09	< 1 s	0.0051593	0.0051478	0.0000038
EARTH	2021-04-22 23:45	> 1 d	0.0395270	0.0360619	0.0039921
EARTH	2044-08-15 01:05	> 1 w	0.0516128	0.0041844	0.1633074
EARTH	2046-05-01 11:07	> 1 w	0.0498192	0.0362935	0.0710515
EARTH	2071-08-06 17:50	> 1 mo	0.0224721	0.0040484	0.3957297
EARTH	2073-04-18 18:44	> 1 w	0.0704046	0.0343036	0.1199315
EARTH	2096-06-08 05:54	> 1 mo	0.1181298	0.0773987	0.9429741
EARTH	2119-08-13 18:29	> 1 mo	0.0163233	0.0035454	6.9898273
EARTH	2121-05-01 13:45	> 1 mo	0.0452292	0.0364886	8.0507142

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
34.76674187	216.24736760	0.00453401	MINIMUM
326.33077177	112.07857803	0.03601454	MINIMUM
0.01743992	163.29743590	0.12145132	SADDLE
180.20411783	343.84695845	1.20982004	SADDLE
0.59824083	344.23175835	1.88397186	SADDLE
180.30207097	163.91339243	3.21021343	MAXIMUM

Download:

MOID Plots

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