Asteroids

2019PS1

Last update: 2021-04-13 13:07 UTC

Orbital Properties

Epoch

59200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.901

Aphelion (Q)

2.195

Eccentricity (e)

0.418

Inclination (i)

2.2

deg

Orbit period (P)

703.6

days

Earth MOID

0.00504

Next Earth close approach

Date

2021-04-23

Nominal distance (from Earth center)

0.03949

5907009

Maximum Brightness

122.6

Orbit Visualiser

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Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.8

Diameter

15*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-08-10

Observatory

Palomar Mountain--ZTF

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period

Value

1-sigma variation

Unit

Epoch

Value

59200.0

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.548169

1-sigma variation

8.644E-4

Unit

Eccentricity (e)

Value

0.418064

1-sigma variation

3.722E-4

Unit

Inclination (i)

Value

2.178

1-sigma variation

0.001333

Unit

Ascending Node (Ω)

Value

144.25

1-sigma variation

0.001532

Unit

Arg. of Perihelion (ω)

Value

120.577

1-sigma variation

0.002201

Unit

Mean Anomaly (M)

Value

274.344

1-sigma variation

0.2335

Unit

Perihelion

Value

0.9009

1-sigma variation

Unit

Aphelion

Value

2.1954

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.63505

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.03972

1-sigma variation

Unit

MOID

Value

0.00504

1-sigma variation

Unit

Orbit Period

Value

703.6001

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.47208E-7	3.21771E-7	1.10160E-6	9.60611E-7	-1.56525E-6	-2.01857E-4
e	3.21771E-7	1.38566E-7	4.74164E-7	4.14278E-7	-6.75000E-7	-8.69257E-5
i	1.10160E-6	4.74164E-7	1.77814E-6	1.00261E-6	-1.83250E-6	-2.97611E-4
Ω	9.60611E-7	4.14278E-7	1.00261E-6	2.34682E-6	-3.29670E-6	-2.59462E-4
ω	-1.56525E-6	-6.75000E-7	-1.83250E-6	-3.29670E-6	4.84465E-6	4.22773E-4
M	-2.01857E-4	-8.69257E-5	-2.97611E-4	-2.59462E-4	4.22773E-4	5.45312E-2

Date of computation: 2021-03-11 23:50 UTC

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)

Taxononomy

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

26.806

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

15*

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

[-]

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

**Estimated value

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

days

Source

[1]

Unobserved

Value

611

Unit

days

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.585908

Unit

arcseconds

Source

[1]

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

[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 2019PS1 from 1950 to 2150

Body	Date	MJD	Nominal distance (au)	Min possible distance (au)	Stretching (au)	Width (au)	Close approach probability
EARTH	1967-08-20.80746	39722.8	0.1241367	0.0916720	9.411E-3	2.143E-7	1.00E0
EARTH	1969-05-14.47774	40355.5	0.0874521	0.0463491	1.142E-2	6.662E-6	1.00E0
MARS	1979-05-07.45446	44000.5	0.0375775	0.0011575	6.053E-2	7.235E-6	2.75E-1
EARTH	1994-07-15.07765	49548.1	0.0931573	0.0054082	6.092E-2	2.641E-6	7.92E-1
EARTH	1996-04-11.81854	50184.8	0.1432851	0.0327945	1.163E-1	6.916E-6	5.65E-1
EARTH	2019-08-09.71518	58704.7	0.0051594	0.0051594	3.828E-6	2.360E-8	1.00E0
EARTH	2021-04-23.00257	59327.0	0.0394859	0.0360640	9.772E-3	6.816E-6	1.00E0
EARTH	2044-08-15.20376	67842.2	0.0533006	0.0045840	1.644E-1	6.822E-8	4.05E-1
EARTH	2046-05-01.68289	68466.7	0.0505693	0.0362178	1.068E-1	6.792E-6	6.14E-1
EARTH	2071-08-06.04463	77694.0	0.0264003	0.0042891	3.705E-1	5.162E-7	1.80E-1
EARTH	2073-04-18.86584	78315.9	0.0699879	0.0364346	2.926E-2	7.031E-6	1.00E0
EARTH	2096-06-24.51931	86783.5	0.1182276	0.0037306	7.465E-1	3.712E-6	8.51E-2

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