Asteroids

2019DS1 help

Last update: 2024-04-19 14:36 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.778

Aphelion (Q)

1.264

Eccentricity (e)

0.238

Inclination (i)

15.4

deg

Orbit period (P)

376.8

Earth MOID

0.00091

U parameter

1.7

Next Earth close approach

Date

2046-08-14

Nominal distance (from Earth center)

0.15444

23103768

Maximum Brightness

25.1

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

25.5

mag

Diameter

21 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-02-28

Observatory

Catalina Sky Survey

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

1.020972

1-sigma variation

4.389E-8

Unit

Eccentricity (e)

Value

0.237666

1-sigma variation

1.136E-7

Unit

Inclination (i)

Value

15.3852

1-sigma variation

7.798E-6

Unit

Long. of Ascending Node (Ω)

Value

157.8746

1-sigma variation

6.923E-6

Unit

Arg. of Perihelion (ω)

Value

263.2022

1-sigma variation

1.283E-5

Unit

Mean Anomaly (M)

Value

45.77015

1-sigma variation

0.00012

Unit

Perihelion distance

Value

0.778322

1-sigma variation

Unit

Aphelion distance

Value

1.263623

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.001207

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.072008

1-sigma variation

Unit

MOID

Value

0.000913

1-sigma variation

Unit

Orbit Period

Value

376.8074

1-sigma variation

Unit

U parameter

Value

1.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.92665E-15	7.53745E-16	9.22797E-14	-1.41379E-13	3.51324E-13	-5.36888E-12
e	7.53745E-16	1.28992E-14	7.83390E-13	-3.51033E-13	-9.61678E-13	-2.15500E-12
i	9.22797E-14	7.83390E-13	6.08017E-11	-2.64673E-11	-5.21131E-11	-2.54032E-10
Ω	-1.41379E-13	-3.51033E-13	-2.64673E-11	4.79313E-11	7.38761E-13	3.61389E-10
ω	3.51324E-13	-9.61678E-13	-5.21131E-11	7.38761E-13	1.64511E-10	-9.79822E-10
M	-5.36888E-12	-2.15500E-12	-2.54032E-10	3.61389E-10	-9.79822E-10	1.50039E-8

Date of computation: 2024-02-21 14:29 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

25.528

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

21 - 50*

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 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

390

Unit

Source

[1]

Unobserved

Value

1488

Unit

Source

[1]

Normalized RMS of residuals

Value

0.587263

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-02-28.38268

Unit

Source

[2]

Last Observation

Value

2020-03-24.237719

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

106 (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 2019DS1 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
EARTH	1952-02-26 03:46	91.2	0.0299102	0.0244053	0.0018351
EARTH	1967-08-28 17:24	16.5	0.0427914	0.0424465	0.0001157
EARTH	1970-02-26 13:57	< 1 min	0.0024055	0.0023939	0.0000039
EARTH	1990-08-16 11:06	< 1 min	0.1442418	0.1442057	0.0000120
EARTH	1991-09-05 01:23	2.0	0.1282204	0.1281848	0.0000119
EARTH	1994-02-23 08:47	< 1 min	0.1403232	0.1402830	0.0000134
EARTH	1995-03-03 16:26	< 1 min	0.1247832	0.1247435	0.0000132
EARTH	2015-08-25 03:33	< 1 min	0.0468531	0.0468529	0.0000001
EARTH	2019-02-26 19:23	< 1 s	0.0048558	0.0048557	0.0000000
EARTH	2020-03-05 14:29	< 1 min	0.1914659	0.1914646	0.0000004
EARTH	2046-08-14 05:40	< 1 min	0.1544392	0.1544070	0.0000107
EARTH	2047-08-27 19:06	1.5	0.0714817	0.0714600	0.0000072
EARTH	2051-02-24 17:06	< 1 min	0.1770662	0.1770263	0.0000133
EARTH	2052-02-27 21:40	< 1 min	0.0194661	0.0194249	0.0000137
EARTH	2077-08-20 23:10	29.1	0.0681234	0.0675736	0.0001845
EARTH	2078-09-10 19:24	60.0	0.1683687	0.1675587	0.0002702
EARTH	2082-02-26 16:12	15.9	0.0042541	0.0032411	0.0003377
EARTH	2083-03-03 20:59	320.7	0.1307515	0.1134493	0.0057675
EARTH	2120-08-12 09:27	> 1 w	0.1695348	0.0707543	0.1646767
EARTH	2121-08-21 21:09	> 1 w	0.0670378	0.0638031	0.0558642
EARTH	2122-09-04 03:56	> 1 w	0.1276329	0.0748295	0.1533443

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