Asteroids

2019BO help

Last update: 2024-05-15 18:30 UTC

Orbital Properties

Epoch

60400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.946

Aphelion (Q)

2.325

Eccentricity (e)

0.421

Inclination (i)

2.8

deg

Orbit period (P)

764.2

Earth MOID

0.00072

U parameter

6.9

Next Earth close approach

Date

2042-01-27

Nominal distance (from Earth center)

0.0682

10202599

Maximum Brightness

24.6

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

28.1

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-01-17

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

1.635782

1-sigma variation

0.000328

Unit

Eccentricity (e)

Value

0.421496

1-sigma variation

0.000121

Unit

Inclination (i)

Value

2.7892

1-sigma variation

0.0007

Unit

Long. of Ascending Node (Ω)

Value

295.5878

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

150.0795

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

186.70070

1-sigma variation

0.27479

Unit

Perihelion distance

Value

0.946307

1-sigma variation

Unit

Aphelion distance

Value

2.325257

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.102351

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.002316

1-sigma variation

Unit

MOID

Value

0.000720

1-sigma variation

Unit

Orbit Period

Value

764.1639

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.07592E-7	3.96543E-8	2.17594E-7	-4.83676E-9	-1.51139E-7	-9.01347E-5
e	3.96543E-8	1.46152E-8	8.01975E-8	-1.74504E-9	-5.57528E-8	-3.32203E-5
i	2.17594E-7	8.01975E-8	4.40087E-7	-9.55437E-9	-3.05965E-7	-1.82289E-4
Ω	-4.83676E-9	-1.74504E-9	-9.55437E-9	1.36647E-8	-1.04217E-8	4.05114E-6
ω	-1.51139E-7	-5.57528E-8	-3.05965E-7	-1.04217E-8	2.34701E-7	1.26617E-4
M	-9.01347E-5	-3.32203E-5	-1.82289E-4	4.05114E-6	1.26617E-4	7.55101E-2

Date of computation: 2024-04-23 10:08 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

28.086

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

6 - 14*

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

Unit

Source

[1]

Unobserved

Value

1926

Unit

Source

[1]

Normalized RMS of residuals

Value

0.501133

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-01-17.25468

Unit

Source

[2]

Last Observation

Value

2019-02-05.439843

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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 2019BO 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	1962-11-01 09:04	> 1 d	0.0200575	0.0200497	0.0002282
EARTH	1990-12-08 04:16	> 1 w	0.0573902	0.0573715	0.0001074
EARTH	2019-01-16 01:12	< 1 min	0.0004594	0.0004589	0.0000002
EARTH	2042-01-27 22:08	> 1 d	0.0682002	0.0023788	0.0396473
EARTH	2062-11-09 17:37	> 1 w	0.0605158	0.0425953	0.0445640
EARTH	2085-11-19 09:12	> 1 w	0.0414077	0.0410815	0.0096005
EARTH	2108-11-05 07:23	> 1 mo	0.0914087	0.0439936	0.5046974

Download as:

2019BO

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS
2067-01-16.232	76031.232	-2.540	1.80 ± 0.001	1.43E4	7.06E-7	1.01E-8	-7.75
2073-01-15.562	78222.562	-1.896	1.14 ± 0.027	6.31E6	3.05E-8	4.37E-10	-9.17
2073-01-15.625	78222.625	-2.089	0.19 ± 0.004	1.22E6	1.34E-7	1.92E-9	-8.52
2074-01-15.883	78587.883	-1.713	0.33 ± 0.018	1.71E6	1.93E-7	2.77E-9	-8.37
2078-01-15.967	80048.967	-1.621	1.06 ± 0.001	9.42E4	3.40E-6	4.87E-8	-7.16
2083-01-16.169	81875.169	-1.770	1.37 ± 0.000	5.81E5	3.49E-7	4.99E-9	-8.19
2086-01-15.927	82970.927	-0.980	1.57 ± 0.001	1.88E5	2.48E-6	3.55E-8	-7.35
2099-01-16.079	87719.079	-1.072	0.55 ± 0.014	2.47E6	3.19E-7	4.56E-9	-8.33
2105-01-16.583	89910.583	-0.978	1.58 ± 0.000	1.22E7	3.90E-8	5.57E-10	-9.27


Based on 21 optical observations (of which 0 are rejected as outliers) from 2019/01/17.255 to 2019/02/05.440.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.83 and 1.83 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20240110 090432.023 UTC.

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