Asteroids

2019FB2

Last update: 2021-06-20 23:50 UTC

Orbital Properties

Epoch

59400.0

MJD

Orbit type

Aten

Perihelion (q)

0.59

Aphelion (Q)

1.258

Eccentricity (e)

0.362

Inclination (i)

11.3

deg

Orbit period (P)

324.3

days

Earth MOID

0.00074

Next Earth close approach

Date

2027-03-29

Nominal distance (from Earth center)

0.04541

6793154

Maximum Brightness

22.3

Orbit Visualiser

Click the button to start Orbit Visualiser

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.5

Diameter

18*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-03-31

Observatory

Catalina Sky Survey

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

59400.0

1-sigma variation

Unit

MJD

Semimajor Axis

Value

9.239E-1

1-sigma variation

3.41163E-5

Unit

Eccentricity (e)

Value

0.361522745892201

1-sigma variation

1.74452E-4

Unit

Inclination (i)

Value

11.28

1-sigma variation

7.229E-3

Unit

Ascending Node (Ω)

Value

188.33

1-sigma variation

9.128E-5

Unit

Arg. of Perihelion (ω)

Value

237.47

1-sigma variation

1.405E-3

Unit

Mean Anomaly (M)

Value

281.59

1-sigma variation

7.481E-2

Unit

Perihelion

Value

5.899E-1

1-sigma variation

Unit

Aphelion

Value

1.26

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-1.563E-3

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-3.295E-1

1-sigma variation

Unit

MOID

Value

7.445E-4

1-sigma variation

Unit

Orbit Period

Value

324.35

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.16392E-9	5.94996E-9	2.46572E-7	-3.07792E-9	4.78039E-8	-2.55232E-6
e	5.94996E-9	3.04336E-8	1.26117E-6	-1.56880E-8	2.43943E-7	-1.30491E-5
i	2.46572E-7	1.26117E-6	5.22635E-5	-6.50135E-7	1.01098E-5	-5.40766E-4
Ω	-3.07792E-9	-1.56880E-8	-6.50135E-7	8.33122E-9	-1.27573E-7	6.74483E-6
ω	4.78039E-8	2.43943E-7	1.01098E-5	-1.27573E-7	1.97395E-6	-1.04785E-4
M	-2.55232E-6	-1.30491E-5	-5.40766E-4	6.74483E-6	-1.04785E-4	5.59703E-3

Date of computation: 2021-06-17 09:25 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

26.479

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

18*

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

805

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

0.623463

Unit

arcseconds

Source

[1]

First Observation

Value

2019-03-31.24167

Unit

Source

[2]

Last Observation

Value

2019-04-07.32833

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

76 (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 2019FB2 from 1950 to 2150

Body	Date	MJD	Nominal distance (au)	Min possible distance (au)	Stretching (au)	Width (au)	Close approach probability
EARTH	1953-04-03.18900	34470.2	0.1818913	0.0003587	1.753E-1	8.302E-8	3.80E-1
EARTH	1960-03-30.56544	37023.6	0.0797529	0.0003767	1.037E-1	2.541E-8	6.43E-1
EARTH	1967-03-29.72868	39578.7	0.0043672	0.0001669	1.230E-3	2.264E-8	1.00E0
EARTH	1982-03-29.36105	45057.4	0.0523389	0.0001161	1.077E-2	1.625E-8	1.00E0
EARTH	1997-04-05.11903	50543.1	0.1558918	0.1332473	7.063E-3	3.229E-7	1.00E0
EARTH	1998-08-03.14373	51028.1	0.1807978	0.1788832	7.327E-3	2.783E-6	1.00E0
EARTH	2004-04-01.26462	53096.3	0.1276854	0.1079421	6.074E-3	4.561E-8	1.00E0
EARTH	2019-03-29.87545	58571.9	0.0054884	0.0054788	3.169E-6	1.102E-8	1.00E0
EARTH	2027-03-29.57405	61493.6	0.0454094	0.0368087	2.596E-3	1.025E-8	1.00E0
EARTH	2035-04-02.89008	64419.9	0.1367833	0.1293553	2.419E-3	2.071E-7	1.00E0
EARTH	2044-08-01.90055	67828.9	0.1758845	0.1758617	2.918E-3	2.239E-6	1.00E0
EARTH	2066-04-01.40882	75741.4	0.1090645	0.1054224	1.194E-3	4.300E-8	1.00E0
EARTH	2074-03-29.84771	78660.8	0.0091595	0.0071966	5.934E-4	3.304E-8	1.00E0
EARTH	2082-04-02.25907	81586.3	0.1319162	0.0807254	1.376E-2	3.935E-8	1.00E0
EARTH	2100-08-06.47078	88286.5	0.1744233	0.1731774	5.140E-2	2.981E-6	6.46E-1
EARTH	2107-04-03.36675	90717.4	0.1332539	0.0022044	5.598E-2	1.944E-7	6.99E-1
EARTH	2115-03-30.75949	93635.8	0.0252023	0.0022697	6.697E-2	2.280E-8	9.35E-1
EARTH	2123-03-31.48487	96558.5	0.0258350	0.0021636	1.211E-1	3.247E-8	5.51E-1
EARTH	2131-04-04.70756	99484.7	0.1621353	0.0024189	8.126E-2	5.575E-8	5.78E-1
EARTH	2141-07-31.79277	103255.8	0.1852475	0.1728092	3.534E-1	2.860E-6	9.46E-2
EARTH	2148-04-11.79774	105701.8	0.1932138	0.0025793	4.108E-1	6.914E-7	1.59E-1
EARTH	2149-08-12.19895	106189.2	0.1874112	0.1727932	5.806E-1	2.977E-6	5.56E-2

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