Asteroids

2019BV2 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.657

Aphelion (Q)

1.972

Eccentricity (e)

0.500

Inclination (i)

0.7

deg

Orbit period (P)

550.6

Earth MOID

0.00089

U parameter

7.1

Next Earth close approach

Date

2055-07-21

Nominal distance (from Earth center)

0.16571

24790372

Maximum Brightness

24.9

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-01-26

Observatory

Mt. Lemmon Survey

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.314639

1-sigma variation

0.000181

Unit

Eccentricity (e)

Value

0.499905

1-sigma variation

0.000178

Unit

Inclination (i)

Value

0.6580

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

134.8559

1-sigma variation

0.0428

Unit

Arg. of Perihelion (ω)

Value

82.0736

1-sigma variation

0.0386

Unit

Mean Anomaly (M)

Value

151.86951

1-sigma variation

0.56730

Unit

Perihelion distance

Value

0.657444

1-sigma variation

Unit

Aphelion distance

Value

1.971834

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.062560

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.042271

1-sigma variation

Unit

MOID

Value

0.000890

1-sigma variation

Unit

Orbit Period

Value

550.5646

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.26939E-8	3.21441E-8	1.01443E-7	7.74424E-6	-6.98120E-6	-1.02577E-4
e	3.21441E-8	3.16037E-8	9.97373E-8	7.61400E-6	-6.86377E-6	-1.00852E-4
i	1.01443E-7	9.97373E-8	3.14889E-7	2.40268E-5	-2.16592E-5	-3.18277E-4
Ω	7.74424E-6	7.61400E-6	2.40268E-5	1.83442E-3	-1.65368E-3	-2.42975E-2
ω	-6.98120E-6	-6.86377E-6	-2.16592E-5	-1.65368E-3	1.49075E-3	2.19034E-2
M	-1.02577E-4	-1.00852E-4	-3.18277E-4	-2.42975E-2	2.19034E-2	3.21834E-1

Date of computation: 2025-09-10 00:30 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

25.392

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

22 - 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 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

Unit

Source

[1]

Unobserved

Value

2423

Unit

Source

[1]

Normalized RMS of residuals

Value

0.654728

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-01-02.56738

Unit

Source

[2]

Last Observation

Value

2019-01-28.0915

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

50 (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

Close Approaches for 2019BV2 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1951-08-04 02:40	> 1 mo	0.0312389	0.0008950	0.6117165
EARTH	1954-08-06 10:21	> 1 mo	0.0792373	0.0007850	0.6327372
EARTH	1957-08-08 23:44	> 1 w	0.1342118	0.0006173	0.5531881
EARTH	1960-08-11 19:56	> 1 w	0.1966980	0.0003358	0.4414650
VENUS	1964-12-04 23:05	> 1 mo	0.0384889	0.0371514	0.0648373
VENUS	1992-02-22 10:48	> 1 d	0.0219161	0.0097897	0.0325347
MARS	1994-09-30 20:34	604.5	0.0425347	0.0396869	0.0080465
MARS	2007-06-14 02:15	399.0	0.0416944	0.0342908	0.0044486
EARTH	2013-01-21 10:11	101.4	0.1094047	0.1048787	0.0015087
EARTH	2016-01-26 13:25	639.5	0.0229287	0.0014921	0.0083637
EARTH	2019-01-28 21:04	< 1 s	0.0233659	0.0233332	0.0000109
EARTH	2022-02-02 22:29	882.1	0.1039148	0.0788535	0.0083541
EARTH	2055-07-21 02:30	> 1 d	0.1657134	0.1116360	0.0180258
EARTH	2058-07-28 02:51	1219.2	0.0926344	0.0585057	0.0113767
EARTH	2061-08-01 10:09	311.1	0.0236453	0.0143821	0.0030904
EARTH	2064-08-03 02:38	740.0	0.0097116	0.0010062	0.0097214
EARTH	2067-08-10 13:32	> 1 d	0.1382523	0.0007561	0.0658316
VENUS	2085-08-18 15:21	> 1 mo	0.0319628	0.0117154	0.3171350
EARTH	2105-01-23 06:29	> 1 mo	0.1091115	0.0017488	0.7165420
EARTH	2108-01-29 02:24	> 1 mo	0.0106548	0.0015366	0.7163223
EARTH	2111-01-29 04:36	> 1 mo	0.0042207	0.0015183	4.6393582
EARTH	2114-01-19 08:00	> 1 mo	0.1995095	0.0018734	172.3295656

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
62.80253096	208.33020540	0.00088934	MINIMUM
300.10815240	24.44686742	0.00146087	MINIMUM
2.21104102	117.26208843	0.34963863	SADDLE
180.73804510	295.55870887	0.97925980	SADDLE
2.17651318	297.22074321	1.65019920	SADDLE
180.74639456	115.56952818	2.97882195	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2019BV2

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2120-08-03.868	95588.868	2.707	0.000	1.21 ± 0.000	2.93E7	4.51E-10	1.13E0	-9.76	0


Based on 50 optical observations (of which 2 are rejected as outliers) from 2019/01/02.567 to 2019/01/28.091.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.24 and 1.24 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: