Asteroids

2019BB5 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.606

Aphelion (Q)

1.067

Eccentricity (e)

0.276

Inclination (i)

1.5

deg

Orbit period (P)

279.4

Earth MOID

0.00609

U parameter

6.7

Next Earth close approach

Date

2032-02-08

Nominal distance (from Earth center)

0.023

3441240

Maximum Brightness

20.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.6

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-01-30

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

0.836320

1-sigma variation

0.000046

Unit

Eccentricity (e)

Value

0.275572

1-sigma variation

0.000181

Unit

Inclination (i)

Value

1.5403

1-sigma variation

0.0012

Unit

Long. of Ascending Node (Ω)

Value

334.6648

1-sigma variation

0.0574

Unit

Arg. of Perihelion (ω)

Value

308.7882

1-sigma variation

0.0625

Unit

Mean Anomaly (M)

Value

189.63466

1-sigma variation

0.35228

Unit

Perihelion distance

Value

0.605854

1-sigma variation

Unit

Aphelion distance

Value

1.066786

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.351869

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.056429

1-sigma variation

Unit

MOID

Value

0.006089

1-sigma variation

Unit

Orbit Period

Value

279.3555

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.07523E-9	-8.22416E-9	-5.34167E-8	2.61417E-6	-2.84745E-6	-1.60481E-5
e	-8.22416E-9	3.25965E-8	2.11764E-7	-1.03610E-5	1.12850E-5	6.36001E-5
i	-5.34167E-8	2.11764E-7	1.37649E-6	-6.73113E-5	7.33069E-5	4.13105E-4
Ω	2.61417E-6	-1.03610E-5	-6.73113E-5	3.29339E-3	-3.58712E-3	-2.02161E-2
ω	-2.84745E-6	1.12850E-5	7.33069E-5	-3.58712E-3	3.90713E-3	2.20199E-2
M	-1.60481E-5	6.36001E-5	4.13105E-4	-2.02161E-2	2.20199E-2	1.24102E-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

26.552

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

13 - 29*

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

[-]

Download this part as:

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

2412

Unit

Source

[1]

Normalized RMS of residuals

Value

0.361783

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-01-30.35613

Unit

Source

[2]

Last Observation

Value

2019-02-07.88486

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

62 (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

[-]

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 2019BB5 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	1952-02-10 15:41	1270.6	0.1997305	0.0950796	0.0349715
EARTH	1955-02-06 15:59	> 1 w	0.0318210	0.0083581	0.0530549
EARTH	1957-12-02 06:51	> 1 w	0.0391697	0.0266114	0.0339765
VENUS	1967-06-10 21:35	> 1 d	0.0464356	0.0464258	0.0004913
EARTH	1971-02-11 21:39	670.6	0.1338287	0.0815905	0.0174412
EARTH	1974-01-20 16:26	> 1 d	0.0730653	0.0577692	0.0050987
EARTH	1976-11-26 08:29	4.9	0.0420538	0.0289317	0.0058914
EARTH	1990-02-06 14:14	> 1 d	0.0313462	0.0079153	0.0202084
EARTH	1992-11-26 23:23	1146.3	0.0285820	0.0266070	0.0049450
VENUS	1999-06-08 09:13	> 1 d	0.0473023	0.0469282	0.0014542
EARTH	2003-02-12 19:37	197.9	0.1034763	0.0725587	0.0103132
EARTH	2005-12-24 22:26	> 1 d	0.0815775	0.0761098	0.0018469
EARTH	2008-11-27 09:16	253.3	0.1792373	0.1569375	0.0074446
EARTH	2019-02-07 10:17	< 1 min	0.0284363	0.0283763	0.0000200
EARTH	2021-11-25 17:29	86.4	0.0477001	0.0414285	0.0021701
EARTH	2032-02-08 21:05	1332.7	0.0230033	0.0071018	0.0058213
EARTH	2034-11-25 06:44	161.7	0.0830417	0.0824092	0.0002111
EARTH	2042-02-12 01:25	719.2	0.1472377	0.0821808	0.0216917
EARTH	2044-12-08 22:11	> 1 w	0.0630341	0.0282420	0.0170884
EARTH	2055-01-31 11:10	> 1 w	0.0555943	0.0031699	0.0341123
EARTH	2057-11-25 14:24	1400.9	0.1457778	0.0275503	0.0443800
EARTH	2065-02-12 12:27	164.9	0.0598714	0.0047819	0.0199057
VENUS	2065-04-04 16:12	> 1 d	0.0475375	0.0474995	0.0009583
EARTH	2067-11-27 00:35	1037.6	0.0265940	0.0261846	0.0018122
EARTH	2078-01-08 13:03	> 1 w	0.0856016	0.0782585	0.0024823
EARTH	2088-02-13 03:53	205.0	0.0421991	0.0037443	0.0149309
EARTH	2090-11-27 12:28	9.8	0.0263032	0.0261375	0.0003251
EARTH	2101-01-13 09:27	> 1 w	0.0836311	0.0678219	0.0053218
EARTH	2111-02-14 02:02	1143.8	0.0481016	0.0019975	0.0469871
EARTH	2113-11-28 08:17	> 1 d	0.0258743	0.0258721	0.0001864
EARTH	2124-01-27 01:38	> 1 mo	0.0668206	0.0044270	0.0503608

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
229.31747036	38.79766666	0.00609241	MINIMUM
130.68145871	323.60843713	0.02658950	MINIMUM
179.13870723	0.56910930	0.08589429	SADDLE
359.73852624	180.90456110	0.41081606	SADDLE
359.85760398	1.06605195	1.58938547	SADDLE
179.97017481	181.18579201	2.08295601	MAXIMUM

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MOID Plots

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