Asteroids

137924 2000BD19 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.092

Aphelion (Q)

1.661

Eccentricity (e)

0.895

Inclination (i)

25.7

deg

Orbit period (P)

299.7

Earth MOID

0.09040

U parameter

0.6

A₂

-6.8

10^-15au/days²

Next Earth close approach

Date

2029-02-13

Nominal distance (from Earth center)

0.10976

16419419

Maximum Brightness

15.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.5

mag

Diameter

970

Taxonomic type

Rotation period (T)

10.57

Discovery Information

Discovery Date

2000-01-26

Observatory

Lincoln Laboratory ETS, New Mexico

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.876446

1-sigma variation

5.037E-9

Unit

Eccentricity (e)

Value

0.894950

1-sigma variation

2.339E-8

Unit

Inclination (i)

Value

25.7429

1-sigma variation

2.868E-6

Unit

Long. of Ascending Node (Ω)

Value

333.6810

1-sigma variation

2.747E-6

Unit

Arg. of Perihelion (ω)

Value

324.3596

1-sigma variation

4.496E-6

Unit

Mean Anomaly (M)

Value

92.96796

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.092070

1-sigma variation

Unit

Aphelion distance

Value

1.660821

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.908976

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.349948

1-sigma variation

Unit

MOID

Value

0.090396

1-sigma variation

Unit

Orbit Period

Value

299.6995

1-sigma variation

Unit

U parameter

Value

0.6

1-sigma variation

Unit

A₂

Value

-6.78190

1-sigma variation

1.85538

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₂
a	2.53747E-17	-2.34077E-18	5.34002E-15	-5.31139E-15	6.77427E-15	-7.43926E-14	9.31782E-9
e	-2.34077E-18	5.47161E-16	5.73897E-14	-1.95967E-14	7.60569E-14	3.66856E-14	-1.58452E-9
i	5.34002E-15	5.73897E-14	8.22536E-12	-4.37567E-12	9.77691E-12	-1.15220E-11	1.83345E-6
Ω	-5.31139E-15	-1.95967E-14	-4.37567E-12	7.54838E-12	-1.02637E-11	9.44179E-12	-2.13759E-6
ω	6.77427E-15	7.60569E-14	9.77691E-12	-1.02637E-11	2.02099E-11	-1.03367E-11	2.73435E-6
M	-7.43926E-14	3.66856E-14	-1.15220E-11	9.44179E-12	-1.03367E-11	2.24208E-10	-2.71655E-5
A₂	9.31782E-9	-1.58452E-9	1.83345E-6	-2.13759E-6	2.73435E-6	-2.71655E-5	3.44243E0

Date of computation: 2025-07-29 02:36 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

10.57

Unit

Source

[5]

Quality

Value

Unit

Source

[5]

Amplitude

Value

0.69

Unit

mag

Source

[5]

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

[1]

[2]

Taxonomy (all)

Value

Unit

Source

[3]

[4]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

17.521

Unit

mag

Source

[6]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[6]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.247

Unit

Source

[8]

[9]

Diameter

Value

970

Unit

Source

[7]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Visual S

Radar R

Unit

Source

[10]

[11]

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Sources

No.	Name	Additional
[1]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[2]	EARN	1.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)
[3]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[4]	EARN	1.) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs) 2.) Thomas, C.A. et al. (2014) Icarus 228, 217-246. (Physical characterization of Warm Spitzer-observed near-Earth objects)
[5]	EARN	1.) Warner, B.D. (2015) MPB 42, 172-183. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2015 JANUARY - MARCH)(35NEAs)
[6]	ESA Aegis	ESA orbit determination and impact monitoring system
[7]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs) 2.) Campins, H. et al. (2009) Earth Moon and Planets 105, 159-165. (Low perihelion near-Earth asteroids)
[8]	EARN	1.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.
[9]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs) 2.) Thomas, C.A. et al. (2011) Astron. J. 142, 85. (ExploreNEOs. V. AVERAGE ALBEDO BY TAXONOMIC COMPLEX IN THE NEAR-EARTH ASTEROID POPULATION) (new albedos data for 118 NEOs) 3.) Campins, H. et al. (2009) Earth Moon and Planets 105, 159-165. (Low perihelion near-Earth asteroids)
[10]	EARN	1.) Reddy, V. et al. (2007) LPSC 38, 1238. (Mineralogical investigation and thermal modelling of near-Earth asteroids (11405) 1999 CV3, 2000 BD19, 2003 SA224 and 2005 YY93)
[11]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

10201

Unit

Source

[1]

Unobserved

Value

211

Unit

Source

[1]

Normalized RMS of residuals

Value

0.555558

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1997-02-10.43403

Unit

Source

[2]

Last Observation

Value

2025-01-15.644271

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

1165 (3)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2006-02-26

Unit

Source

[3]

Last Observation

Value

2020-02-09

Unit

Source

[3]

Delay (Discarded)

Value

7 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

7 (0)

Unit

Source

[1]

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
[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 137924 2000BD19 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	1956-02-09 12:55	< 1 min	0.1166095	0.1165990	0.0000035
EARTH	1965-02-13 05:17	< 1 min	0.1088920	0.1088856	0.0000022
EARTH	1988-02-09 13:34	< 1 min	0.1186615	0.1186593	0.0000007
EARTH	1997-02-13 09:37	< 1 min	0.1076701	0.1076694	0.0000002
EARTH	2020-02-09 23:04	< 1 s	0.1142127	0.1142127	0.0000000
EARTH	2029-02-13 18:36	< 1 s	0.1097570	0.1097564	0.0000002
EARTH	2052-02-10 08:10	< 1 min	0.1105001	0.1104954	0.0000016
EARTH	2061-02-14 00:27	< 1 min	0.1099516	0.1099446	0.0000023
EARTH	2084-02-10 06:38	< 1 min	0.1137995	0.1137832	0.0000054
EARTH	2093-02-13 21:58	< 1 min	0.1029425	0.1029259	0.0000055
EARTH	2102-02-18 02:22	< 1 min	0.1985864	0.1985525	0.0000113
EARTH	2116-02-10 13:06	< 1 min	0.1293241	0.1292867	0.0000125
EARTH	2125-02-14 04:41	< 1 min	0.0896858	0.0896703	0.0000052

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
263.53884536	40.08532366	0.09039552	MINIMUM
95.80497452	354.56113513	0.37140803	MINIMUM
176.21689808	17.55623857	0.75257071	SADDLE
356.31901174	183.95993705	0.92865989	SADDLE
356.73181223	6.07007764	1.07227153	SADDLE
180.92371821	198.60889012	2.65576754	MAXIMUM

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MOID Plots

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