Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
79905 (1999 BH20)
Classification: Main-belt Asteroid          SPK-ID: 2079905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1489954981388614 4.4614e-08  
a 2.776348595094327 1.7691e-08 au
q 2.36268515316112 1.2514e-07 au
i 13.42938948417679 5.8475e-06 deg
node 39.28245726068948 1.6362e-05 deg
peri 311.0409755412778 2.3962e-05 deg
M 326.5272573380078 1.9839e-05 deg
tp 2459157.607969905324
(2020-Nov-04.10796991)
9.3924e-05 TDB
period 1689.699279710898
4.63
1.615e-05
4.422e-08
d
yr
n .213055662816874 2.0364e-09 deg/d
Q 3.190012037027534 2.0326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      905  
   data-arc span      7851 days (21.49 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:03:50  

Additional Information
 Earth MOID = 1.38244 au 
 Jupiter MOID = 2.33285 au 
 T_jup = 3.279 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO395719  
diameter diameter 3.958 km 0.485 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.196   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79905 (1999 BH20)          Discovered 1999-Jan-16 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 BH20 = 2002 RK63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-07 04:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin