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 ]  
100714 (1998 BM20)
Classification: Main-belt Asteroid          SPK-ID: 2100714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1059304401398702 5.3391e-08  
a 3.162882573079715 3.0032e-08 au
q 2.827837030002656 1.6139e-07 au
i 13.96544068573724 5.4563e-06 deg
node 118.3200060424298 2.2688e-05 deg
peri 194.5091974159909 3.4954e-05 deg
M 156.5547059446397 3.0108e-05 deg
tp 2458107.016255892334
(2017-Dec-19.51625589)
0.00016636 TDB
period 2054.579873137138
5.63
2.9262e-05
8.011e-08
d
yr
n .1752183036088619 2.4956e-09 deg/d
Q 3.497928116156774 3.3213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1998-01-22  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:39  

Additional Information
 Earth MOID = 1.81539 au 
 Jupiter MOID = 1.76809 au 
 T_jup = 3.150 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO417508  
diameter diameter 7.469 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100714 (1998 BM20)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 BM20 = 2004 CM64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-25 06:23 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin