Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
35681 (1999 BC2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2035681
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06010252197557295 9.2845e-08  
a 1.95767775813536 1.1753e-08 AU
q 1.840016387655939 1.834e-07 AU
i 17.49622191765416 1.2905e-05 deg
node 336.766531219916 2.1649e-05 deg
peri 325.3940660420744 9.028e-05 deg
M 42.57312628651885 8.9661e-05 deg
tp 2456682.184054363299
(2014-Jan-24.68405436)
0.00024911 JED
period 1000.484205518632
2.74
9.0095e-06
2.467e-08
d
yr
n .3598257703762378 3.2403e-09 deg/d
Q 2.075339128614781 1.2459e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      13897 days (38.05 yr)  
   first obs. used      1975-06-14  
   last obs. used      2013-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56941  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-06 00:02:42  

Additional Information
 Earth MOID = .839413 AU 
 T_jup = 3.826 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO266126  

35681 (1999 BC2)          Discovered 1999-Jan-16 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 BC2 = 1989 PK1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-16 04:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin