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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06003595403642329 8.6379e-08  
a 1.957530935603817 1.1486e-08 AU
q 1.84000869832903 1.7003e-07 AU
i 17.49646827133981 1.1515e-05 deg
node 336.7667428434366 1.9293e-05 deg
peri 325.3319123029426 8.0945e-05 deg
M 114.6108618397972 8.1007e-05 deg
tp 2456682.018173282623
(2014-Jan-24.51817328)
0.00022481 JED
period 1000.371655685812
2.74
8.8049e-06
2.411e-08
d
yr
n .359866253660695 3.1674e-09 deg/d
Q 2.075053172878604 1.2176e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      14516 days (39.74 yr)  
   first obs. used      1975-06-14  
   last obs. used      2015-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55854  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:44:17  

Additional Information
 Earth MOID = .841271 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 14.7 mag n/a MPO319519  

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

Alternate Designations
 1999 BC2 = 1989 PK1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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