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10921 Romanozen (1998 BC2)
Classification: Main-belt Asteroid          SPK-ID: 2010921
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618469506326455 4.3837e-08  
a 2.251490748311325 1.0579e-08 AU
q 1.887093836319524 9.8377e-08 AU
i 4.844361383124891 7.4582e-06 deg
node 345.3654222534472 5.9033e-05 deg
peri 70.59503171896826 6.4816e-05 deg
M 44.44403153199408 2.5394e-05 deg
tp 2456848.159764286033
(2014-Jul-09.65976429)
8.6725e-05 JED
period 1233.967373494198
3.38
8.6967e-06
2.381e-08
d
yr
n .2917419112797092 2.0561e-09 deg/d
Q 2.615887660303126 1.2291e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      22454 days (61.48 yr)  
   first obs. used      1953-12-07  
   last obs. used      2015-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49701  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:10:08  

Additional Information
 Earth MOID = .904723 AU 
 T_jup = 3.605 
[ 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 MPO337350  

10921 Romanozen           Discovered 1998 Jan. 17 at Madonna di Dossobuono.
Romano Zen (b. 1946) is famous in Italy and abroad for his high-quality optical instruments. He works in a laboratory in Venice and has made some thousands of optical instruments for amateur and professional astronomers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1998 BC2 = 1953 XV1 = 1973 UY3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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