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33030 (1997 QB2)
Classification: Main-belt Asteroid          SPK-ID: 2033030
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .271111909039113 9.0651e-08  
a 2.418706235675399 1.811e-08 AU
q 1.762966170716635 2.2754e-07 AU
i 7.990272723908081 8.7341e-06 deg
node 357.2055402506045 4.7413e-05 deg
peri 9.796762260691297 4.8793e-05 deg
M 197.7125420181375 1.511e-05 deg
tp 2457619.877707332937
(2016-Aug-19.37770733)
6.2522e-05 JED
period 1373.956912090999
3.76
1.5431e-05
4.225e-08
d
yr
n .2620169503366178 2.9427e-09 deg/d
Q 3.074446300634164 2.302e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      11950 days (32.72 yr)  
   first obs. used      1982-09-27  
   last obs. used      2015-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62743  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:51:08  

Additional Information
 Earth MOID = .76208 AU 
 T_jup = 3.451 
[ 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 15.1 mag n/a MPO337532  

33030 (1997 QB2)          Discovered 1997-Aug-27 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 QB2 = 1982 SC11 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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