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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2711119367368198 9.9377e-08  
a 2.418706234880654 1.8122e-08 AU
q 1.762966103144739 2.4811e-07 AU
i 7.990265504026885 1.0013e-05 deg
node 357.2055655310772 5.1069e-05 deg
peri 9.796731581074955 5.2949e-05 deg
M 197.7125455018708 1.6129e-05 deg
tp 2457619.877693731830
(2016-Aug-19.37769373)
6.6199e-05 JED
period 1373.956911413811
3.76
1.5441e-05
4.228e-08
d
yr
n .2620169504657593 2.9447e-09 deg/d
Q 3.074446366616569 2.3035e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      11808 days (32.33 yr)  
   first obs. used      1982-09-27  
   last obs. used      2015-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63105  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 14:28:55  

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 15.2 mag n/a MPO253584  

33030 (1997 QB2)          Discovered 1997-Aug-27 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
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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