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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2709352598023861 1.0006e-07  
a 2.419078875896328 1.7067e-08 AU
q 1.763665112172892 2.4872e-07 AU
i 7.989359478996309 1.0512e-05 deg
node 357.2055757936184 5.4512e-05 deg
peri 9.824814298145686 5.6496e-05 deg
M 145.2714496279781 1.6382e-05 deg
tp 2456245.936553606892
(2012-Nov-14.43655361)
5.9293e-05 JED
period 1374.27444424062
3.76
1.4544e-05
3.982e-08
d
yr
n .2619564101688032 2.7723e-09 deg/d
Q 3.074492639619764 2.1691e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      437  
   data-arc span      11475 days (31.42 yr)  
   first obs. used      1982-09-27  
   last obs. used      2014-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .64945  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:32:07  

Additional Information
 Earth MOID = .761347 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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