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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .271111914966466 9.1319e-08  
a 2.41870623546951 1.8112e-08 AU
q 1.762966156230039 2.2912e-07 AU
i 7.99027153115619 8.9089e-06 deg
node 357.2055426655724 4.7549e-05 deg
peri 9.796758726661443 4.8969e-05 deg
M 197.7125427343134 1.5184e-05 deg
tp 2457619.877704520533
(2016-Aug-19.37770452)
6.2792e-05 JED
period 1373.956911915564
3.76
1.5433e-05
4.225e-08
d
yr
n .2620169503700736 2.9431e-09 deg/d
Q 3.074446314708981 2.3023e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      11924 days (32.65 yr)  
   first obs. used      1982-09-27  
   last obs. used      2015-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .63698  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:08:44  

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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