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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2711484489713935 8.9708e-08  
a 2.419049749029498 1.8077e-08 au
q 1.763128161595511 2.2534e-07 au
i 7.990019816581267 8.4946e-06 deg
node 357.202122340732 4.7395e-05 deg
peri 9.757447517122694 4.874e-05 deg
M 302.5702848855078 1.5857e-05 deg
tp 2457619.729901107385
(2016-Aug-19.22990111)
6.2298e-05 JED
period 1374.249623932795
3.76
1.5404e-05
4.217e-08
d
yr
n .2619611413607381 2.9364e-09 deg/d
Q 3.074971336463485 2.2978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      12011 days (32.88 yr)  
   first obs. used      1982-09-27  
   last obs. used      2015-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62362  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 15:22:49  

Additional Information
 Earth MOID = .760346 au 
 Jupiter MOID = 2.38348 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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