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31240 Katrianne (1998 DB2)
Classification: Main-belt Asteroid          SPK-ID: 2031240
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807295825039401 7.2531e-08  
a 2.793325583154549 3.2468e-08 AU
q 2.288489016713453 1.9851e-07 AU
i 7.337331507492918 7.5144e-06 deg
node 2.863684660970942 5.1077e-05 deg
peri 104.6529720426578 5.9524e-05 deg
M 211.4896158843574 2.8778e-05 deg
tp 2457503.952999666638
(2016-Apr-25.45299967)
0.00014224 JED
period 1705.221364741697
4.67
2.973e-05
8.14e-08
d
yr
n .2111162852188003 3.6808e-09 deg/d
Q 3.298162149595646 3.8335e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      6482 days (17.75 yr)  
   first obs. used      1996-10-06  
   last obs. used      2014-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52555  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 13:04:18  

Additional Information
 Earth MOID = 1.31799 AU 
 T_jup = 3.292 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO229257  

31240 Katrianne           Discovered 1998 Feb. 20 by G. Lehmann at Volkssternwarte Drebach.
Katrin Susanne Lehmann, wife of the discoverer, is a committed teacher of physics and astronomy, as well as the caring mother of two sons. Her love and support made possible the discovery of many minor planets at the Drebach Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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