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JPL Small-Body Database Browser
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257515 Zapperudi (1997 CD6)
Classification: Main-belt Asteroid          SPK-ID: 2257515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506482022122618 6.289e-08  
a 2.796041645205191 2.1682e-08 au
q 2.374822998044414 1.755e-07 au
i 12.07229258047095 5.8912e-06 deg
node 137.6408342748653 2.5761e-05 deg
peri 58.90263942425905 3.0863e-05 deg
M 309.4129749044869 1.6727e-05 deg
tp 2459240.466446232715
(2021-Jan-25.96644623)
8.0484e-05 TDB
period 1707.70905149431
4.68
1.9864e-05
5.438e-08
d
yr
n .2108087438460237 2.4521e-09 deg/d
Q 3.217260292365967 2.4948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      389  
   data-arc span      8395 days (22.98 yr)  
   first obs. used      1997-02-06  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 11:28:19  

Additional Information
 Earth MOID = 1.40106 au 
 Jupiter MOID = 1.82809 au 
 T_jup = 3.278 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO422996  

257515 Zapperudi           Discovered 1997 Feb. 6 at Linz.
Rudolf Zappe (b. 1928) has been a member of the Linzer Astronomische Gemeinschaft since 1953. He specializes in astronomical optical instruments and invented a special gearbox for transforming the eccentric to the true anomaly, especially for planetarium devices.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-01-16Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 1997 CD6 = 2002 FA4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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