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4938 Papadopoulos (1986 CQ1)
Classification: Main-belt Asteroid          SPK-ID: 2004938
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07692089081801244 4.6239e-08  
a 2.352363878859566 1.2034e-08 au
q 2.171417953769573 1.0884e-07 au
i 4.568863600615724 5.5707e-06 deg
node 222.309319782472 6.5701e-05 deg
peri 195.2726387380536 7.7734e-05 deg
M 172.0598492256099 4.182e-05 deg
tp 2456770.657130239851
(2014-Apr-23.15713024)
0.00015203 JED
period 1317.817225425677
3.61
1.0112e-05
2.769e-08
d
yr
n .2731790062037729 2.0963e-09 deg/d
Q 2.533309803949559 1.296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      10720 days (29.35 yr)  
   first obs. used      1986-02-05  
   last obs. used      2015-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49212  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:50:06  

Additional Information
 Earth MOID = 1.18237 au 
 Jupiter MOID = 2.70766 au 
 T_jup = 3.548 
[ 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 13.7 mag n/a MPO337294  

4938 Papadopoulos           Discovered 1986 Feb. 5 by H. Debehogne at the European Southern Observatory.
Christos Papadopoulos (1910-1992), a Johannesburg-based South African astrophotographer and star atlas compiler, published his three-volume True Visual Magnitude Photographic Star Atlas in 1979.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 1986 CQ1 = 1988 UG 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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