Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
4938 Papadopoulos (1986 CQ1)
Classification: Main-belt Asteroid          SPK-ID: 2004938
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .07643487157639303 5.9545e-08  
a 2.353507093127134 1.4577e-08 AU
q 2.173617080709831 1.4505e-07 AU
i 4.56671734552241 6.619e-06 deg
node 222.3539158774326 6.6412e-05 deg
peri 195.5642802643059 7.8826e-05 deg
M 62.5174070517641 4.3917e-05 deg
tp 2456771.481719023394
(2014-Apr-23.98171902)
0.0001602 JED
period 1318.778001834155
3.61
1.2252e-05
3.354e-08
d
yr
n .2729799856376981 2.5361e-09 deg/d
Q 2.533397105544436 1.5691e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      10494 days (28.73 yr)  
   first obs. used      1986-02-05  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51136  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:57:40  

Additional Information
 Earth MOID = 1.18536 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 13.6 mag n/a MPO267727  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Nov-21 17:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin