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20064 (1993 RV4)
Classification: Main-belt Asteroid          SPK-ID: 2020064
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05426278021890928 3.1067e-08  
a 2.200728808265127 7.3593e-09 au
q 2.081311144620814 7.1164e-08 au
i .9299745490978848 3.3123e-06 deg
node 261.4126168134738 0.00024628 deg
peri 187.9713021596411 0.00024977 deg
M 341.883389847193 4.2341e-05 deg
tp 2459060.509866119384
(2020-Jul-30.00986612)
0.00014036 TDB
period 1192.4720806354
3.26
5.9815e-06
1.638e-08
d
yr
n .3018938605322959 1.5143e-09 deg/d
Q 2.320146471909439 7.7586e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      9900 days (27.10 yr)  
   first obs. used      1993-09-15  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:04:59  

Additional Information
 Earth MOID = 1.09778 au 
 Jupiter MOID = 2.75793 au 
 T_jup = 3.663 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO337427  

20064 (1993 RV4)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RV4 = 1996 NR4 = 2000 RA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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