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19972 (1988 RD6)
Classification: Main-belt Asteroid          SPK-ID: 2019972
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957792729801589 6.2505e-08  
a 2.425754728909923 2.024e-08 AU
q 1.950842231655756 1.4993e-07 AU
i 2.080695262044615 7.2031e-06 deg
node 49.39959181837762 0.00014844 deg
peri 312.8254580618702 0.00014927 deg
M 323.3243751761725 1.6581e-05 deg
tp 2457141.086551332625
(2015-Apr-28.58655133)
6.4344e-05 JED
period 1379.967177733365
3.78
1.7272e-05
4.729e-08
d
yr
n .2608757699522319 3.2651e-09 deg/d
Q 2.90066722616409 2.4203e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      726  
   data-arc span      9427 days (25.81 yr)  
   first obs. used      1988-09-05  
   last obs. used      2014-06-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55734  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:43:56  

Additional Information
 Earth MOID = .949071 AU 
 T_jup = 3.483 
[ 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 14.8 mag n/a MPO259486  

19972 (1988 RD6)          Discovered 1988-Sep-05 by Debehogne, H. at La Silla (809)
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RD6 = 1992 SZ12 = 1994 CC10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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