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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955863250087506 5.8195e-08  
a 2.425266012408022 1.7869e-08 au
q 1.95091714587251 1.3597e-07 au
i 2.080741990744519 6.6822e-06 deg
node 49.39650508716703 0.00013488 deg
peri 312.8100525503795 0.00013575 deg
M 67.70992658993389 1.7054e-05 deg
tp 2457141.029887588523
(2015-Apr-28.52988759)
6.3977e-05 JED
period 1379.550166016846
3.78
1.5246e-05
4.174e-08
d
yr
n .2609546277243563 2.8839e-09 deg/d
Q 2.899614878943534 2.1363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      9966 days (27.29 yr)  
   first obs. used      1988-09-05  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53987  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:44:01  

Additional Information
 Earth MOID = .947156 au 
 Jupiter MOID = 2.54632 au 
 T_jup = 3.484 
[ 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 15.0 mag n/a MPO358822  

19972 (1988 RD6)          Discovered 1988-Sep-05 by Debehogne, H. at La Silla
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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