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19971 (1988 RZ5)
Classification: Main-belt Asteroid          SPK-ID: 2019971
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135604611558912 6.0807e-08  
a 2.363408258220188 1.6226e-08 AU
q 2.095018526517062 1.4198e-07 AU
i 3.371035173769034 6.5246e-06 deg
node 170.7119472699572 9.0507e-05 deg
peri 165.5052487046692 9.4105e-05 deg
M 27.56794990999399 2.6281e-05 deg
tp 2456698.873136974396
(2014-Feb-10.37313697)
9.6467e-05 JED
period 1327.1088640492
3.63
1.3667e-05
3.742e-08
d
yr
n .2712663668763301 2.7935e-09 deg/d
Q 2.631797989923314 1.8068e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      9038 days (24.74 yr)  
   first obs. used      1988-09-03  
   last obs. used      2013-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50826  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 22:34:57  

Additional Information
 Earth MOID = 1.0844 AU 
 T_jup = 3.538 
[ 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 14.3 mag n/a MPO263526  

19971 (1988 RZ5)          Discovered 1988-Sep-03 by Debehogne, H. at La Silla (809)
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 RZ5 = 1998 FE123 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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