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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134726297599607 5.4815e-08  
a 2.363334818335423 1.3903e-08 AU
q 2.095161001495624 1.2378e-07 AU
i 3.371069124243961 5.004e-06 deg
node 170.7120059138595 8.8628e-05 deg
peri 165.5170745363959 9.2232e-05 deg
M 81.82027437289766 2.6168e-05 deg
tp 2456698.890693788191
(2014-Feb-10.39069379)
9.5425e-05 JED
period 1327.04700721729
3.63
1.171e-05
3.206e-08
d
yr
n .2712790112498659 2.3939e-09 deg/d
Q 2.631508635175222 1.5481e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      9690 days (26.53 yr)  
   first obs. used      1988-09-03  
   last obs. used      2015-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49352  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 17:05:08  

Additional Information
 Earth MOID = 1.08633 AU 
 T_jup = 3.539 
[ 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 14.4 mag n/a MPO319334  

19971 (1988 RZ5)          Discovered 1988-Sep-03 by Debehogne, H. at La Silla
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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