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117165 (2004 RZ4)
Classification: Main-belt Asteroid          SPK-ID: 2117165
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956976570966906 3.7017e-08  
a 2.689008365270916 1.6344e-08 au
q 2.162775728273996 9.8557e-08 au
i 12.64425469934192 5.4276e-06 deg
node 136.0596800933696 1.995e-05 deg
peri 285.2449684254681 2.4802e-05 deg
M 152.314830511309 1.5216e-05 deg
tp 2458319.062000810806
(2018-Jul-19.56200081)
6.6017e-05 TDB
period 1610.596150647955
4.41
1.4684e-05
4.02e-08
d
yr
n .2235197196113806 2.0378e-09 deg/d
Q 3.215241002267836 1.9542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      8483 days (23.23 yr)  
   first obs. used      1997-02-04  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:09:34  

Additional Information
 Earth MOID = 1.21585 au 
 Jupiter MOID = 2.21013 au 
 T_jup = 3.311 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO338085  

117165 (2004 RZ4)          Discovered 2004-Sep-04 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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