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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457144.5 (2015-May-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956317134357997 3.6947e-08  
q 2.163948896729186 9.8433e-08 au
tp 2456709.722610393821
(2014-Feb-21.22261039)
6.3619e-05 TDB
node 136.0730202106882 1.9945e-05 deg
peri 285.6416239882835 2.4794e-05 deg
i 12.64441588147095 5.4276e-06 deg
  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
 Jupiter MOID = 2.21013 au 
 T_jup = 3.311 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.365115645441076E-15 -3.604738632356478E-15 -2.467593401514794E-13 2.470733049000912E-15 -9.67391865327839E-14 2.248351783505767E-16
q -3.604738632356478E-15 9.689028708781868E-15 6.98288636125712E-13 -8.138840490611062E-15 2.753293037989031E-13 -5.735207911323001E-16
tp -2.467593401514794E-13 6.98288636125712E-13 4.047418958875631E-9 -1.919397288418997E-11 9.530873587750718E-10 -2.118168289832417E-12
node 2.470733049000912E-15 -8.138840490611062E-15 -1.919397288418997E-11 3.977861037319442E-10 -3.920903516471264E-10 2.932529837560067E-11
peri -9.67391865327839E-14 2.753293037989031E-13 9.530873587750718E-10 -3.920903516471264E-10 6.147338521090154E-10 -2.902802711130127E-11
i 2.248351783505767E-16 -5.735207911323001E-16 -2.118168289832417E-12 2.932529837560067E-11 -2.902802711130127E-11 2.945891081090579E-11

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

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