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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955225773909496 3.6925e-08  
a 2.689371075240266 1.5743e-08 au
q 2.16353831104862 9.8346e-08 au
i 12.64444975436348 4.452e-06 deg
node 136.056657608568 1.9638e-05 deg
peri 285.207074586181 2.3432e-05 deg
M 197.0748902016433 1.4434e-05 deg
tp 2459929.554580521943
(2022-Dec-16.05458052)
6.805e-05 TDB
period 1610.922032292819
4.41
1.4145e-05
3.873e-08
d
yr
n .2234745026657891 1.9623e-09 deg/d
Q 3.215203839431913 1.8822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      8568 days (23.46 yr)  
   first obs. used      1997-02-04  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54687  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:51:26  

Additional Information
 Earth MOID = 1.21606 au 
 Jupiter MOID = 2.21061 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 15.29   n/a MPCxxxxx  

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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