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207731 (2007 RZ187)
Classification: Main-belt Asteroid          SPK-ID: 2207731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071587307678055 4.9242e-08  
a 2.741983106322204 2.4681e-08 au
q 2.448155676861952 1.338e-07 au
i 5.687292453036597 5.289e-06 deg
node 50.547894379238 5.2396e-05 deg
peri 68.5972702943548 5.8015e-05 deg
M 228.5255217897009 2.5036e-05 deg
tp 2459806.167882032886
(2022-Aug-14.66788203)
0.00011813 TDB
period 1658.424056896229
4.54
2.2392e-05
6.131e-08
d
yr
n .2170735515461266 2.9309e-09 deg/d
Q 3.035810535782456 2.7326e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      6140 days (16.81 yr)  
   first obs. used      2003-11-19  
   last obs. used      2020-09-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60867  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:19:20  

Additional Information
 Earth MOID = 1.47119 au 
 Jupiter MOID = 2.05287 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.88   n/a E2021B55  

207731 (2007 RZ187)          Discovered 2007-Sep-14 by Ries, W. at Altschwendt
Reference: 20090209/Numbers.arcLast Updated: 2009-02-11

Alternate Designations
 2007 RZ187 = 2005 JC182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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