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227219 (2005 RZ4)
Classification: Main-belt Asteroid          SPK-ID: 2227219
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2146978069711625 3.9431e-08  
a 2.363295444468887 1.1957e-08 au
q 1.855901095316478 9.5806e-08 au
i 3.310810412782766 4.8724e-06 deg
node 117.7297876015634 0.0001008 deg
peri 201.5015301081575 0.00010192 deg
M 96.77672016976115 1.6996e-05 deg
tp 2458843.766534922065
(2019-Dec-26.26653492)
6.111e-05 TDB
period 1327.01384385399
3.63
1.0071e-05
2.757e-08
d
yr
n .271285790775526 2.0588e-09 deg/d
Q 2.870689793621296 1.4524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6137 days (16.80 yr)  
   first obs. used      2004-03-18  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59863  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:11:12  

Additional Information
 Earth MOID = .841284 au 
 Jupiter MOID = 2.43977 au 
 T_jup = 3.516 
[ 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 17.2   n/a MPO437076  

227219 (2005 RZ4)          Discovered 2005-Sep-07 by Pauwels, T. at Uccle
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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