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447050 (2004 RR172)
Classification: Main-belt Asteroid          SPK-ID: 2447050
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03665768659332786 7.9398e-08  
a 3.095710015323462 4.9143e-08 au
q 2.982228447797909 2.4426e-07 au
i 11.79931340620665 8.673e-06 deg
node 199.4670059133946 2.9853e-05 deg
peri 344.7068554629796 0.00010588 deg
M 120.1862333989578 9.7863e-05 deg
tp 2458336.311947549821
(2018-Aug-05.81194755)
0.00054381 TDB
period 1989.476599107212
5.45
4.7373e-05
1.297e-07
d
yr
n .1809521158286314 4.3088e-09 deg/d
Q 3.209191582849016 5.0944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      5432 days (14.87 yr)  
   first obs. used      2004-09-09  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:48:48  

Additional Information
 Earth MOID = 1.98362 au 
 Jupiter MOID = 1.75349 au 
 T_jup = 3.190 
[ 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 16.2   n/a MPO477126  

447050 (2004 RR172)          Discovered 2004-Sep-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2004 RR172 = 2013 GZ123 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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