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447779 (2007 RP122)
Classification: Outer Main-belt Asteroid          SPK-ID: 2447779
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2275675930227971 1.2539e-07  
a 3.95243620820665 1.1163e-07 au
q 3.052989813728912 5.3816e-07 au
i 1.847579223141475 9.8935e-06 deg
node 76.94777324899721 0.00046581 deg
peri 316.0107934806637 0.00047021 deg
M 189.5743069000699 5.9408e-05 deg
tp 2460359.214777355342
(2024-Feb-18.71477736)
0.00051744 TDB
period 2870.091421961327
7.86
0.00012159
3.329e-07
d
yr
n .1254315445303787 5.3139e-09 deg/d
Q 4.851882602684388 1.3703e-07 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      3830 days (10.49 yr)  
   first obs. used      2007-09-12  
   last obs. used      2018-03-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:33:39  

Additional Information
 Earth MOID = 2.05966 au 
 Jupiter MOID = .58995 au 
 T_jup = 3.013 
[ 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 15.8   n/a MPO434663  

447779 (2007 RP122)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2007 RP122 = 2008 UL127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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