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390843 (2004 RP71)
Classification: Main-belt Asteroid          SPK-ID: 2390843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .230665286806798 8.0677e-08  
a 2.336838051083489 3.315e-08 au
q 1.797810631809277 1.8198e-07 au
i 3.335441743711608 7.4176e-06 deg
node 103.3506550814209 0.00011546 deg
peri 211.2911028325859 0.00011717 deg
M 170.0192255900168 2.974e-05 deg
tp 2458384.278448120512
(2018-Sep-22.77844812)
9.6222e-05 TDB
period 1304.792195745901
3.57
2.7764e-05
7.601e-08
d
yr
n .275906003403248 5.8709e-09 deg/d
Q 2.8758654703577 4.0796e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2004-09-08  
   last obs. used      2017-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65518  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:35:37  

Additional Information
 Earth MOID = .784953 au 
 Jupiter MOID = 2.4185 au 
 T_jup = 3.529 
[ 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 18.0   n/a MPO360832  

390843 (2004 RP71)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

Alternate Designations
 2004 RP71 = 2011 PD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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