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541527 (2011 RP4)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541527
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2815640337744807 3.5097e-07  
a 3.95162375082595 5.586e-08 au
q 2.838988627584353 1.3867e-06 au
i 4.055542422364602 8.0024e-06 deg
node 80.46426829442036 0.00014291 deg
peri 309.4021791840655 0.0001939 deg
M 51.28331917473817 7.674e-05 deg
tp 2458791.771018897969
(2019-Nov-04.27101890)
0.00061107 TDB
period 2869.206509340225
7.86
6.0838e-05
1.666e-07
d
yr
n .125470229775403 2.6605e-09 deg/d
Q 5.064258874067549 7.1588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2003-09-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:32  

Additional Information
 Earth MOID = 1.84566 au 
 Jupiter MOID = .417222 au 
 T_jup = 2.985 
[ 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 16.34   n/a MPCxxxxx  

541527 (2011 RP4)          Discovered 2006-Apr-27 by Cerro Tololo at Cerro Tololo
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 RP4 = 2006 HP141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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