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66541 (1999 RP118)
Classification: Main-belt Asteroid          SPK-ID: 2066541
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043410215299253 3.1297e-08  
a 2.391433000295965 7.1083e-09 au
q 1.902765138095113 7.3695e-08 au
i 9.18530688771553 3.8311e-06 deg
node 172.7754026760947 1.7909e-05 deg
peri 239.02643413927 1.9771e-05 deg
M 157.693446676357 7.8044e-06 deg
tp 2458408.806363493249
(2018-Oct-17.30636349)
2.8731e-05 TDB
period 1350.783521014682
3.70
6.0226e-06
1.649e-08
d
yr
n .2665119868575056 1.1883e-09 deg/d
Q 2.880100862496817 8.5609e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1330  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:17:33  

Additional Information
 Earth MOID = .930862 au 
 Jupiter MOID = 2.55233 au 
 T_jup = 3.486 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456947.5 (2014-Oct-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028514286905216 3.1152e-08  
q 1.907151413167298 7.3231e-08 au
tp 2457057.333198625133
(2015-Feb-03.83319863)
2.8871e-05 TDB
node 172.7946045536661 1.7908e-05 deg
peri 239.0924747899302 1.9809e-05 deg
i 9.181844951505587 3.8295e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1330  
   data-arc span      7617 days (20.85 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52866  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:17:33  

Additional Information
 Jupiter MOID = 2.55233 au 
 T_jup = 3.486 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.704292503342778E-16 -2.274773199126247E-15 -3.544452442109947E-13 -4.07953449040041E-16 -1.09323168290075E-13 -2.995716764570376E-15
q -2.274773199126247E-15 5.362788567676565E-15 8.372742526929142E-13 1.319233059510032E-15 2.5681034805638E-13 7.069417866941479E-15
tp -3.544452442109947E-13 8.372742526929142E-13 8.335560410513275E-10 -2.629040247342254E-12 2.503660489394331E-10 4.240876246172531E-13
node -4.07953449040041E-16 1.319233059510032E-15 -2.629040247342254E-12 3.207115156007687E-10 -3.171138649706148E-10 1.796232771222841E-11
peri -1.09323168290075E-13 2.5681034805638E-13 2.503660489394331E-10 -3.171138649706148E-10 3.923913936907207E-10 -1.761260616688981E-11
i -2.995716764570376E-15 7.069417866941479E-15 4.240876246172531E-13 1.796232771222841E-11 -1.761260616688981E-11 1.466535794695964E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO417285  
diameter diameter 5.547 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66541 (1999 RP118)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RP118 = 2001 BE60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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