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JPL Small-Body Database Browser
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66485 (1999 RX41)
Classification: Main-belt Asteroid          SPK-ID: 2066485
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08271951277997779 4.6483e-08  
a 2.604732483908558 1.4023e-08 au
q 2.389270281917461 1.2508e-07 au
i 13.87030750926514 5.3976e-06 deg
node 348.7060143118381 2.0639e-05 deg
peri 263.6026855940308 3.9084e-05 deg
M 75.85551038702557 3.5083e-05 deg
tp 2458676.960172044153
(2019-Jul-12.46017204)
0.0001493 TDB
period 1535.476295259715
4.20
1.24e-05
3.395e-08
d
yr
n .2344549382568675 1.8933e-09 deg/d
Q 2.820194685899656 1.5183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      7291 days (19.96 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:34:39  

Additional Information
 Earth MOID = 1.42479 au 
 Jupiter MOID = 2.29557 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456547.5 (2013-Sep-12.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08139512980109496 4.664e-08  
q 2.394730436205088 1.2509e-07 au
tp 2457140.817213699649
(2015-Apr-28.31721370)
0.00015077 TDB
node 348.8185792913205 2.0656e-05 deg
peri 263.4133505399226 3.9471e-05 deg
i 13.85962406742036 5.3948e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      7291 days (19.96 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51319  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:34:39  

Additional Information
 Jupiter MOID = 2.29557 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.17525417291111E-15 -5.805535352681243E-15 -1.127774196691916E-12 -7.558848717854437E-16 -2.280271674836359E-13 -1.050526456678873E-15
q -5.805535352681243E-15 1.564742684665264E-14 2.994822099620036E-12 1.682492017498998E-15 5.931460926722455E-13 2.690059752584037E-15
tp -1.127774196691916E-12 2.994822099620036E-12 2.273029748604067E-8 5.550523095609805E-11 5.096607634583035E-9 1.454611163647088E-11
node -7.558848717854437E-16 1.682492017498998E-15 5.550523095609805E-11 4.266550667229925E-10 -4.00817284738849E-10 1.182261063152612E-11
peri -2.280271674836359E-13 5.931460926722455E-13 5.096607634583035E-9 -4.00817284738849E-10 1.557956101802537E-9 -8.18039799823894E-12
i -1.050526456678873E-15 2.690059752584037E-15 1.454611163647088E-11 1.182261063152612E-11 -8.18039799823894E-12 2.910377453051371E-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 13.9   n/a MPO436245  
diameter diameter 4.715 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.219   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66485 (1999 RX41)          Discovered 1999-Sep-13 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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