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118284 (1998 RC59)
Classification: Main-belt Asteroid          SPK-ID: 2118284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .135246594546898 4.7207e-08  
a 2.331565030335132 1.0425e-08 au
q 2.01622880001767 1.1165e-07 au
i 7.107151747014528 5.1297e-06 deg
node 344.6541376393449 3.4616e-05 deg
peri 348.841603743123 3.7898e-05 deg
M 164.9223379101575 1.7432e-05 deg
tp 2458800.773789741018
(2019-Nov-13.27378974)
6.1087e-05 TDB
period 1300.378338136722
3.56
8.7219e-06
2.388e-08
d
yr
n .2768425076319209 1.8568e-09 deg/d
Q 2.646901260652593 1.1836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:53:02  

Additional Information
 Earth MOID = 1.00604 au 
 Jupiter MOID = 2.70286 au 
 T_jup = 3.548 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457249.5 (2015-Aug-15.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359418756195056 4.7095e-08  
q 2.013907087645186 1.1142e-07 au
tp 2457501.439395862983
(2016-Apr-22.93939586)
5.7461e-05 TDB
node 344.7295060796113 3.4609e-05 deg
peri 348.9413992235752 3.7865e-05 deg
i 7.10929949146215 5.1299e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:53:02  

Additional Information
 Jupiter MOID = 2.70286 au 
 T_jup = 3.548 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.217945823090638E-15 -5.230598352610884E-15 -5.543287978734925E-13 -4.964228906225178E-15 -1.411724775355538E-13 -7.092222488964647E-16
q -5.230598352610884E-15 1.241452520743991E-14 1.456377759034155E-12 1.238823417590409E-14 3.656135793354941E-13 1.727712107482147E-15
tp -5.543287978734925E-13 1.456377759034155E-12 3.301811912429511E-9 5.192631206529679E-12 8.972629733640227E-10 5.423843243282332E-13
node -4.964228906225178E-15 1.238823417590409E-14 5.192631206529679E-12 1.197760845358944E-9 -1.186630680311689E-9 -3.672091983729826E-11
peri -1.411724775355538E-13 3.656135793354941E-13 8.972629733640227E-10 -1.186630680311689E-9 1.43379585488144E-9 3.65973201138071E-11
i -7.092222488964647E-16 1.727712107482147E-15 5.423843243282332E-13 -3.672091983729826E-11 3.65973201138071E-11 2.63161542829725E-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 16.33   n/a MPCxxxxx  

118284 (1998 RC59)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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