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66512 (1999 RC92)
Classification: Main-belt Asteroid          SPK-ID: 2066512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2587785346441738 5.7983e-08  
a 2.538485554543475 7.4937e-09 au
q 1.881579982523312 1.4999e-07 au
i 6.169379068567107 6.0445e-06 deg
node 352.5387083652618 3.0109e-05 deg
peri 28.27836823617466 3.3057e-05 deg
M 31.44691596648188 1.4048e-05 deg
tp 2458871.456530597607
(2020-Jan-22.95653060)
5.7306e-05 TDB
period 1477.272017210745
4.04
6.5414e-06
1.791e-08
d
yr
n .2436924248248608 1.0791e-09 deg/d
Q 3.195391126563639 9.4329e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:58:14  

Additional Information
 Earth MOID = .886539 au 
 Jupiter MOID = 2.28543 au 
 T_jup = 3.391 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457128.5 (2015-Apr-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2610063319156778 5.8735e-08  
q 1.875073482409159 1.5254e-07 au
tp 2457391.674688023544
(2016-Jan-04.17468802)
5.1978e-05 TDB
node 352.7627254116281 2.9996e-05 deg
peri 27.60718053492101 3.286e-05 deg
i 6.188485895414097 6.0555e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1276  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:58:14  

Additional Information
 Jupiter MOID = 2.28543 au 
 T_jup = 3.391 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.449801133207035E-15 -8.95501589007702E-15 -2.499093584595281E-12 3.848563763721721E-14 -5.837374565336679E-13 -1.710223490198889E-14
q -8.95501589007702E-15 2.32690552769839E-14 6.525237681399025E-12 -1.01060285616258E-13 1.525156479608458E-12 4.487236378206718E-14
tp -2.499093584595281E-12 6.525237681399025E-12 2.701711214476538E-9 -3.62028748834729E-11 7.007502726853869E-10 1.639845899350833E-11
node 3.848563763721721E-14 -1.01060285616258E-13 -3.62028748834729E-11 8.997764501323707E-10 -9.022809336426181E-10 -8.564611316315009E-11
peri -5.837374565336679E-13 1.525156479608458E-12 7.007502726853869E-10 -9.022809336426181E-10 1.079768272681966E-9 8.899224981738829E-11
i -1.710223490198889E-14 4.487236378206718E-14 1.639845899350833E-11 -8.564611316315009E-11 8.899224981738829E-11 3.666858237304424E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO493334  

66512 (1999 RC92)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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