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66565 (1999 RC138)
Classification: Main-belt Asteroid          SPK-ID: 2066565
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659277478888195 4.784e-08  
a 2.518446110164677 9.3246e-09 au
q 2.100566018925695 1.208e-07 au
i 1.843748671288465 4.7123e-06 deg
node 16.143925269937 0.00011792 deg
peri 3.852558642845054 0.00011863 deg
M 37.70036269389576 1.2963e-05 deg
tp 2458847.623599797307
(2019-Dec-30.12359980)
5.257e-05 TDB
period 1459.813650065503
4.00
8.1075e-06
2.22e-08
d
yr
n .2466068186058175 1.3696e-09 deg/d
Q 2.93632620140366 1.0872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      9810 days (26.86 yr)  
   first obs. used      1993-01-29  
   last obs. used      2019-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:01:22  

Additional Information
 Earth MOID = 1.103 au 
 Jupiter MOID = 2.52457 au 
 T_jup = 3.438 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457057.5 (2015-Feb-04.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1674913359498183 4.8347e-08  
q 2.0962870599732 1.2241e-07 au
tp 2457384.794843996234
(2015-Dec-28.29484400)
5.19e-05 TDB
node 16.2508132517998 0.00011748 deg
peri 3.149374414716019 0.00011818 deg
i 1.849584738645083 4.7202e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      884  
   data-arc span      9810 days (26.86 yr)  
   first obs. used      1993-01-29  
   last obs. used      2019-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50779  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:01:22  

Additional Information
 Jupiter MOID = 2.52457 au 
 T_jup = 3.438 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.337456344662334E-15 -5.906338718568751E-15 -1.530069097699627E-12 -2.898859206517147E-14 -3.057545278113032E-13 -8.819183926719709E-16
q -5.906338718568751E-15 1.498394042775534E-14 3.806089104365465E-12 7.100069521780266E-14 7.5496851429254E-13 2.326310968192659E-15
tp -1.530069097699627E-12 3.806089104365465E-12 2.693612708525639E-9 2.09179469996751E-11 6.755013696941991E-10 9.037000092532462E-13
node -2.898859206517147E-14 7.100069521780266E-14 2.09179469996751E-11 1.380184564258105E-8 -1.378920554134033E-8 -2.936965115597476E-10
peri -3.057545278113032E-13 7.5496851429254E-13 6.755013696941991E-10 -1.378920554134033E-8 1.396602064144973E-8 2.937632840525408E-10
i -8.819183926719709E-16 2.326310968192659E-15 9.037000092532462E-13 -2.936965115597476E-10 2.937632840525408E-10 2.228034676901424E-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 15.6   n/a MPO449423  

66565 (1999 RC138)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RC138 = 2002 JS141 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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