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66538 (1999 RV117)
Classification: Main-belt Asteroid          SPK-ID: 2066538
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678846866820091 4.3311e-08  
a 2.549319850747773 1.7637e-08 au
q 2.121328086352757 1.0696e-07 au
i 15.09264520063179 4.7574e-06 deg
node 189.0356728876373 2.1756e-05 deg
peri 162.2031894509819 2.7831e-05 deg
M 18.76816208727102 2.1019e-05 deg
tp 2458922.990637817224
(2020-Mar-14.49063782)
8.6482e-05 TDB
period 1486.739631512663
4.07
1.5428e-05
4.224e-08
d
yr
n .2421405822307453 2.5128e-09 deg/d
Q 2.977311615142789 2.0598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      10100 days (27.65 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57223  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:28:21  

Additional Information
 Earth MOID = 1.12156 au 
 Jupiter MOID = 2.49724 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456452.5 (2013-Jun-09.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169270066153057 4.3214e-08  
q 2.117679035582171 1.0689e-07 au
tp 2455951.579580513654
(2012-Jan-25.07958051)
7.8915e-05 TDB
node 189.1215120305093 2.1733e-05 deg
peri 162.547619670548 2.7714e-05 deg
i 15.10285357565206 4.7605e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      534  
   data-arc span      10100 days (27.65 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57223  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:28:21  

Additional Information
 Jupiter MOID = 2.49724 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.867435511544279E-15 -4.579615692893572E-15 -5.126858673577978E-13 -7.387051880283895E-15 -1.059562255910388E-13 2.179457971082533E-16
q -4.579615692893572E-15 1.142566378231931E-14 1.336558176591207E-12 1.84333476156843E-14 2.919340496500149E-13 6.920539257171052E-16
tp -5.126858673577978E-13 1.336558176591207E-12 6.227625234952069E-9 4.817580376055741E-11 1.397636791674686E-9 2.078912036215277E-12
node -7.387051880283895E-15 1.84333476156843E-14 4.817580376055741E-11 4.723364466992749E-10 -4.446551151408064E-10 -2.049636459421177E-12
peri -1.059562255910388E-13 2.919340496500149E-13 1.397636791674686E-9 -4.446551151408064E-10 7.680713392627721E-10 2.510534519223203E-12
i 2.179457971082533E-16 6.920539257171052E-16 2.078912036215277E-12 -2.049636459421177E-12 2.510534519223203E-12 2.266258781923405E-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 14.8   n/a MPO436246  

66538 (1999 RV117)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RV117 = 1991 RT37 = 2002 GO16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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