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74603 (1999 RL6)
Classification: Main-belt Asteroid          SPK-ID: 2074603
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 .1989555417503434 4.2345e-08  
a 2.562028379906822 1.1963e-08 au
q 2.052298635602706 1.0573e-07 au
i 3.939482911871581 4.8211e-06 deg
node 351.5315685061603 7.3141e-05 deg
peri 58.34267435633445 7.4484e-05 deg
M 334.9168312562903 1.5926e-05 deg
tp 2459104.864844455529
(2020-Sep-12.36484446)
6.6542e-05 TDB
period 1497.870719121662
4.10
1.0491e-05
2.872e-08
d
yr
n .2403411692372896 1.6834e-09 deg/d
Q 3.071758124210939 1.4343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      9147 days (25.04 yr)  
   first obs. used      1995-10-16  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:02  

Additional Information
 Earth MOID = 1.06582 au 
 Jupiter MOID = 2.32908 au 
 T_jup = 3.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456211.5 (2012-Oct-11.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008791537826634 4.2381e-08  
q 2.047777536675532 1.0601e-07 au
tp 2456104.572056307113
(2012-Jun-26.07205631)
5.9776e-05 TDB
node 351.8635078913715 7.2918e-05 deg
peri 57.31013786030539 7.4244e-05 deg
i 3.947902687605043 4.824e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      9147 days (25.04 yr)  
   first obs. used      1995-10-16  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:02  

Additional Information
 Jupiter MOID = 2.32908 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.79614883625129E-15 -4.476794262282365E-15 7.323012705148603E-13 -1.050830997721154E-14 1.456289833689707E-13 -9.190108416258796E-16
q -4.476794262282365E-15 1.123900888020339E-14 -1.80849615228333E-12 2.602338936792915E-14 -3.599029935933872E-13 2.347244572369915E-15
tp 7.323012705148603E-13 -1.80849615228333E-12 3.573153956973641E-9 -9.274987579526836E-12 8.625055713763363E-10 -3.456663635701027E-12
node -1.050830997721154E-14 2.602338936792915E-14 -9.274987579526836E-12 5.316980011763449E-9 -5.306096888899844E-9 -6.314305916122457E-11
peri 1.456289833689707E-13 -3.599029935933872E-13 8.625055713763363E-10 -5.306096888899844E-9 5.512199895892E-9 6.223411994268847E-11
i -9.190108416258796E-16 2.347244572369915E-15 -3.456663635701027E-12 -6.314305916122457E-11 6.223411994268847E-11 2.327144035863145E-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 15.4   n/a MPO439562  

74603 (1999 RL6)          Discovered 1999-Sep-03 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RL6 = 1995 UK37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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