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74214 (1998 RO68)
Classification: Main-belt Asteroid          SPK-ID: 2074214
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890061910784731 3.3493e-08  
a 2.678947003328799 1.3307e-08 au
q 2.172609434128533 9.0262e-08 au
i 12.16542844557893 5.7324e-06 deg
node 2.316990932821557 1.854e-05 deg
peri 282.3273080400808 2.4484e-05 deg
M 40.68310458478973 1.4891e-05 deg
tp 2458819.509326330982
(2019-Dec-02.00932633)
6.5969e-05 TDB
period 1601.565150590963
4.38
1.1933e-05
3.267e-08
d
yr
n .2247801157930811 1.6748e-09 deg/d
Q 3.185284572529064 1.5822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:33  

Additional Information
 Earth MOID = 1.19592 au 
 Jupiter MOID = 2.15539 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457321.5 (2015-Oct-26.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883870553848894 3.3405e-08  
q 2.174970281725225 8.997e-08 au
tp 2457218.889291126909
(2015-Jul-15.38929113)
6.5327e-05 TDB
node 2.372903852316967 1.8531e-05 deg
peri 282.604105411313 2.4537e-05 deg
i 12.16649074372146 5.7332e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:33  

Additional Information
 Jupiter MOID = 2.15539 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.115877442981001E-15 -2.983856339566331E-15 -8.807338804709547E-14 -1.096531777371529E-15 -5.404667109942313E-14 -3.765933250917582E-15
q -2.983856339566331E-15 8.094661754126024E-15 2.331249314198751E-13 4.194766079257691E-15 1.456012100599249E-13 1.211295670766408E-14
tp -8.807338804709547E-14 2.331249314198751E-13 4.267621214621434E-9 -1.612755139780511E-11 1.061486912224514E-9 -1.325570110922122E-12
node -1.096531777371529E-15 4.194766079257691E-15 -1.612755139780511E-11 3.434063911262812E-10 -3.38835484737804E-10 1.988411628177355E-11
peri -5.404667109942313E-14 1.456012100599249E-13 1.061486912224514E-9 -3.38835484737804E-10 6.020435916050112E-10 -1.926914565717054E-11
i -3.765933250917582E-15 1.211295670766408E-14 -1.325570110922122E-12 1.988411628177355E-11 -1.926914565717054E-11 3.286950045055923E-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 14.7   n/a MPO302456  

74214 (1998 RO68)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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