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101141 (1998 RR68)
Classification: Main-belt Asteroid          SPK-ID: 2101141
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811848737620484 6.8549e-08  
a 2.518743730480685 8.0134e-09 au
q 2.062385465634591 1.7295e-07 au
i 1.63931719862796 6.1813e-06 deg
node 345.3420448359654 0.0001144 deg
peri 29.37249995197591 0.0001151 deg
M 194.4699785633082 1.0978e-05 deg
tp 2459871.849501994800
(2022-Oct-19.34950199)
4.5929e-05 TDB
period 1460.072430489975
4.00
6.9679e-06
1.908e-08
d
yr
n .2465631104884231 1.1767e-09 deg/d
Q 2.975101995326778 9.4653e-09 au
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      8828 days (24.17 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:58:40  

Additional Information
 Earth MOID = 1.06203 au 
 Jupiter MOID = 2.49328 au 
 T_jup = 3.434 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456897.5 (2014-Aug-28.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798155496743156 6.8705e-08  
q 2.06665871488283 1.7334e-07 au
tp 2456946.930606462139
(2014-Oct-16.43060646)
4.1929e-05 TDB
node 345.4621111505519 0.00011383 deg
peri 28.59099972227691 0.00011455 deg
i 1.644772759596797 6.1829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      8828 days (24.17 yr)  
   first obs. used      1996-02-15  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55794  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:58:40  

Additional Information
 Jupiter MOID = 2.49328 au 
 T_jup = 3.434 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.720338989599414E-15 -1.190035439544532E-14 -1.561314638522207E-12 4.669925334870009E-14 -5.503587613723229E-13 -2.148709101497144E-15
q -1.190035439544532E-14 3.004518608108888E-14 3.990400678337003E-12 -1.187496046367812E-13 1.401201586406669E-12 5.48045525918377E-15
tp -1.561314638522207E-12 3.990400678337003E-12 1.758081705409833E-9 -1.950965467088067E-11 5.423533913717529E-10 1.036698813701003E-12
node 4.669925334870009E-14 -1.187496046367812E-13 -1.950965467088067E-11 1.295811692374622E-8 -1.295823099205872E-8 2.325501885866598E-10
peri -5.503587613723229E-13 1.401201586406669E-12 5.423533913717529E-10 -1.295823099205872E-8 1.312235905886312E-8 -2.321410123547315E-10
i -2.148709101497144E-15 5.48045525918377E-15 1.036698813701003E-12 2.325501885866598E-10 -2.321410123547315E-10 3.822857088499552E-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 16.11   n/a E2021B55  

101141 (1998 RR68)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RR68 = 2000 EK73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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