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118284 (1998 RC59)
Classification: Main-belt Asteroid          SPK-ID: 2118284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352369833638886 4.7217e-08  
a 2.331412894512153 1.0396e-08 au
q 2.016119647682658 1.1164e-07 au
i 7.106838525518215 5.1316e-06 deg
node 344.6568396200282 3.4622e-05 deg
peri 348.7899396004165 3.7906e-05 deg
M 110.7199729889049 1.7264e-05 deg
tp 2458800.600659001015
(2019-Nov-13.10065900)
6.1112e-05 TDB
period 1300.251064675215
3.56
8.6969e-06
2.381e-08
d
yr
n .276869606017145 1.8519e-09 deg/d
Q 2.646706141341648 1.1802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:32  

Additional Information
 Earth MOID = 1.0048 au 
 Jupiter MOID = 2.70348 au 
 T_jup = 3.548 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359415674869489 4.7105e-08  
q 2.013907287028254 1.1144e-07 au
tp 2457501.439638773619
(2016-Apr-22.93963877)
5.7488e-05 TDB
node 344.7295100265459 3.4611e-05 deg
peri 348.9414583544891 3.787e-05 deg
i 7.109299408732896 5.132e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:32  

Additional Information
 Jupiter MOID = 2.70348 au 
 T_jup = 3.548 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.218919851700529E-15 -5.23257672160579E-15 -5.526182533678164E-13 -4.934323632991091E-15 -1.408353325107853E-13 -6.972813616725618E-16
q -5.23257672160579E-15 1.241853902233943E-14 1.452895329215412E-12 1.23149763522066E-14 3.649394382409373E-13 1.698714425197257E-15
tp -5.526182533678164E-13 1.452895329215412E-12 3.304909819276181E-9 5.153570942839021E-12 8.979706686869757E-10 5.288660095634526E-13
node -4.934323632991091E-15 1.23149763522066E-14 5.153570942839021E-12 1.197915073024751E-9 -1.186793915663853E-9 -3.66635716580746E-11
peri -1.408353325107853E-13 3.649394382409373E-13 8.979706686869757E-10 -1.186793915663853E-9 1.434112612500805E-9 3.65368254472713E-11
i -6.972813616725618E-16 1.698714425197257E-15 5.288660095634526E-13 -3.66635716580746E-11 3.65368254472713E-11 2.633775662136826E-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 16.33   n/a MPCxxxxx  

118284 (1998 RC59)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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