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52791 (1998 QC49)
Classification: Main-belt Asteroid          SPK-ID: 2052791
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1154934288079944 2.9129e-08  
a 2.19133929087891 8.2967e-09 au
q 1.938254002493626 6.3882e-08 au
i 3.621840050423797 3.7316e-06 deg
node 146.0165736260054 5.32e-05 deg
peri 257.1686122743966 5.683e-05 deg
M 204.7015285288389 2.2598e-05 deg
tp 2459511.625497053220
(2021-Oct-24.12549705)
7.6005e-05 TDB
period 1184.848615675711
3.24
6.729e-06
1.842e-08
d
yr
n .3038362835869073 1.7255e-09 deg/d
Q 2.444424579264195 9.2549e-09 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:05:48  

Additional Information
 Earth MOID = .950555 au 
 Jupiter MOID = 2.8956 au 
 T_jup = 3.661 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457189.5 (2015-Jun-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147660629390481 2.9063e-08  
q 1.939722025758403 6.3683e-08 au
tp 2457141.732314298575
(2015-Apr-29.23231430)
6.9815e-05 TDB
node 146.0393650291292 5.3174e-05 deg
peri 257.1217669183825 5.6866e-05 deg
i 3.622023854221921 3.733e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55252  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:05:48  

Additional Information
 Jupiter MOID = 2.8956 au 
 T_jup = 3.661 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.446680504463904E-16 -1.838389134581435E-15 3.455801266241296E-14 -9.237302417179289E-16 1.280855232514831E-14 7.549866256579024E-16
q -1.838389134581435E-15 4.055570600623557E-15 1.460152027655113E-13 1.869067657402066E-15 3.495937150369656E-14 -1.607646207885902E-15
tp 3.455801266241296E-14 1.460152027655113E-13 4.874151538600923E-9 -8.211058678443599E-12 1.417209157407154E-9 6.657286826586326E-13
node -9.237302417179289E-16 1.869067657402066E-15 -8.211058678443599E-12 2.827484398660704E-9 -2.823656206945703E-9 -1.503256528069261E-11
peri 1.280855232514831E-14 3.495937150369656E-14 1.417209157407154E-9 -2.823656206945703E-9 3.233769233866166E-9 1.522235384239104E-11
i 7.549866256579024E-16 -1.607646207885902E-15 6.657286826586326E-13 -1.503256528069261E-11 1.522235384239104E-11 1.39356167164173E-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 15.9   n/a MPO381645  

52791 (1998 QC49)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/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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