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66114 (1998 SG68)
Classification: Main-belt Asteroid          SPK-ID: 2066114
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07838299608325477 4.7393e-08  
a 3.102657061515146 2.5454e-08 au
q 2.859461505214722 1.4793e-07 au
i 14.78258048232449 5.0257e-06 deg
node 239.6330301342049 1.8634e-05 deg
peri 136.9445536391038 4.0365e-05 deg
M 329.069357773674 3.2465e-05 deg
tp 2459172.008451869159
(2020-Nov-18.50845187)
0.00017936 TDB
period 1996.177196099272
5.47
2.4565e-05
6.726e-08
d
yr
n .1803447112327882 2.2193e-09 deg/d
Q 3.345852617815571 2.7449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      21927 days (60.03 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50314  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:19:24  

Additional Information
 Earth MOID = 1.88232 au 
 Jupiter MOID = 2.10207 au 
 T_jup = 3.166 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO439516  

66114 (1998 SG68)          Discovered 1998-Sep-19 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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