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(2008 GO20)
Classification: Apollo [NEO]          SPK-ID: 3408681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4909632278544215 2.7652e-05  
a 1.892805786211947 9.5401e-05 au
q .9635077477118035 3.7826e-06 au
i 2.249712103739645 8.6653e-05 deg
node 119.5927922254292 0.00063895 deg
peri 160.6434367832007 0.00059334 deg
M 283.4395697693438 0.12884 deg
tp 2459402.782994337544
(2021-Jul-07.28299434)
0.35569 TDB
period 951.168609451683
2.60
0.071911
0.0001969
d
yr
n .3784817922108762 2.8614e-05 deg/d
Q 2.822103824712091 0.00014224 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      124 days  
   first obs. used      2008-04-09  
   last obs. used      2008-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .57954  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:36:09  

Additional Information
 Earth MOID = .00891008 au 
 Jupiter MOID = 2.34656 au 
 T_jup = 3.799 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454582.5 (2008-Apr-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4910813142840837 2.665e-05  
q .9630076308003185 2.6309e-06 au
tp 2454647.042966254599
(2008-Jun-29.54296625)
0.00012699 TDB
node 119.7628459407831 0.00062991 deg
peri 160.5282631048673 0.00057715 deg
i 2.242107760015252 8.6586e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      124 days  
   first obs. used      2008-04-09  
   last obs. used      2008-08-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .57954  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:36:09  

Additional Information
 Jupiter MOID = 2.34656 au 
 T_jup = 3.799 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.102078241622694E-10 -6.992805866481943E-11 -1.921198536710141E-9 8.5258693139794E-9 -7.243352316355654E-9 2.295659421374438E-9
q -6.992805866481943E-11 6.921762885912003E-12 1.895690359017473E-10 -8.252435216580458E-10 6.960021580943419E-10 -2.25817394369193E-10
tp -1.921198536710141E-9 1.895690359017473E-10 1.612580194361656E-8 9.974932201459287E-9 -6.391344705079113E-9 -5.527570306977349E-9
node 8.5258693139794E-9 -8.252435216580458E-10 9.974932201459287E-9 3.967874586109098E-7 -3.613458968636471E-7 2.950161533257314E-8
peri -7.243352316355654E-9 6.960021580943419E-10 -6.391344705079113E-9 -3.613458968636471E-7 3.330967717733211E-7 -2.493571761732308E-8
i 2.295659421374438E-9 -2.25817394369193E-10 -5.527570306977349E-9 2.950161533257314E-8 -2.493571761732308E-8 7.497107300891769E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.3   n/a MPO141921  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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