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437915 (2002 GD32)
Classification: TransNeptunian Object          SPK-ID: 2437915
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331530663349942 0.00032882  
a 44.63437482348756 0.019764 au
q 38.69117095179472 0.031716 au
i 6.592344493833194 0.00053724 deg
node 22.20814882181648 0.0011603 deg
peri 23.40095098150152 0.11706 deg
M 180.9323003240744 0.15254 deg
tp 2513177.800924738687
(2168-Sep-29.30092474)
72.729 TDB
period 108918.7406115324
298.20
72.342
0.1981
d
yr
n .003305216328969221 2.1953e-06 deg/d
Q 50.5775786951804 0.022395 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      4436 days (12.15 yr)  
   first obs. used      2002-04-07  
   last obs. used      2014-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .32855  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:12:39  

Additional Information
 Earth MOID = 37.7018 au 
 Jupiter MOID = 33.7089 au 
 T_jup = 5.884 
[ hide covariance matrix ]
Orbital Elements at Epoch 2454669.5 (2008-Jul-22.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335032491177135 0.00032743  
q 38.64731308181005 0.031625 au
tp 2404567.477581667852
(1871-May-19.97758167)
39.182 TDB
node 22.18201626464634 0.0011635 deg
peri 24.07395657027867 0.11744 deg
i 6.58637106683745 0.00053703 deg
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      4436 days (12.15 yr)  
   first obs. used      2002-04-07  
   last obs. used      2014-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .32855  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 13:12:39  

Additional Information
 Jupiter MOID = 33.7089 au 
 T_jup = 5.884 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.072116160193902E-7 -1.031462542348902E-5 .005177771292497813 -1.440994534594367E-9 -1.656085834092919E-5 -5.667788951764187E-9
q -1.031462542348902E-5 .001000131570283853 -.3986612259725236 1.763019960595293E-7 .001887778216886343 5.728597279083083E-7
tp .005177771292497813 -.3986612259725236 1535.239564615984 .0004160038554095072 2.999419466710425 7.919084047569901E-5
node -1.440994534594367E-9 1.763019960595293E-7 .0004160038554095072 1.353690991248624E-6 3.139345134134776E-7 5.78612673504894E-7
peri -1.656085834092919E-5 .001887778216886343 2.999419466710425 3.139345134134776E-7 .01379267718176727 1.345465536342264E-6
i -5.667788951764187E-9 5.728597279083083E-7 7.919084047569901E-5 5.78612673504894E-7 1.345465536342264E-6 2.88396763000057E-7

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.9   n/a MPO456080  

437915 (2002 GD32)          Discovered 2002-Apr-07 by Buie, M. W. at Cerro Tololo
Reference: Last Updated: 2015-07-06
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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