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(2017 DD)
Classification: Apollo [NEO]          SPK-ID: 3769410
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .313355296074419 4.3832e-05  
a 1.439356989910007 9.1261e-05 au
q .988326854179972 4.3809e-07 au
i 9.133392760300865 0.00096308 deg
node 341.2712190148566 0.00028836 deg
peri 193.8379693170149 0.00026344 deg
M 311.4516586928773 0.063896 deg
tp 2459085.559554618678
(2020-Aug-24.05955462)
0.12004 TDB
period 630.7412125371933
1.73
0.059987
0.0001642
d
yr
n .570757059859588 5.4282e-05 deg/d
Q 1.890387125640042 0.00011986 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      65 days  
   first obs. used      2017-02-16  
   last obs. used      2017-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .31228  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-23 06:18:07  

Additional Information
 Earth MOID = .00366573 au 
 Jupiter MOID = 3.0796 au 
 T_jup = 4.601 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457805.5 (2017-Feb-21.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3146581326100776 4.3566e-05  
q .9881800229385451 4.0619e-07 au
tp 2457824.127793657514
(2017-Mar-11.62779366)
7.5604e-05 TDB
node 341.310979339785 0.00028084 deg
peri 193.7893442308616 0.00028563 deg
i 9.132951230024217 0.00096297 deg
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      65 days  
   first obs. used      2017-02-16  
   last obs. used      2017-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .31228  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-23 06:18:07  

Additional Information
 Jupiter MOID = 3.0796 au 
 T_jup = 4.601 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.898032468191824E-9 -1.712999914011727E-11 1.797089338262412E-9 1.219074880115193E-8 1.201206657909721E-8 4.193797341054354E-8
q -1.712999914011727E-11 1.64992838692644E-13 -2.165772928369242E-11 -1.097570398537443E-10 -1.150632679390307E-10 -3.790827093156224E-10
tp 1.797089338262412E-9 -2.165772928369242E-11 5.715894160387181E-9 1.178563414876867E-8 1.587026895723957E-8 4.061296061149424E-8
node 1.219074880115193E-8 -1.097570398537443E-10 1.178563414876867E-8 7.887305097843206E-8 7.68846358956997E-8 2.69248088176433E-7
peri 1.201206657909721E-8 -1.150632679390307E-10 1.587026895723957E-8 7.68846358956997E-8 8.158220347357401E-8 2.666036679828123E-7
i 4.193797341054354E-8 -3.790827093156224E-10 4.061296061149424E-8 2.69248088176433E-7 2.666036679828123E-7 9.273057146254651E-7

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 23.2   n/a MPO399871  

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