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(2015 DD1)
Classification: Apollo [NEO]          SPK-ID: 3710916
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3245572597816924 5.0391e-05  
a 1.356291432102724 8.657e-05 au
q .9160972014340769 9.8821e-06 au
i 3.009471575986454 0.00042322 deg
node 327.8393439550014 0.00012268 deg
peri 134.7648961773425 0.0003589 deg
M 147.3457793395339 0.11877 deg
tp 2458764.363482710549
(2019-Oct-07.86348271)
0.16773 TDB
period 576.9364185743854
1.58
0.055238
0.0001512
d
yr
n .6239855700036461 5.9742e-05 deg/d
Q 1.796485662771372 0.00011467 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      7 days  
   first obs. used      2015-02-18  
   last obs. used      2015-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38516  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:35:34  

Additional Information
 Earth MOID = .000114292 au 
 Jupiter MOID = 3.35473 au 
 T_jup = 4.801 
[ show covariance matrix ]

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 30.4   n/a MPO335361  

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