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156867 (2003 DD16)
Classification: Main-belt Asteroid          SPK-ID: 2156867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770201613213502 4.0615e-08  
a 2.331196776282745 9.9148e-09 au
q 1.918527946873362 9.5745e-08 au
i 2.60398562674955 5.1606e-06 deg
node 25.6530521210446 9.9346e-05 deg
peri 59.34572275150381 0.00010067 deg
M 55.45111221804768 1.7062e-05 deg
tp 2459000.249048475229
(2020-May-30.74904848)
6.1023e-05 TDB
period 1300.070272088326
3.56
8.294e-06
2.271e-08
d
yr
n .2769081085299531 1.7666e-09 deg/d
Q 2.743865605692128 1.167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      416  
   data-arc span      7085 days (19.40 yr)  
   first obs. used      2001-08-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:45:26  

Additional Information
 Earth MOID = .935873 au 
 Jupiter MOID = 2.47431 au 
 T_jup = 3.548 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO454026  

156867 (2003 DD16)          Discovered 2003-Feb-27 by Klet at Klet
Reference: 20070502/Numbers.arcLast Updated: 2007-05-02

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