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JPL Small-Body Database Browser
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(2012 DY)
Classification: Apollo [NEO]          SPK-ID: 3599404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2455978.5 (2012-Feb-21.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5425637371891039 0.0013427  
a 2.12566348149415 0.0061662 au
q .9723555589682822 3.4638e-05 au
i 4.99096804283541 0.0091835 deg
node 150.1059054439562 9.8057e-05 deg
peri 31.06727147536837 0.0078531 deg
M 352.4632921106901 0.034226 deg
tp 2456002.198419144516
(2012-Mar-15.69841914)
0.004983 TDB
period 1131.983754356029
3.10
4.9256
0.01349
d
yr
n .3180257654888336 0.0013838 deg/d
Q 3.278971404020017 0.0095118 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      3 days  
   first obs. used      2012-02-19  
   last obs. used      2012-02-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .40329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 06:03:25  

Additional Information
 Earth MOID = .0154971 au 
 Jupiter MOID = 1.67908 au 
 T_jup = 3.518 
[ 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 26.6   n/a MPO227517  

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