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(2007 DA)
Classification: Apollo [NEO]          SPK-ID: 3368294
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .573595720887989 2.0763e-06  
a 1.010021911796008 3.3108e-08 au
q .4306776651867119 2.0951e-06 au
i 2.762182120798418 4.9164e-05 deg
node 117.2696004558042 0.00069294 deg
peri 262.0844669016938 0.00074704 deg
M 96.70240737874246 0.00039845 deg
tp 2458900.906864526030
(2020-Feb-21.40686453)
0.00040685 TDB
period 370.7614912853837
1.02
1.823e-05
4.991e-08
d
yr
n .9709746250936822 4.7742e-08 deg/d
Q 1.589366158405304 5.2098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      379 days (1.04 yr)  
   first obs. used      2007-02-16  
   last obs. used      2008-03-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .41851  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-28 06:46:23  

Additional Information
 Earth MOID = .0202255 au 
 Jupiter MOID = 3.87196 au 
 T_jup = 5.873 
[ 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 22.4   n/a MPO215125  
rotation period rot_per 0.074 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hergenrother, C.W.; Whitely, R.J. (2011) Icarus 214, 194-209.]

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