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(2007 DD)
Classification: Aten [NEO]          SPK-ID: 3368404
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156972653840728 1.7715e-06  
a .9873696142276459 8.1549e-08 au
q .8731336499381803 1.821e-06 au
i 2.624203833838116 3.0369e-05 deg
node 328.9937758683915 0.00011214 deg
peri 77.60798631848455 0.00022569 deg
M 115.5486930847532 0.00078888 deg
tp 2459085.478083193019
(2020-Aug-23.97808319)
0.00077104 TDB
period 358.3587918224315
0.98
4.4397e-05
1.216e-07
d
yr
n 1.00457979046425 1.2446e-07 deg/d
Q 1.101605578517111 9.0984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      1565 days (4.28 yr)  
   first obs. used      2007-02-17  
   last obs. used      2011-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .63293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 00:28:28  

Additional Information
 Earth MOID = .00416313 au 
 Jupiter MOID = 4.05351 au 
 T_jup = 6.134 
[ 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 25.9   n/a MPO419372  
rotation period rot_per 0.07429 h n/a LCDB (Rev. 2020-October); 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:
[Kwiatkowski, T.; Buckley, D.A.H.; O'Donoghue, D.; Crause, L.; et al. (2010) Astron. Astrophys. 509, A94.]
[Statler, T.S.; Cotto-Figueroa, D.; Riethmiller, D.A.; Sweeney, K.M. (2013) Icarus 225, 141-155.]

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