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(2009 DO111)
Classification: Apollo [NEO]          SPK-ID: 3449749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2809136515804572 1.0195e-06  
a 1.050725942525987 1.4834e-07 au
q .7555626812006944 9.6461e-07 au
i 2.980765614944724 8.5006e-06 deg
node 2.027457444127001 8.882e-05 deg
peri 273.3298898127389 6.1936e-05 deg
M 84.48014420415321 0.00085444 deg
tp 2458908.182346890288
(2020-Feb-28.68234689)
0.00091416 TDB
period 393.3984184399937
1.08
8.3311e-05
2.281e-07
d
yr
n .9151028146670395 1.9379e-07 deg/d
Q 1.34588920385128 1.9001e-07 au
  Orbit Determination Parameters
   # obs. used (total)      271  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      983 days (2.69 yr)  
   first obs. used      2009-02-22  
   last obs. used      2011-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .28423  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:01:09  

Additional Information
 Earth MOID = .00219606 au 
 Jupiter MOID = 3.7576 au 
 T_jup = 5.814 
[ 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 22.8   n/a MPO264987  
rotation period rot_per 0.04890 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Koehn, B.W.; Bowell, E.L.G.; Skiff, B.A.; Sanborn, J.J.; et al. (2014) Minor Planet Bull. 41, 286-300.]
[Vaduvescu, O.; Aznar Macias, A.; Tudor, V.; Predatu, M.; et al. (2017) Earth, Moon, and Planets 120, 41-100.]
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46-4, in press.]

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