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(2009 DO111)
Classification: Apollo [NEO]          SPK-ID: 3449749
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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455026.5 (2009-Jul-14.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797926897936074 1.0502e-06  
q .7557357817597096 9.4872e-07 au
tp 2454980.154934805955
(2009-May-28.65493481)
4.1977e-05 TDB
node 2.262521729144694 1.8708e-05 deg
peri 273.0725302106123 5.5671e-05 deg
i 2.986497703132754 8.4661e-06 deg
  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
 Jupiter MOID = 3.7576 au 
 T_jup = 5.814 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.10300633490927E-12 -9.963625917410494E-13 -4.404676642649516E-11 1.29609535567563E-11 5.666212760769977E-11 2.356356784062922E-12
q -9.963625917410494E-13 9.000612500454202E-13 3.978425977780164E-11 -1.170566989497938E-11 -5.119394991153754E-11 -2.129838998543972E-12
tp -4.404676642649516E-11 3.978425977780164E-11 1.762041782997616E-9 -5.083069718124681E-10 -2.268595383571203E-9 -9.558312739209644E-11
node 1.29609535567563E-11 -1.170566989497938E-11 -5.083069718124681E-10 3.500051279738786E-10 4.748338472875387E-10 -7.199710848214438E-11
peri 5.666212760769977E-11 -5.119394991153754E-11 -2.268595383571203E-9 4.748338472875387E-10 3.099304152480108E-9 2.200919802353785E-10
i 2.356356784062922E-12 -2.129838998543972E-12 -9.558312739209644E-11 -7.199710848214438E-11 2.200919802353785E-10 7.167418454823837E-11

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.]

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