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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2808654855223374 1.0148e-06  
a 1.050778587395583 1.4798e-07 au
q .7556511492702465 9.5994e-07 au
i 2.980767694693096 8.4198e-06 deg
node 2.024800792712686 8.8519e-05 deg
peri 273.341007337449 6.1763e-05 deg
M 267.480260603314 0.00088928 deg
tp 2459301.610707257660
(2021-Mar-28.11070726)
0.00099321 TDB
period 393.4279846670362
1.08
8.3109e-05
2.275e-07
d
yr
n .9150340444253684 1.9329e-07 deg/d
Q 1.345906025520919 1.8954e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .28669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:37:47  

Additional Information
 Earth MOID = .00221726 au 
 Jupiter MOID = 3.75662 au 
 T_jup = 5.813 
[ 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. 2020-October); 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, A.M.; 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, 458-503.]

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