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(2011 SE97)
Classification: Apollo [NEO]          SPK-ID: 3579460
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6663786483376426 1.0336e-07  
a 2.523181330895316 9.2839e-09 au
q .8417871661025212 2.6229e-07 au
i 2.382447024527591 1.0968e-05 deg
node 188.7344108080191 3.924e-05 deg
peri 243.1810744129136 6.2263e-05 deg
M 46.18578901548844 5.1216e-06 deg
tp 2458812.686421597534
(2019-Nov-25.18642160)
2.1298e-05 TDB
period 1463.932730524833
4.01
8.0797e-06
2.212e-08
d
yr
n .2459129388212645 1.3572e-09 deg/d
Q 4.204575495688111 1.5471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   # delay obs. used      4  
   # Doppler obs. used      1  
   data-arc span      2929 days (8.02 yr)  
   first obs. used      2011-09-26  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34646  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-12 07:23:56  

Additional Information
 Earth MOID = .00769838 au 
 Jupiter MOID = 1.12847 au 
 T_jup = 3.100 
[ 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 24.7   n/a MPO227505  
rotation period rot_per 0.017 h n/a Pers comm. M. Nolan (Arecibo) 2011-Oct-11 Small fast rotator, period on order of a minute.

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