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(2009 OS5)
Classification: Amor [NEO]          SPK-ID: 3465236
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 .09763717954457111 5.9904e-08  
a 1.144982346730009 1.8033e-08 au
q 1.033189499766967 8.0051e-08 au
i 1.693111335659589 2.3324e-06 deg
node 145.0161995602112 7.3121e-05 deg
peri 121.20640812642 0.00010729 deg
M 344.0217903245719 4.5879e-05 deg
tp 2459020.361965730483
(2020-Jun-19.86196573)
5.6581e-05 TDB
period 447.5036820908679
1.23
1.0572e-05
2.894e-08
d
yr
n .8044626545148742 1.9005e-08 deg/d
Q 1.256775193693051 1.9794e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -3.56738093819682E-13 7.163E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      4017 days (11.00 yr)  
   first obs. used      2009-07-21  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-21 06:56:26  

Additional Information
 Earth MOID = .0288613 au 
 Jupiter MOID = 3.76103 au 
 T_jup = 5.478 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 24.5   n/a MPO317474  

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