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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09931603993011578 1.8831e-08  
a 1.148055213039574 7.9832e-09 au
q 1.034034915659358 2.0944e-08 au
i 1.710412665418721 1.7581e-06 deg
node 144.3614940058824 4.0713e-05 deg
peri 122.7618406038824 4.9017e-05 deg
M 143.6141206989894 1.6255e-05 deg
tp 2459021.259052069684
(2020-Jun-20.75905207)
2.1386e-05 TDB
period 449.3063839464619
1.23
4.6865e-06
1.283e-08
d
yr
n .8012349987951576 8.3572e-09 deg/d
Q 1.26207551041979 8.776e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -3.26031189684761E-13 3.583E-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)      113  
   data-arc span      4071 days (11.15 yr)  
   first obs. used      2009-07-21  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:47:32  

Additional Information
 Earth MOID = .0279162 au 
 Jupiter MOID = 3.75702 au 
 T_jup = 5.467 
 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 24.4   n/a MPO562196  

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