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(2020 OY4)
Classification: Apollo [NEO]          SPK-ID: 54049794
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3889369705886402 6.5446e-05  
a 1.124822166415002 5.8425e-05 au
q .6873372405585997 3.7936e-05 au
i 2.114838004285858 0.00037068 deg
node 305.5026685678274 3.0645e-05 deg
peri 98.70299590432583 0.00043979 deg
M 257.939951187538 0.011577 deg
tp 2459124.031438051365
(2020-Oct-01.53143805)
0.0043879 TDB
period 435.7367864893782
1.19
0.033949
9.295e-05
d
yr
n .8261868429802073 6.437e-05 deg/d
Q 1.562307092271404 8.1148e-05 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      2 days  
   first obs. used      2020-07-26  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .33727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-31 06:19:45  

Additional Information
 Earth MOID = 8.78638E-5 au 
 Jupiter MOID = 3.84021 au 
 T_jup = 5.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459057.5 (2020-Jul-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3897881130646645 6.513e-05  
q .6867391344828243 3.7659e-05 au
tp 2459123.972478289843
(2020-Oct-01.47247829)
0.0043596 TDB
node 305.4918568143546 3.4169e-05 deg
peri 98.72106920810134 0.00044768 deg
i 2.120449136832236 0.00036881 deg
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      2 days  
   first obs. used      2020-07-26  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .33727  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-31 06:19:45  

Additional Information
 Jupiter MOID = 3.84021 au 
 T_jup = 5.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.241859747707401E-9 -2.452023185330463E-9 -2.839127498193573E-7 1.546785555106046E-9 -2.618978523525078E-8 2.393901181301693E-8
q -2.452023185330463E-9 1.418228436235991E-9 1.640611698802618E-7 -8.767356638119704E-10 1.496037347343083E-8 -1.385279228627021E-8
tp -2.839127498193573E-7 1.640611698802618E-7 1.900640518325804E-5 -1.04610850580326E-7 1.764894803148096E-6 -1.601337547307367E-6
node 1.546785555106046E-9 -8.767356638119704E-10 -1.04610850580326E-7 1.16752489093071E-9 -1.345634222468553E-8 8.159520492371012E-9
peri -2.618978523525078E-8 1.496037347343083E-8 1.764894803148096E-6 -1.345634222468553E-8 2.004194284554439E-7 -1.444198363130709E-7
i 2.393901181301693E-8 -1.385279228627021E-8 -1.601337547307367E-6 8.159520492371012E-9 -1.444198363130709E-7 1.36017890220759E-7

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 30.181   .41331 4 autocmod 2.8

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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