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JPL Small-Body Database Browser
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(2002 EY2)
Classification: Apollo [NEO, PHA]          SPK-ID: 3117420
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4862575457751803 1.0968e-07  
a 1.725471658488386 4.4098e-08 au
q .8864480445271934 2.0594e-07 au
i 21.72980103781924 6.3125e-05 deg
node 343.4186841608451 2.3986e-05 deg
peri 51.06898429589144 3.7417e-05 deg
M 277.8810594827258 4.4719e-05 deg
tp 2458789.343051267281
(2019-Nov-01.84305127)
0.00011 TDB
period 827.8662392377108
2.27
3.1737e-05
8.689e-08
d
yr
n .434852857789543 1.667e-08 deg/d
Q 2.564495272449579 6.5542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      3265 days (8.94 yr)  
   first obs. used      2002-02-24  
   last obs. used      2011-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59801  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:15:22  

Additional Information
 Earth MOID = .000630984 au 
 Jupiter MOID = 3.08972 au 
 T_jup = 3.950 
[ hide covariance matrix ]
Orbital Elements at Epoch 2452978.5 (2003-Dec-05.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4861571299762723 1.105e-07  
q .8869631804915485 2.0666e-07 au
tp 2452993.213912382723
(2003-Dec-19.71391238)
0.0001143 TDB
node 343.5981530464952 2.3847e-05 deg
peri 50.82460806538025 3.7313e-05 deg
i 21.76221502065803 6.3177e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      3265 days (8.94 yr)  
   first obs. used      2002-02-24  
   last obs. used      2011-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59801  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:15:22  

Additional Information
 Jupiter MOID = 3.08972 au 
 T_jup = 3.950 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.221116590962995E-14 -2.276316187731839E-14 8.13903760768619E-12 -7.30629794855387E-13 2.754246923004992E-12 -1.73891734845941E-12
q -2.276316187731839E-14 4.271030867745547E-14 -1.660258159103412E-11 1.184371450309452E-12 -5.423280254015316E-12 2.887370054918E-12
tp 8.13903760768619E-12 -1.660258159103412E-11 1.306439378081295E-8 3.818197284062329E-10 3.540779493787018E-9 5.912494297992674E-10
node -7.30629794855387E-13 1.184371450309452E-12 3.818197284062329E-10 5.686931092543144E-10 -3.122953691092749E-10 5.338185512460901E-10
peri 2.754246923004992E-12 -5.423280254015316E-12 3.540779493787018E-9 -3.122953691092749E-10 1.392265888614141E-9 -1.012552130531329E-10
i -1.73891734845941E-12 2.887370054918E-12 5.912494297992674E-10 5.338185512460901E-10 -1.012552130531329E-10 3.991364092480933E-9

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 19.3   n/a MPO202389  

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