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JPL Small-Body Database Browser
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(2011 JY1)
Classification: Apollo [NEO]          SPK-ID: 3564854
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4128511810007433 5.6831e-08  
a 1.264357624069847 1.2383e-08 au
q .7423660857653167 7.6469e-08 au
i 2.563880485493492 2.121e-05 deg
node 216.2600126158144 6.0879e-05 deg
peri 278.0300062348722 5.9099e-05 deg
M 92.72287039638118 2.8068e-05 deg
tp 2459262.751878470326
(2021-Feb-17.25187847)
3.8527e-05 TDB
period 519.2820664939406
1.42
7.6286e-06
2.089e-08
d
yr
n .693264842421052 1.0185e-08 deg/d
Q 1.786349162374376 1.7495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      108  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      923 days (2.53 yr)  
   first obs. used      2011-05-03  
   last obs. used      2013-11-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:05:43  

Additional Information
 Earth MOID = .00166323 au 
 Jupiter MOID = 3.26398 au 
 T_jup = 5.012 
[ 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 24.6   n/a MPO278269  

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