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JPL Small-Body Database Browser
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(2018 YL2)
Classification: Apollo [NEO]          SPK-ID: 3837526
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5792449259730312 0.00045479  
a 2.134048020037456 0.0021766 au
q .8979115326479657 5.4723e-05 au
i 4.251814514463828 0.0025354 deg
node 275.729600273223 9.8256e-05 deg
peri 139.5426257455344 0.0022604 deg
M 173.8673067059729 0.26739 deg
tp 2458450.553890215398
(2018-Nov-28.05389022)
0.0043847 TDB
period 1138.687906733735
3.12
1.7421
0.00477
d
yr
n .316153353233232 0.00048369 deg/d
Q 3.370184507426945 0.0034374 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      6 days  
   first obs. used      2018-12-28  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-08 06:56:03  

Additional Information
 Earth MOID = .000322158 au 
 Jupiter MOID = 2.03046 au 
 T_jup = 3.479 
[ 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 29.4   .42369 MPO467308 autocmod 2.6q

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