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JPL Small-Body Database Browser
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(2003 YL118)
Classification: Apollo [NEO, PHA]          SPK-ID: 3170231
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 2455713.5 (2011-Jun-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4862072148973282 2.0413e-07  
a 1.130047953480738 4.669e-09 au
q .5806104853184429 2.3164e-07 au
i 7.612151870241276 1.6544e-05 deg
node 278.8182347760905 2.4622e-05 deg
peri 65.60857109973847 3.7304e-05 deg
M 117.6402363932314 3.6938e-05 deg
tp 2455570.117177807736
(2011-Jan-08.61717781)
4.5613e-05 TDB
period 438.7768808681597
1.20
2.7193e-06
7.445e-09
d
yr
n .8204625532860972 5.0848e-09 deg/d
Q 1.679485421643033 6.9391e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -1.630988178653238E-13 3.462E-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)      109  
   data-arc span      4399 days (12.04 yr)  
   first obs. used      2003-12-28  
   last obs. used      2016-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34303  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 15:49:03  

Additional Information
 Earth MOID = .0212139 au 
 Jupiter MOID = 3.75598 au 
 T_jup = 5.412 
 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 21.6   n/a MPO168565  

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