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JPL Small-Body Database Browser
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(2015 YC18)
Classification: Apollo [NEO]          SPK-ID: 3739151
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3263381484978946 0.0004949  
a 1.367036353732457 0.00087378 au
q .9209202411260938 8.7963e-05 au
i 5.429906517384578 0.0082801 deg
node 57.95554249254459 0.0043335 deg
peri 78.72940126632423 0.0061795 deg
M 6.816904049429819 0.6975 deg
tp 2458589.445141114366
(2019-Apr-15.94514111)
1.1205 TDB
period 583.8059579496579
1.60
0.55973
0.001532
d
yr
n .6166432443826535 0.00059122 deg/d
Q 1.813152466338819 0.0011589 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      12 days  
   first obs. used      2015-12-26  
   last obs. used      2016-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .44749  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-21 06:27:07  

Additional Information
 Earth MOID = .0517252 au 
 Jupiter MOID = 3.23142 au 
 T_jup = 4.771 
[ 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 25.3   n/a MPO435112  
diameter diameter 0.086 km 0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.020   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

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