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47078 (1998 YS2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2047078
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04000569002829694 3.4323e-08  
a 3.227787831558651 2.1883e-08 au
q 3.098657952092207 1.1499e-07 au
i 15.87360512251564 3.677e-06 deg
node 121.7152121039996 1.4365e-05 deg
peri 251.6045435090749 5.2038e-05 deg
M 3.659216302559412 4.8939e-05 deg
tp 2458978.970126492601
(2020-May-09.47012649)
0.000288 TDB
period 2118.146024120599
5.80
2.154e-05
5.897e-08
d
yr
n .1699599536105934 1.7284e-09 deg/d
Q 3.356917711025095 2.2758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1677  
   data-arc span      25173 days (68.92 yr)  
   first obs. used      1951-11-28  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:44:00  

Additional Information
 Earth MOID = 2.13119 au 
 Jupiter MOID = 1.91788 au 
 T_jup = 3.126 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO375296  
diameter diameter 15.838 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47078 (1998 YS2)          Discovered 1998-Dec-17 by ODAS at Caussols
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YS2 = 2000 GR85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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