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JPL Small-Body Database Browser
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146801 (2001 YS46)
Classification: Main-belt Asteroid          SPK-ID: 2146801
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0896287154782089 4.7385e-08  
a 3.005950078179792 4.0556e-08 au
q 2.736530633880916 1.5337e-07 au
i 9.379169326244138 5.7156e-06 deg
node 274.6357355460145 3.9509e-05 deg
peri 327.9056589066039 5.7883e-05 deg
M 324.2686076645439 4.1202e-05 deg
tp 2458789.437650824143
(2019-Nov-01.93765082)
0.00021683 TDB
period 1903.579733421083
5.21
3.8524e-05
1.055e-07
d
yr
n .1891173737981617 3.8273e-09 deg/d
Q 3.275369522478669 4.419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      6346 days (17.37 yr)  
   first obs. used      2001-12-18  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:22:25  

Additional Information
 Earth MOID = 1.72792 au 
 Jupiter MOID = 1.80749 au 
 T_jup = 3.225 
[ 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 15.1   n/a MPO432922  
diameter diameter 4.432 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.108   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146801 (2001 YS46)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 YS46 = 2003 EF51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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