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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09092017999866174 3.9901e-08  
a 3.009639858022155 3.2116e-08 au
q 2.736002860399634 1.2105e-07 au
i 9.377971052202534 5.2817e-06 deg
node 274.6310712730549 2.948e-05 deg
peri 327.6394436433723 5.0691e-05 deg
M 40.05917653505659 3.8097e-05 deg
tp 2458788.288097728073
(2019-Oct-31.78809773)
0.00020364 TDB
period 1907.085752275454
5.22
3.0526e-05
8.358e-08
d
yr
n .1887696972044719 3.0215e-09 deg/d
Q 3.283276855644676 3.5036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      6798 days (18.61 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 11:32:33  

Additional Information
 Earth MOID = 1.72772 au 
 Jupiter MOID = 1.80009 au 
 T_jup = 3.223 
[ 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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