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46260 (2001 HC46)
Classification: Main-belt Asteroid          SPK-ID: 2046260
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0498879872278307 5.0963e-08  
a 3.193739917956754 3.4058e-08 au
q 3.034410661720714 1.5818e-07 au
i 11.40342435742164 4.7444e-06 deg
node 90.67156317523551 2.7553e-05 deg
peri 294.6472068522413 5.7342e-05 deg
M 248.5576696058068 5.0625e-05 deg
tp 2459245.850173245881
(2021-Jan-31.35017325)
0.00029437 TDB
period 2084.720065945631
5.71
3.3347e-05
9.13e-08
d
yr
n .1726850553609958 2.7623e-09 deg/d
Q 3.353069174192793 3.5757e-08 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      7454 days (20.41 yr)  
   first obs. used      1998-12-08  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54344  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:33:16  

Additional Information
 Earth MOID = 2.06205 au 
 Jupiter MOID = 1.97859 au 
 T_jup = 3.163 
[ 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 13.7   n/a MPO365793  
diameter diameter 8.060 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46260 (2001 HC46)          Discovered 2001-Apr-17 by LONEOS at Anderson Mesa
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HC46 = 1998 XL15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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