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JPL Small-Body Database Browser
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46264 (2001 HB50)
Classification: Main-belt Asteroid          SPK-ID: 2046264
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04340124857078846 6.6988e-08  
a 2.96745407902101 2.1109e-08 au
q 2.838662866915019 2.0277e-07 au
i 7.480128849133086 6.7365e-06 deg
node 236.4748205113745 4.1489e-05 deg
peri 346.5265482525313 6.9153e-05 deg
M 192.916421890049 5.6353e-05 deg
tp 2459467.074098019955
(2021-Sep-09.57409802)
0.00029418 TDB
period 1867.129485830686
5.11
1.9923e-05
5.455e-08
d
yr
n .1928093379339655 2.0574e-09 deg/d
Q 3.096245291127001 2.2026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      887  
   data-arc span      9156 days (25.07 yr)  
   first obs. used      1993-12-16  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56458  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:36:51  

Additional Information
 Earth MOID = 1.82965 au 
 Jupiter MOID = 1.89644 au 
 T_jup = 3.250 
[ 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 14.5   n/a MPO333221  
diameter diameter 3.816 km 0.637 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.542 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.253   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46264 (2001 HB50)          Discovered 2001-Apr-21 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HB50 = 2000 CY115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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