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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04318789187085553 6.4686e-08  
a 2.967448385762385 2.0907e-08 au
q 2.839290545745735 1.9697e-07 au
i 7.4791300715756 6.4441e-06 deg
node 236.469049302139 3.995e-05 deg
peri 346.7625584130847 6.7847e-05 deg
M 269.7776610318269 5.6271e-05 deg
tp 2459468.434179374822
(2021-Sep-10.93417937)
0.00029306 TDB
period 1867.124112514536
5.11
1.9732e-05
5.402e-08
d
yr
n .1928098928116634 2.0376e-09 deg/d
Q 3.095606225779036 2.181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      9544 days (26.13 yr)  
   first obs. used      1993-12-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:24:21  

Additional Information
 Earth MOID = 1.83018 au 
 Jupiter MOID = 1.8965 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-August); 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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