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46228 (2001 HZ2)
Classification: Main-belt Asteroid          SPK-ID: 2046228
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .151873730677048 3.8964e-08  
a 3.186010743630359 2.1493e-08 au
q 2.70213940601806 1.2043e-07 au
i 1.13366875688165 4.5823e-06 deg
node 40.48115417783023 0.00025447 deg
peri 218.609696288438 0.00025511 deg
M 95.76552189445788 1.7441e-05 deg
tp 2458447.944431667988
(2018-Nov-25.44443167)
0.00010102 TDB
period 2077.15679572813
5.69
2.1019e-05
5.755e-08
d
yr
n .1733138301067951 1.7538e-09 deg/d
Q 3.669882081242657 2.4758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      9873 days (27.03 yr)  
   first obs. used      1992-11-24  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:53:06  

Additional Information
 Earth MOID = 1.68702 au 
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456877.5 (2014-Aug-08.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152198756398185 3.863e-08  
q 2.702272020155232 1.1962e-07 au
tp 2456375.712472600434
(2013-Mar-24.21247260)
0.00010617 TDB
node 40.51262371279336 0.00025379 deg
peri 219.6540737685165 0.00025443 deg
i 1.136379184095703 4.5846e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      800  
   data-arc span      9873 days (27.03 yr)  
   first obs. used      1992-11-24  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60763  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:53:06  

Additional Information
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.492274999905678E-15 -4.569287657360731E-15 -4.249616061182114E-14 -4.437796121337669E-15 -2.025600574415078E-14 -6.87507525403726E-17
q -4.569287657360731E-15 1.430969598921634E-14 -5.087780214104639E-13 1.302882050257303E-14 -3.110988731034428E-14 2.867972552694489E-16
tp -4.249616061182114E-14 -5.087780214104639E-13 1.127299023955103E-8 4.179115962244657E-12 1.949506251193759E-9 -1.127371116570581E-12
node -4.437796121337669E-15 1.302882050257303E-14 4.179115962244657E-12 6.440877528996881E-8 -6.43949911995789E-8 -2.343520919982844E-10
peri -2.025600574415078E-14 -3.110988731034428E-14 1.949506251193759E-9 -6.43949911995789E-8 6.473241956463167E-8 2.341183920274177E-10
i -6.87507525403726E-17 2.867972552694489E-16 -1.127371116570581E-12 -2.343520919982844E-10 2.341183920274177E-10 2.101894509388931E-11

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 14.6   n/a MPO235030  
diameter diameter 5.809 km 1.786 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46228 (2001 HZ2)          Discovered 2001-Apr-17 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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