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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1523069852471428 3.8952e-08  
a 3.187471886469358 2.1741e-08 au
q 2.701997652881187 1.2065e-07 au
i 1.133685272102585 4.587e-06 deg
node 40.49386855469624 0.0002545 deg
peri 218.6837081932569 0.00025514 deg
M 26.34171954705149 1.7445e-05 deg
tp 2458448.406871873478
(2018-Nov-25.90687187)		 0.00010085 TDB
period 2078.585873171537
5.69		 2.1266e-05
5.822e-08		 d
yr
n .1731946727082806 1.772e-09 deg/d
Q 3.672946120057529 2.5053e-08 au
   Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      9838 days (26.93 yr)  
   first obs. used      1992-11-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:06  

Additional Information
 Earth MOID = 1.68654 au 
 Jupiter MOID = 1.39354 au 
 T_jup = 3.179 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1521968739235268 3.8655e-08  
q 2.702309846678693 1.1973e-07 au
tp 2456375.729067198869
(2013-Mar-24.22906720)		 0.00010619 TDB
node 40.51265276308019 0.00025386 deg
peri 219.6584909220378 0.0002545 deg
i 1.136378783728818 4.5896e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      9838 days (26.93 yr)  
   first obs. used      1992-11-24  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:06  

Additional Information
 Jupiter MOID = 1.39354 au 
 T_jup = 3.179 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.494224569495091E-15 -4.576238863799552E-15 -4.426193806385145E-14 -4.468881320353145E-15 -2.041238218094863E-14 -6.934446583835414E-17
q -4.576238863799552E-15 1.433442153069928E-14 -5.024388296825646E-13 1.314027232926741E-14 -3.053768472757868E-14 2.889300219589869E-16
tp -4.426193806385145E-14 -5.024388296825646E-13 1.127545220351658E-8 4.035113457581781E-12 1.949932646721531E-9 -1.132933067730908E-12
node -4.468881320353145E-15 1.314027232926741E-14 4.035113457581781E-12 6.444602664071196E-8 -6.443226074215291E-8 -2.330404368777271E-10
peri -2.041238218094863E-14 -3.053768472757868E-14 1.949932646721531E-9 -6.443226074215291E-8 6.476973811868993E-8 2.328060506191669E-10
i -6.934446583835414E-17 2.889300219589869E-16 -1.132933067730908E-12 -2.330404368777271E-10 2.328060506191669E-10 2.106418097352778E-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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