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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518737194764386 3.8486e-08  
a 3.186010743072515 2.0238e-08 au
q 2.7021394412302 1.1769e-07 au
i 1.133671651161005 4.5745e-06 deg
node 40.48082583262469 0.00021155 deg
peri 218.6100366989306 0.00021213 deg
M 95.76551269990563 1.6085e-05 deg
tp 2458447.944484864573
(2018-Nov-25.44448486)
9.2418e-05 TDB
period 2077.15679518259
5.69
1.9791e-05
5.418e-08
d
yr
n .1733138301523138 1.6514e-09 deg/d
Q 3.669882044914829 2.3311e-08 au
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      10217 days (27.97 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:11  

Additional Information
 Earth MOID = 1.68702 au 
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1524229700150219 3.8095e-08  
q 2.700507691412403 1.1646e-07 au
tp 2456375.346941742247
(2013-Mar-23.84694174)
9.4471e-05 TDB
node 40.51165224404843 0.00021099 deg
peri 219.5263004644081 0.00021157 deg
i 1.136390855339215 4.5776e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      874  
   data-arc span      10217 days (27.97 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58612  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:22:11  

Additional Information
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.451222542153217E-15 -4.393370950061448E-15 -3.57953238853366E-13 -1.721520135306261E-15 -8.281810372401814E-14 -4.078561720654058E-17
q -4.393370950061448E-15 1.356197439495482E-14 8.146399912251645E-13 4.432782166096398E-15 2.285678290581363E-13 1.676523854519209E-16
tp -3.57953238853366E-13 8.146399912251645E-13 8.924694420962863E-9 5.035856607237169E-12 1.50427314404016E-9 -9.081740820577078E-13
node -1.721520135306261E-15 4.432782166096398E-15 5.035856607237169E-12 4.45152145492126E-8 -4.450528224157465E-8 -1.993124603784268E-10
peri -8.281810372401814E-14 2.285678290581363E-13 1.50427314404016E-9 -4.450528224157465E-8 4.476244429209839E-8 1.991274139505663E-10
i -4.078561720654058E-17 1.676523854519209E-16 -9.081740820577078E-13 -1.993124603784268E-10 1.991274139505663E-10 2.095449187186149E-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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