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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518737182894715 3.8636e-08  
a 3.186010744462529 2.0627e-08 au
q 2.702139446190798 1.1855e-07 au
i 1.133671520719246 4.5798e-06 deg
node 40.48087503591766 0.00022781 deg
peri 218.6099857464249 0.0002284 deg
M 95.76551398926385 1.6506e-05 deg
tp 2458447.944477063522
(2018-Nov-25.44447706)
9.5096e-05 TDB
period 2077.156796541945
5.69
2.0172e-05
5.523e-08
d
yr
n .173313830038892 1.6831e-09 deg/d
Q 3.669882042734261 2.376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      10195 days (27.91 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:48:17  

Additional Information
 Earth MOID = 1.68702 au 
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
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Orbital Elements at Epoch 2457110.5 (2015-Mar-29.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .152311428392929 3.8258e-08  
q 2.701220764496389 1.1743e-07 au
tp 2456375.410513425770
(2013-Mar-23.91051343)
9.8182e-05 TDB
node 40.51199093703956 0.00022719 deg
peri 219.5625598424183 0.00022778 deg
i 1.136430981680738 4.5827e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      10195 days (27.91 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:48:17  

Additional Information
 Jupiter MOID = 1.39657 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.463708454404132E-15 -4.446951002160699E-15 -2.617797729211455E-13 -1.70778647986728E-15 -6.454968541180578E-14 -5.072745888879139E-17
q -4.446951002160699E-15 1.378987640770269E-14 4.111410189952937E-13 4.456301317108981E-15 1.51852631332801E-13 2.097288256260597E-16
tp -2.617797729211455E-13 4.111410189952937E-13 9.6397860349994E-9 2.980094455743395E-12 1.641608744588676E-9 -9.71071577240168E-13
node -1.70778647986728E-15 4.456301317108981E-15 2.980094455743395E-12 5.161434842812037E-8 -5.160334037048303E-8 -2.179979990853793E-10
peri -6.454968541180578E-14 1.51852631332801E-13 1.641608744588676E-9 -5.160334037048303E-8 5.188502890073521E-8 2.177972672065661E-10
i -5.072745888879139E-17 2.097288256260597E-16 -9.71071577240168E-13 -2.179979990853793E-10 2.177972672065661E-10 2.100106003182609E-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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