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72843 (2001 HP33)
Classification: Main-belt Asteroid          SPK-ID: 2072843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06805737904926711 3.5749e-08  
a 2.991766995878088 1.7744e-08 au
q 2.788155175412526 1.0953e-07 au
i 12.39514031082973 5.3164e-06 deg
node 43.80025833446299 2.1145e-05 deg
peri 70.17366830597055 6.3192e-05 deg
M 26.86223042177991 5.5132e-05 deg
tp 2459059.464109000940
(2020-Jul-28.96410900)
0.00028984 TDB
period 1890.123044976001
5.17
1.6816e-05
4.604e-08
d
yr
n .1904637906811887 1.6945e-09 deg/d
Q 3.19537881634365 1.8952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      10406 days (28.49 yr)  
   first obs. used      1992-09-24  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:16  

Additional Information
 Earth MOID = 1.83394 au 
 Jupiter MOID = 1.95883 au 
 T_jup = 3.217 
[ 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 14.43   n/a MPCxxxxx  
diameter diameter 4.258 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.204   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72843 (2001 HP33)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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