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72835 (2001 HE19)
Classification: Main-belt Asteroid          SPK-ID: 2072835
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06460141200341982 4.0644e-08  
a 3.003679817797991 2.3417e-08 au
q 2.809637860362066 1.2228e-07 au
i 5.108033261509139 4.8775e-06 deg
node 218.7012016407018 5.4278e-05 deg
peri 228.3910121496298 7.0192e-05 deg
M 45.5283469131437 4.2352e-05 deg
tp 2458960.031462197685
(2020-Apr-20.53146220)
0.00022405 TDB
period 1901.423607010904
5.21
2.2235e-05
6.088e-08
d
yr
n .1893318241514477 2.214e-09 deg/d
Q 3.197721775233916 2.4929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      9958 days (27.26 yr)  
   first obs. used      1993-12-14  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60302  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:16:15  

Additional Information
 Earth MOID = 1.82868 au 
 Jupiter MOID = 1.97254 au 
 T_jup = 3.243 
[ 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 15.89   n/a MPCxxxxx  
diameter diameter 4.935 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72835 (2001 HE19)          Discovered 2001-Apr-24 by Spacewatch at Kitt Peak
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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