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37960 (1998 HP64)
Classification: Main-belt Asteroid          SPK-ID: 2037960
[ 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 .1915351216857844 4.4376e-08  
a 2.611715664947865 1.1748e-08 au
q 2.111480387253406 1.1321e-07 au
i 3.444207553853072 6.2655e-06 deg
node 202.9620988091831 5.6839e-05 deg
peri 39.17479946134258 5.9065e-05 deg
M 109.992202510328 1.3801e-05 deg
tp 2458729.472063694725
(2019-Sep-02.97206369)		 5.9135e-05 TDB
period 1541.655255553017
4.22		 1.0402e-05
2.848e-08		 d
yr
n .2335152419474367 1.5755e-09 deg/d
Q 3.111950942642323 1.3998e-08 au
   Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53718  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 04:08:45  

Additional Information
 Earth MOID = 1.09876 au 
 Jupiter MOID = 1.90439 au 
 T_jup = 3.381 
[ 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 15.6   n/a MPO474235  
diameter diameter 4.038 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37960 (1998 HP64)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HP64 = 1999 VM15 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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