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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914580595630781 4.3321e-08  
a 2.61167138713725 1.1442e-08 au
q 2.11164585113954 1.1082e-07 au
i 3.444167227273375 6.2316e-06 deg
node 202.961722661157 5.4869e-05 deg
peri 39.1468916648423 5.7195e-05 deg
M 155.8058075705544 1.3802e-05 deg
tp 2458729.297961711604
(2019-Sep-02.79796171)
5.9114e-05 TDB
period 1541.616050961738
4.22
1.0131e-05
2.774e-08
d
yr
n .2335211804362142 1.5346e-09 deg/d
Q 3.111696923134961 1.3633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53746  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:31:00  

Additional Information
 Earth MOID = 1.10067 au 
 Jupiter MOID = 1.90337 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 15.61   n/a MPCxxxxx  
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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