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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915791451049677 5.6198e-08  
a 2.612609276028372 1.3162e-08 au
q 2.112087824433548 1.4773e-07 au
i 3.443595166330612 7.7139e-06 deg
node 202.9694157429626 6.43e-05 deg
peri 39.26765614522721 6.6279e-05 deg
M 63.18904452491925 1.3843e-05 deg
tp 2458729.761878475254
(2019-Sep-03.26187848)
5.9326e-05 TDB
period 1542.446550374279
4.22
1.1656e-05
3.191e-08
d
yr
n .2333954456396852 1.7637e-09 deg/d
Q 3.113130727623195 1.5684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      8680 days (23.76 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:29:49  

Additional Information
 Earth MOID = 1.10079 au 
 Jupiter MOID = 1.90458 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456912.5 (2014-Sep-12.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905625285472249 5.6404e-08  
q 2.115364838497119 1.4785e-07 au
tp 2457186.524267673619
(2015-Jun-13.02426767)
6.1262e-05 TDB
node 203.0260006855944 6.4291e-05 deg
peri 39.1458272013875 6.6287e-05 deg
i 3.442834085667879 7.714e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      623  
   data-arc span      8680 days (23.76 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:29:49  

Additional Information
 Jupiter MOID = 1.90458 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.181366659832878E-15 -8.318093877384459E-15 -1.641077796550903E-12 1.250519918262371E-14 -3.541737114229426E-13 -3.01279951079072E-15
q -8.318093877384459E-15 2.185941975864291E-14 4.140489914024479E-12 -3.37632279175704E-14 8.819400441303697E-13 7.80509150832105E-15
tp -1.641077796550903E-12 4.140489914024479E-12 3.752992313924946E-9 -7.274063125204732E-12 9.91706513242182E-10 3.715514266641707E-12
node 1.250519918262371E-14 -3.37632279175704E-14 -7.274063125204732E-12 4.133392672638008E-9 -4.126699330027366E-9 2.158765021492316E-11
peri -3.541737114229426E-13 8.819400441303697E-13 9.91706513242182E-10 -4.126699330027366E-9 4.393929189876689E-9 -2.059788527926371E-11
i -3.01279951079072E-15 7.80509150832105E-15 3.715514266641707E-12 2.158765021492316E-11 -2.059788527926371E-11 5.950542357690012E-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 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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