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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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915791518975478 4.4408e-08  
a 2.61260927466672 1.1831e-08 au
q 2.112087805586402 1.1344e-07 au
i 3.443602877211894 6.2669e-06 deg
node 202.9694625754551 5.7352e-05 deg
peri 39.26761069144982 5.9575e-05 deg
M 63.18904422345208 1.3814e-05 deg
tp 2458729.761879978569
(2019-Sep-03.26187998)
5.9232e-05 TDB
period 1542.44654916843
4.22
1.0478e-05
2.869e-08
d
yr
n .2333954458221484 1.5854e-09 deg/d
Q 3.113130743747038 1.4098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      9167 days (25.10 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:28:20  

Additional Information
 Earth MOID = 1.10079 au 
 Jupiter MOID = 1.90458 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457608.5 (2016-Aug-08.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1906992424904571 4.4504e-08  
q 2.115017827888094 1.1351e-07 au
tp 2457186.914647197353
(2015-Jun-13.41464720)
6.1126e-05 TDB
node 203.0107281895589 5.7319e-05 deg
peri 39.28533002719489 5.9561e-05 deg
i 3.443659076757087 6.2678e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      9167 days (25.10 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:28:20  

Additional Information
 Jupiter MOID = 1.90458 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.980610005474665E-15 -5.035589115161004E-15 -1.751053540725078E-12 1.595139481490222E-14 -4.746214465987371E-13 -2.854906078177672E-16
q -5.035589115161004E-15 1.288466766709328E-14 4.44311988821972E-12 -4.10509614390465E-14 1.210316986112603E-12 7.47108246796011E-16
tp -1.751053540725078E-12 4.44311988821972E-12 3.73634377590455E-9 -2.547880230682989E-11 9.967248245937339E-10 4.982974235825705E-13
node 1.595139481490222E-14 -4.10509614390465E-14 -2.547880230682989E-11 3.285469246620702E-9 -3.285721631300644E-9 -1.00678913729285E-10
peri -4.746214465987371E-13 1.210316986112603E-12 9.967248245937339E-10 -3.285721631300644E-9 3.547546553960179E-9 1.006462581232339E-10
i -2.854906078177672E-16 7.47108246796011E-16 4.982974235825705E-13 -1.00678913729285E-10 1.006462581232339E-10 3.92850375774453E-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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