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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915791426391207 4.8168e-08  
a 2.61260927635688 1.2291e-08 au
q 2.112087831141416 1.2456e-07 au
i 3.443600030815698 6.7189e-06 deg
node 202.9694374558438 6.1469e-05 deg
peri 39.26763451901438 6.355e-05 deg
M 63.18904427463391 1.3815e-05 deg
tp 2458729.761879496557
(2019-Sep-03.26187950)
5.9236e-05 TDB
period 1542.4465506652
4.22
1.0885e-05
2.98e-08
d
yr
n .2333954455956645 1.6471e-09 deg/d
Q 3.113130721572345 1.4646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      9127 days (24.99 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 17:33:27  

Additional Information
 Earth MOID = 1.10079 au 
 Jupiter MOID = 1.90458 au 
 T_jup = 3.380 
[ 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

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