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JPL Small-Body Database Browser
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59470 Paveltoufar (1999 HM)
Classification: Main-belt Asteroid          SPK-ID: 2059470
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01656189498098349 1.0231e-07  
a 2.571971886467566 1.8064e-08 au
q 2.529375158189849 2.7086e-07 au
i 3.616407310856875 7.045e-06 deg
node 353.4731635599072 7.5809e-05 deg
peri 172.5604241856958 0.00019014 deg
M 346.1120297241027 0.00016918 deg
tp 2458658.621127427816
(2019-Jun-24.12112743)
0.00070795 TDB
period 1506.599269608683
4.12
1.5873e-05
4.346e-08
d
yr
n .2389487418864239 2.5174e-09 deg/d
Q 2.614568614745285 1.8364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      843  
   data-arc span      7294 days (19.97 yr)  
   first obs. used      1999-04-15  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56287  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:38:53  

Additional Information
 Earth MOID = 1.5344 au 
 Jupiter MOID = 2.34934 au 
 T_jup = 3.426 
[ 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 15.3   n/a MPO337725  
diameter diameter 2.445 km 0.630 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59470 Paveltoufar           Discovered 1999 Apr. 17 by P. Pravec at Ondrejov.
Pavel Toufar (1948-2018) was a Czech journalist and writer. He was known for his popular, yet precise, articles, books and interviews about astronautics based on primary sources as well as on his personal experiences (e.g., with isolation experiments).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-10-26Last Updated: 2019-04-09

[ show close-approach data ]
Alternate Designations
 1999 HM = 2000 ND16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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