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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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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01661990798434753 8.7547e-08  
a 2.57403918327359 1.63e-08 au
q 2.531258888899477 2.2974e-07 au
i 3.616775551597302 6.7937e-06 deg
node 353.4303383085778 7.4879e-05 deg
peri 176.1912962421839 0.00017685 deg
M 125.8455616735094 0.00015706 deg
tp 2458673.201470701765
(2019-Jul-08.70147070)
0.00065806 TDB
period 1508.416093686708
4.13
1.4328e-05
3.923e-08
d
yr
n .2386609381235962 2.267e-09 deg/d
Q 2.616819477647701 1.6571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      7768 days (21.27 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:37:19  

Additional Information
 Earth MOID = 1.53436 au 
 Jupiter MOID = 2.34388 au 
 T_jup = 3.425 
[ 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 15.29   n/a E2021B10  
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

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