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26811 Hiesinger (1985 QP)
Classification: Main-belt Asteroid          SPK-ID: 2026811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774013411739868 5.1584e-08  
a 2.185746187597713 6.0108e-09 au
q 1.79799188245195 1.1296e-07 au
i 3.14175589403396 5.527e-06 deg
node 357.6709873340369 6.397e-05 deg
peri 1.148222339736378 6.4805e-05 deg
M 141.7470037553514 1.0802e-05 deg
tp 2458135.760690916671
(2018-Jan-17.26069092)
3.471e-05 TDB
period 1180.315257730321
3.23
4.8688e-06
1.333e-08
d
yr
n .3050032587838096 1.2581e-09 deg/d
Q 2.573500492743475 7.0771e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1336  
   data-arc span      17567 days (48.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5828  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:00:07  

Additional Information
 Earth MOID = .793391 au 
 Jupiter MOID = 2.86806 au 
 T_jup = 3.654 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO309362  
diameter diameter 2.492 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.342   0.242 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26811 Hiesinger           Discovered 1985 Aug. 22 by E. Bowell at the Anderson Mesa Station of the Lowell Observatory.
Harald Hiesinger (b. 1964) is a planetary geologist at the Westf{ä}lische Wilhelms-Universit{ä}t in M{ü}nster, Germany. His work includes studies of the cratering and chronology of Vesta's surface as a member of the Dawn mission team.
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 2014-07-12Last Updated: 2014-08-13

Alternate Designations
 1985 QP = 1124 T-1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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