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29250 Helmutmoritz (1992 SO17)
Classification: Main-belt Asteroid          SPK-ID: 2029250
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733691679302514 3.8121e-08  
a 2.773510975184057 1.5837e-08 au
q 2.292669685170977 1.0273e-07 au
i 7.584689083207471 5.0257e-06 deg
node 183.5630780283013 2.9365e-05 deg
peri 301.8118093118264 3.3709e-05 deg
M 251.0779942645267 2.0456e-05 deg
tp 2459510.953738992648
(2021-Oct-23.45373899)
9.887e-05 TDB
period 1687.109457786142
4.62
1.445e-05
3.956e-08
d
yr
n .2133827170125636 1.8276e-09 deg/d
Q 3.254352265197137 1.8583e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1171  
   data-arc span      12604 days (34.51 yr)  
   first obs. used      1985-02-24  
   last obs. used      2019-08-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55171  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:47:34  

Additional Information
 Earth MOID = 1.31832 au 
 Jupiter MOID = 1.85619 au 
 T_jup = 3.302 
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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 14.2   n/a MPO431833  
diameter diameter 8.771 km 0.392 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

29250 Helmutmoritz           Discovered 1992 Sept. 24 by L. D. Schmadel and F. Börngen at Tautenburg.
Helmut Moritz (b. 1933) is the most prominent Austrian professor of physical geodesy, a member of the Austrian Academy of Sciences and of many other international academies and societies. Moritz published more than 200 important papers and books on the gravitational field and the rotation of the earth.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

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Alternate Designations
 1992 SO17 = 1985 DR2 = 1999 GY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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