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120481 Johannwalter (1992 SP17)
Classification: Main-belt Asteroid          SPK-ID: 2120481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198154178413617 5.1905e-08  
a 2.401468593476827 1.1724e-08 au
q 1.925607557350322 1.2504e-07 au
i 2.123990358678898 6.8701e-06 deg
node 337.3179260567083 0.00012344 deg
peri 325.3632473728929 0.00012425 deg
M 199.1333095211131 1.4413e-05 deg
tp 2459607.903681927570
(2022-Jan-28.40368193)
5.5646e-05 TDB
period 1359.295232860057
3.72
9.9538e-06
2.725e-08
d
yr
n .2648431270096737 1.9394e-09 deg/d
Q 2.877329629603332 1.4047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      9982 days (27.33 yr)  
   first obs. used      1992-09-24  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:19:52  

Additional Information
 Earth MOID = .910743 au 
 Jupiter MOID = 2.35863 au 
 T_jup = 3.498 
[ 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 16.8   n/a MPO453675  
diameter diameter 1.669 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120481 Johannwalter           Discovered 1992 Sept. 24 by F. Börngen and L.D.Schmadel at Tautenburg.
Johann Walter (1496-1570), born not far from Jena, was cantor in the town of Torgau and director of the Saxon court orchestra. He published several collections of hymnbooks and composed the melody of the international ecumenical song Each morning with its newborn light. The name was suggested by the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08

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Alternate Designations
 1992 SP17 = 2002 CQ229 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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