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874 Rotraut (A917 KK)
Classification: Main-belt Asteroid          SPK-ID: 2000874
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 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08006988138851606 3.1753e-08  
a 3.151536613706317 1.2814e-08 au
q 2.899193450855287 9.6782e-08 au
i 11.14107565012174 3.4504e-06 deg
node 190.6314118148729 1.6476e-05 deg
peri 9.454709030258504 2.6206e-05 deg
M 171.8045938369928 2.0911e-05 deg
tp 2458025.253874174453
(2017-Sep-28.75387417)
0.00011753 TDB
period 2043.534444895623
5.59
1.2463e-05
3.412e-08
d
yr
n .1761653692205749 1.0744e-09 deg/d
Q 3.403879776557348 1.384e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3275  
   data-arc span      37776 days (103.43 yr)  
   first obs. used      1917-05-25  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42448  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:24:53  

Additional Information
 Earth MOID = 1.89781 au 
 Jupiter MOID = 1.55184 au 
 T_jup = 3.173 
[ 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 10.1   n/a MPO439070  
diameter diameter 58.287 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.297 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Ditteon, R.; Adam, A.; Doyel, M.; Gibson, J.; et al. (2018) Minor Planet Bull. 45, 13-16.]
[Polakis, T. (2018) Minor Planet Bull. 45, 347-352.]
geometric albedo albedo 0.054   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

874 Rotraut (A917 KK)          Discovered 1917-May-25 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A917 KK = 1976 WJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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