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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07972292376725287 1.3853e-08  
a 3.152860310414171 1.0933e-08 au
q 2.901505068238225 4.6932e-08 au
i 11.13900392523868 2.9571e-07 deg
node 190.6244797737698 1.2931e-06 deg
peri 9.240186387573633 1.2186e-05 deg
M 241.7827793022391 1.4283e-05 deg
tp 2460067.981056568957
(2023-May-03.48105657)
8.2332e-05 TDB
period 2044.822056702294
5.60
1.0636e-05
2.912e-08
d
yr
n .1760544389767468 9.157e-10 deg/d
Q 3.404215552590117 1.1804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3609  
   data-arc span      37933 days (103.85 yr)  
   first obs. used      1917-05-25  
   last obs. used      2021-04-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41637  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 11:39:59  

Additional Information
 Earth MOID = 1.90087 au 
 Jupiter MOID = 1.54935 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 10.15   n/a E2021B10  
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. 2020-October); 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.]
[Polakis, T. (2020) Minor Planet Bull. 47, 13-17.]
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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