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938 Chlosinde (A920 RC)
Classification: Main-belt Asteroid          SPK-ID: 2000938
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957032036874705 3.3868e-08  
a 3.148299306753278 1.115e-08 au
q 2.53216704625462 1.0855e-07 au
i 2.669766954198374 3.2607e-06 deg
node 119.0658001656648 8.7707e-05 deg
peri 225.8747048430727 8.8242e-05 deg
M 265.8720331916863 1.2111e-05 deg
tp 2459533.992876209939
(2021-Nov-15.49287621)
6.9997e-05 TDB
period 2040.38652855099
5.59
1.0839e-05
2.968e-08
d
yr
n .176437157843646 9.373e-10 deg/d
Q 3.764431567251937 1.3332e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2985  
   data-arc span      36439 days (99.76 yr)  
   first obs. used      1920-09-10  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44139  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:23:10  

Additional Information
 Earth MOID = 1.52568 au 
 Jupiter MOID = 1.65318 au 
 T_jup = 3.177 
[ 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 11.3   n/a MPO270199  
diameter diameter 33.466 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 19.204 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hayes-Gehrke, M.; Benik, J.; Kovacs, Z.; Knutson, S.; Mills, C. (2011) Minor Planet Bull. 38, 75.]
[Stephens, R.D. (2011) Minor Planet Bull. 38, 23-24.]
geometric albedo albedo 0.046   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

938 Chlosinde (A920 RC)          Discovered 1920-Sep-09 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A920 RC = 1948 RJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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