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637 Chrysothemis (A907 EN)
Classification: Main-belt Asteroid          SPK-ID: 2000637
[ 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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .123893419640605 3.3046e-08  
a 3.172556182721701 1.2327e-08 au
q 2.779497348242365 1.0194e-07 au
i .2708160266597999 3.7443e-06 deg
node 353.3558149167629 0.00076139 deg
peri 173.1233687417772 0.00076157 deg
M 46.93956157449961 1.5347e-05 deg
tp 2458731.378163608081
(2019-Sep-04.87816361)		 8.7879e-05 TDB
period 2064.012910459822
5.65		 1.2029e-05
3.293e-08		 d
yr
n .1744175136577992 1.0165e-09 deg/d
Q 3.565615017201036 1.3854e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3254  
   data-arc span      41409 days (113.37 yr)  
   first obs. used      1907-03-21  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:19:35  

Additional Information
 Earth MOID = 1.78653 au 
 Jupiter MOID = 1.40854 au 
 T_jup = 3.190 
[ 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 11.6   n/a MPO473770  
diameter diameter 24.194 km 0.389 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.7 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 12-19.]
geometric albedo albedo 0.080   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

637 Chrysothemis (A907 EN)          Discovered 1907-Mar-11 by Metcalf, J. H. at Taunton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A907 EN = 1930 GC = 1955 UV = 1975 JM 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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