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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238934060340039 4.0873e-08  
a 3.17255618606706 1.3721e-08 au
q 2.779497394340963 1.3057e-07 au
i .2708204176005376 4.1045e-06 deg
node 353.35507556 0.00081109 deg
peri 173.1241097103463 0.00081126 deg
M 46.93955821633042 1.5837e-05 deg
tp 2458731.378182436034
(2019-Sep-04.87818244)
9.0508e-05 TDB
period 2064.012913724476
5.65
1.339e-05
3.666e-08
d
yr
n .1744175133819227 1.1315e-09 deg/d
Q 3.565614977793156 1.5421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2830  
   data-arc span      41227 days (112.87 yr)  
   first obs. used      1907-03-21  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:32:44  

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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