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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238418760445425 3.2885e-08  
a 3.17360602622121 1.2209e-08 au
q 2.780580702107709 1.0113e-07 au
i .2708110771399083 3.7157e-06 deg
node 353.3650615839169 0.00076113 deg
peri 173.2854226899072 0.0007613 deg
M 81.66026971508046 1.5367e-05 deg
tp 2458732.079110641342
(2019-Sep-05.57911064)
8.7917e-05 TDB
period 2065.037511601251
5.65
1.1916e-05
3.262e-08
d
yr
n .1743309736397245 1.0059e-09 deg/d
Q 3.56663135033471 1.372e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3281  
   data-arc span      41443 days (113.46 yr)  
   first obs. used      1907-03-21  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42126  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:27:27  

Additional Information
 Earth MOID = 1.78725 au 
 Jupiter MOID = 1.40638 au 
 T_jup = 3.189 
[ 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 11.62   n/a E2021B10  
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. 2020-October); 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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