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940 Kordula (A920 TE)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000940
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700128733358157 3.7997e-08  
a 3.366778134001789 1.5122e-08 au
q 2.794382509555949 1.2769e-07 au
i 6.242018137719312 4.2102e-06 deg
node 66.31995808428798 3.9269e-05 deg
peri 283.5884554917122 4.1093e-05 deg
M 73.18794214257153 1.1896e-05 deg
tp 2458741.769930234794
(2019-Sep-15.26993023)
7.5187e-05 TDB
period 2256.42121203207
6.18
1.5202e-05
4.162e-08
d
yr
n .1595446799030018 1.0749e-09 deg/d
Q 3.939173758447629 1.7693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3218  
   data-arc span      36690 days (100.45 yr)  
   first obs. used      1920-10-10  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:01:12  

Additional Information
 Earth MOID = 1.79554 au 
 Jupiter MOID = 1.5472 au 
 T_jup = 3.121 
[ 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 9.31   n/a E2021B10 IRAS observations used: 6
diameter diameter 79.852 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 15.57 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Zappala, V.; Di Martino, M.; Cellino, A.; Farinella, P.; et al. (1989) Icarus 82, 354-368.]
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.580   0.026 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=4.81 deg.
U-B UB 0.363   0.037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=4.81 deg.
Tholen spectral type spec_T FC:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

940 Kordula (A920 TE)          Discovered 1920-Oct-10 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A920 TE = 1947 BG = 1947 EB = 1954 DB = 1963 PC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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