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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1697187475262315 4.3791e-08  
a 3.365011112230046 1.7028e-08 au
q 2.793905640850511 1.5003e-07 au
i 6.242989729651492 4.4788e-06 deg
node 66.31811420853053 4.5826e-05 deg
peri 283.4176891329942 4.7592e-05 deg
M 337.5673557298875 1.3088e-05 deg
tp 2458740.993473416241
(2019-Sep-14.49347342)
8.1835e-05 TDB
period 2254.645053023582
6.17
1.7114e-05
4.686e-08
d
yr
n .1596703656379187 1.212e-09 deg/d
Q 3.936116583609581 1.9918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2628  
   data-arc span      36180 days (99.06 yr)  
   first obs. used      1920-10-10  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47674  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:59:06  

Additional Information
 Earth MOID = 1.79587 au 
 Jupiter MOID = 1.54554 au 
 T_jup = 3.122 
[ 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 9.55   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 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. 2019-January); 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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