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2805 Kalle (1941 UM)
Classification: Main-belt Asteroid          SPK-ID: 2002805
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 .1460544275252235 4.3329e-08  
a 2.692951224746779 1.1733e-08 au
q 2.299633775263039 1.1828e-07 au
i 6.887955482198953 4.5489e-06 deg
node 49.15949399969681 3.1259e-05 deg
peri 310.0962961180364 3.3877e-05 deg
M 215.9588303069393 1.5287e-05 deg
tp 2459246.340531245206
(2021-Jan-31.84053125)
7.0276e-05 TDB
period 1614.13984448833
4.42
1.0549e-05
2.888e-08
d
yr
n .2230290028644434 1.4576e-09 deg/d
Q 3.08626867423052 1.3447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2149  
   data-arc span      24671 days (67.55 yr)  
   first obs. used      1952-01-30  
   last obs. used      2019-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:27:16  

Additional Information
 Earth MOID = 1.30317 au 
 Jupiter MOID = 2.38108 au 
 T_jup = 3.345 
[ 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 12.5   n/a MPO344320  
diameter diameter 16.623 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2805 Kalle (1941 UM)          Discovered 1941-Oct-15 by Oterma, L. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1941 UM = 1974 DG1 = 1979 FO3 = 1981 XX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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