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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1452586555577201 4.2934e-08  
a 2.695431192354325 1.1906e-08 au
q 2.303896481204593 1.1734e-07 au
i 6.881037401175704 4.5158e-06 deg
node 49.12835035076395 3.0817e-05 deg
peri 309.7515330793896 3.3453e-05 deg
M 305.4275868142801 1.5426e-05 deg
tp 2459245.525598984602
(2021-Jan-31.02559898)
6.9986e-05 TDB
period 1616.370075742566
4.43
1.0709e-05
2.932e-08
d
yr
n .2227212724379439 1.4757e-09 deg/d
Q 3.086965903504057 1.3635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2187  
   data-arc span      24926 days (68.24 yr)  
   first obs. used      1952-01-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:45:24  

Additional Information
 Earth MOID = 1.30823 au 
 Jupiter MOID = 2.38351 au 
 T_jup = 3.344 
[ 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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