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48480 Falk (1991 YK1)
Classification: Main-belt Asteroid          SPK-ID: 2048480
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651608972525705 3.0323e-08  
a 3.179189023783664 1.6846e-08 au
q 2.65411131208003 9.797e-08 au
i 8.452779158975494 3.6303e-06 deg
node 94.5605392361722 2.9273e-05 deg
peri 6.956416721511743 3.4175e-05 deg
M 68.78155310083083 1.5539e-05 deg
tp 2459000.912618748004
(2020-May-31.41261875)
8.9033e-05 TDB
period 2070.489118527891
5.67
1.6457e-05
4.506e-08
d
yr
n .1738719594218193 1.382e-09 deg/d
Q 3.704266735487298 1.9629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1446  
   data-arc span      10786 days (29.53 yr)  
   first obs. used      1991-12-28  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 00:58:01  

Additional Information
 Earth MOID = 1.67144 au 
 Jupiter MOID = 1.47144 au 
 T_jup = 3.162 
[ 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 14.15   n/a MPCxxxxx  
diameter diameter 4.089 km 0.906 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48480 Falk           Discovered 1991 Dec. 28 by F. Börngen at Tautenburg.
Writer and social pedagogue Johann Daniel Falk (1768-1826), legation councillor at Weimar and friendly with Goethe, founded the "Society of the Friends in Need" and a home for neglected children during the Napoleonic wars. His song O du fröhliche is one of the best known Christmas carols.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030501/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1991 YK1 = 1998 CJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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