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JPL Small-Body Database Browser
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12661 Schelling (1976 DA1)
Classification: Main-belt Asteroid          SPK-ID: 2012661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1177930306047594 3.7633e-08  
a 2.288337891443313 8.4621e-09 au
q 2.0187876361625 8.482e-08 au
i 4.874949855871582 3.8207e-06 deg
node 134.4683198899142 4.4342e-05 deg
peri 59.38635239120392 4.7041e-05 deg
M 121.8662217190377 1.7534e-05 deg
tp 2458172.484496072849
(2018-Feb-22.98449607)
6.0561e-05 TDB
period 1264.383019677251
3.46
7.0134e-06
1.92e-08
d
yr
n .2847238490215523 1.5793e-09 deg/d
Q 2.557888146724125 9.4589e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      15981 days (43.75 yr)  
   first obs. used      1976-02-27  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51996  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:26:48  

Additional Information
 Earth MOID = 1.02392 au 
 Jupiter MOID = 2.40459 au 
 T_jup = 3.586 
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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 14.9   n/a MPO435821  
diameter diameter 3.304 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.195   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12661 Schelling           Discovered 1976 Feb. 27 by F. Borngen at Tautenburg.
Friedrich Wilhelm Joseph von Schelling (1775-1854) studied at the Stift in Tübingen and was professor of philosophy in Jena. A natural philosopher, he communicated closely with the Romanticists and was one of the main proponents of German idealism.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000523/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1976 DA1 = 1990 EM6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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