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12617 Angelusilesius (5568 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2012617
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227329544879942 4.4196e-08  
a 2.639904918162534 9.3466e-09 au
q 2.315901587989059 1.1893e-07 au
i 8.065115221897312 4.8487e-06 deg
node 30.42707939920886 2.2212e-05 deg
peri 321.2663792027271 2.6819e-05 deg
M 24.98601728432836 1.365e-05 deg
tp 2459091.763489993898
(2020-Aug-30.26348999)
5.9535e-05 TDB
period 1566.682002847615
4.29
8.3203e-06
2.278e-08
d
yr
n .2297849846654655 1.2203e-09 deg/d
Q 2.963908248336008 1.0494e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2282  
   data-arc span      22006 days (60.25 yr)  
   first obs. used      1960-10-17  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:06:55  

Additional Information
 Earth MOID = 1.31588 au 
 Jupiter MOID = 2.48807 au 
 T_jup = 3.371 
[ 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 13.55   n/a E2021B10  
diameter diameter 11.185 km 3.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.055   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

12617 Angelusilesius           Discovered 1960 Oct. 17 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Angelus Silesius (Johannes Scheffler, 1624-1677) was a German baroque poet. His wisdom was expressed in short verses that are still read and used today. His best known collection starts with "Mensch werde wesentlich ..."
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080819/MPCPages.arcLast Updated: 2008-08-25

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Alternate Designations
 5568 P-L = 1977 RY = 1986 XB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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