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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229714478639225 4.4747e-08  
a 2.640616752334586 1.1326e-08 au
q 2.315896287046273 1.1976e-07 au
i 8.064436523135996 5.4532e-06 deg
node 30.43240172957621 2.5828e-05 deg
peri 321.2106696138832 3.2064e-05 deg
M 339.0767271823942 2.0318e-05 deg
tp 2459091.592706370009
(2020-Aug-30.09270637)
8.8624e-05 TDB
period 1567.315714853618
4.29
1.0083e-05
2.761e-08
d
yr
n .2296920758135975 1.4777e-09 deg/d
Q 2.965337217622899 1.2718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1785  
   data-arc span      21840 days (59.79 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:35:23  

Additional Information
 Earth MOID = 1.31756 au 
 Jupiter MOID = 2.48603 au 
 T_jup = 3.370 
[ 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 13.5   n/a MPO328826  
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

[ show close-approach data ]
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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