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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229714470580152 4.5288e-08  
a 2.64061675115137 1.209e-08 au
q 2.315896288136651 1.2067e-07 au
i 8.064439294314795 5.6752e-06 deg
node 30.43240794661313 2.6086e-05 deg
peri 321.2106611673607 3.3383e-05 deg
M 339.0767300983154 2.3029e-05 deg
tp 2459091.592693613869
0.00010051 TDB
period 1567.315713800186
n .2296920759679792 1.5774e-09 deg/d
Q 2.965337214166088 1.3576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1703  
   data-arc span      21499 days (58.86 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:24:24  

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] (  
geometric albedo albedo 0.055   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1932-Nov-23 22:41 < 00:01 Juno 0.0213111598632073 0.0213092010520306 0.0213131205571032 7.04607729192138 7.04607721090152 2427035.445175085 0.608888362683453 357.284102339226 38.5594156127162 -75.3614878484513 80000.143147537 T 25 CATAB v2.0f-lin.ifort 2020-Feb-22 20:24:40 2020-Feb-22 20:24

Alternate Designations
 5568 P-L = 1977 RY = 1986 XB2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Apr-09 15:16 UT
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