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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
(2020-Aug-30.09269361)
0.00010051 TDB
period 1567.315713800186
4.29
1.0764e-05
2.947e-08
d
yr
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456612.5 (2013-Nov-16.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242697063549241 4.5582e-08  
q 2.311716758204365 1.2187e-07 au
tp 2455961.501236806178
(2012-Feb-04.00123681)
9.3769e-05 TDB
node 30.51918084839107 2.6042e-05 deg
peri 321.9480545221615 3.3183e-05 deg
i 8.073261871584464 5.6804e-06 deg
  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
 Jupiter MOID = 2.48603 au 
 T_jup = 3.370 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.077674717593234E-15 -5.535091261744413E-15 1.91509546667368E-12 3.508338697588532E-17 4.079197550732742E-13 1.431502462069998E-15
q -5.535091261744413E-15 1.485152682948497E-14 -4.916628807769218E-12 -1.616007205057556E-15 -1.036776927126014E-12 -3.408468195456576E-15
tp 1.91509546667368E-12 -4.916628807769218E-12 8.792697449990165E-9 -1.05549982947546E-11 1.936270776915553E-9 -1.391412175276848E-12
node 3.508338697588532E-17 -1.616007205057556E-15 -1.05549982947546E-11 6.781853334732401E-10 -6.73471751195902E-10 3.125026534568007E-12
peri 4.079197550732742E-13 -1.036776927126014E-12 1.936270776915553E-9 -6.73471751195902E-10 1.101124822350216E-9 -3.312039828373808E-12
i 1.431502462069998E-15 -3.408468195456576E-15 -1.391412175276848E-12 3.125026534568007E-12 -3.312039828373808E-12 3.226681232158624E-11

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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