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16781 Rencin (1996 XU18)
Classification: Main-belt Asteroid          SPK-ID: 2016781
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1511461954043072 2.9934e-08  
a 3.163257234544661 1.5143e-08 au
q 2.685142938458085 9.542e-08 au
i 2.435296961921046 3.7177e-06 deg
node 123.6540981448749 0.00010286 deg
peri 331.6697696794141 0.00010406 deg
M 65.03556301371198 1.5029e-05 deg
tp 2458629.265273000809
(2019-May-25.76527300)
8.5443e-05 TDB
period 2054.944948989394
5.63
1.4756e-05
4.04e-08
d
yr
n .1751871748082814 1.258e-09 deg/d
Q 3.641371530631237 1.7432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1950  
   data-arc span      8989 days (24.61 yr)  
   first obs. used      1995-09-18  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:27:33  

Additional Information
 Earth MOID = 1.70225 au 
 Jupiter MOID = 1.53729 au 
 T_jup = 3.185 
[ 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 13.3   n/a MPO458980  
diameter diameter 10.454 km 0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16781 Renčín           Discovered 1996 Dec. 12 by M. Tichy and Z. Moravec at Klet.
Vladimír Renčín (b. 1941) is a Czech graphic artist, illustrator and cartoonist. He published several books of cartoons, where various features of the Czech character are illustrated.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
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