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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
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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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
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
1927-Mar-26 22:33 00:02 Jupiter 1.75701818232264 1.75701719415064 1.75701917049604 2.69744663189938 2.51238119190166 2424966.439244734 2.37377185625745 114.077377242953 11.2916392615594 80.7448500241214 2161633.66652965 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
1937-Dec-26 20:58 00:02 Jupiter 1.60206136930549 1.60206095558713 1.60206178302367 1.82449746083514 1.50710821364961 2428894.373684984 1.96867959431035 98.1099336893879 32.6501028118861 -78.5517148633151 2235367.10505013 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
1948-Oct-11 13:08 00:02 Jupiter 1.64874618316149 1.64874570395523 1.64874666236747 1.74284642225911 1.41775841605349 2432836.047124963 1.58792607346119 60.8480904199594 28.0103444903944 88.6135133761972 2578329.94497842 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
1959-Jul-28 03:47 00:01 Jupiter 1.86988017846262 1.86987953781057 1.86988081911456 2.36162282405054 2.1613185509679 2436777.657587103 1.26351991735324 55.5292912418554 10.4664932484033 83.8509488497919 2591545.46468207 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2046-Mar-01 12:04 < 00:01 Jupiter 1.7806514083011 1.7806508770462 1.780651939556 2.8399944001829 2.66724683175654 2468406.002684012 0.753719361659932 50.0485105070982 12.7197581795259 82.715836213761 2455679.04556966 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2056-Nov-27 13:56 00:01 Jupiter 1.59741364289967 1.597413253904 1.59741403189506 1.8646940378202 1.55453898387488 2472330.080653408 1.04298820678895 73.4094925940783 28.1662720716692 -87.1894412864367 2316881.76083508 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2067-Sep-10 00:21 00:01 Jupiter 1.61979522706801 1.61979473455819 1.61979571957755 1.70410271388314 1.36313134091639 2476268.514427201 1.36906666755213 68.9216168436215 33.095433457446 84.3773924187837 2641285.98506582 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2078-Jun-23 12:19 00:02 Jupiter 1.83619600318469 1.83619505161796 1.83619695475111 2.27841078056664 2.06605220090536 2480208.013386710 1.71938682647501 60.5799324959852 14.3350104210588 80.3039142376344 1954577.32161042 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2165-Jan-24 16:57 00:04 Jupiter 1.80108310266662 1.80108133598285 1.80108486935459 2.95601448937685 2.7923917160908 2511834.206002628 3.85165626110593 177.569269021528 15.4950202396942 73.8161572062579 2156143.47553533 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2175-Oct-20 15:05 00:04 Jupiter 1.59338191971023 1.59338109249033 1.59338274693457 1.89587037889607 1.59095843274747 2515755.128740508 4.05491669500535 204.050124735236 30.8085470425272 -75.3447089485038 1913044.91630524 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2186-Jul-29 23:08 00:04 Jupiter 1.59451856195286 1.59451751313162 1.59451961077537 1.67370815645945 1.31866641426712 2519690.464104214 4.29465080188519 135.4012443085 37.9972183021554 83.0382294902953 2500081.06053663 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
2197-May-10 11:47 00:05 Jupiter 1.80717065316242 1.80716833302849 1.8071729732941 2.21686671538338 1.9942658371206 2523627.990821088 4.67209952712306 94.6256666380278 20.7881826933117 70.2826296854907 1155406.82953664 T 26 CATAB v2.0f-lin.ifort 2020-May-20 04:27:48 2020-May-20 04:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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