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JPL Small-Body Database Browser
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19730 Machiavelli (1999 XO36)
Classification: Main-belt Asteroid          SPK-ID: 2019730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4226302615317807 5.8352e-08  
a 3.123421914892249 1.8404e-08 au
q 1.803369294127243 1.836e-07 au
i 22.93768689980959 5.9147e-06 deg
node 36.24172234480847 1.7748e-05 deg
peri 98.00168413136943 2.0726e-05 deg
M 143.2509619623869 5.344e-06 deg
tp 2457798.195084870330
(2017-Feb-13.69508487)
2.9766e-05 TDB
period 2016.250121395475
5.52
1.7821e-05
4.879e-08
d
yr
n .1785492762925856 1.5781e-09 deg/d
Q 4.443474535657256 2.6183e-08 au
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      12098 days (33.12 yr)  
   first obs. used      1984-05-31  
   last obs. used      2017-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47978  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 17:56:32  

Additional Information
 Earth MOID = .966354 au 
 Jupiter MOID = 1.57006 au 
 T_jup = 2.959 
[ 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 13.9   n/a MPO416919  
diameter diameter 9.705 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19730 Machiavelli           Discovered 1999 Dec. 7 by C. W. Juels at Fountain Hills.
Niccolò Machiavelli (1469-1527) was a Florentine statesman, Italian political theorist and writer who advocated a strong central government. His famous treatise, The Prince (1513), describes the achievement and maintenance of power by a determined ruler indifferent to moral considerations.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020724/MPCPages.arcLast Updated: 2003-10-02

[ hide close-approach data ]
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
1916-Feb-10 22:29 00:02 Jupiter 1.68059968162977 1.68059767020427 1.68060169306693 5.94558100006837 5.86019906655066 2420904.436477964 2.02675481797703 265.165230297536 40.3611487993504 -69.5633359611924 2058920.36278639 T 14 CATAB v2.0e-lin.ifort 2018-Oct-03 17:56:37 2018-Dec-17 16:01
1927-Jan-10 05:36 00:01 Jupiter 1.99518208188443 1.99517850231674 1.99518566145744 7.96818902517055 7.91473110441951 2424890.733161376 1.28185674910527 250.560341820851 66.5704762512268 47.4351275286005 2414088.34779665 T 14 CATAB v2.0e-lin.ifort 2018-Oct-03 17:56:37 2018-Dec-17 16:01
1998-Nov-29 16:17 < 00:01 Jupiter 1.57641688872691 1.57641569731634 1.57641808013792 6.1237008947726 6.03532064104116 2451147.178434294 0.518778615615599 87.0153291348304 43.5279728840336 -58.4478705864395 2096695.066806 T 14 CATAB v2.0e-lin.ifort 2018-Oct-03 17:56:37 2018-Dec-17 16:01
2081-Oct-01 19:41 00:01 Jupiter 1.53469795136436 1.53469678423329 1.53469911849544 6.45922949546328 6.37321081333857 2481404.319888824 1.08025102162594 146.139553305 57.2681390657912 -87.8785151211451 2216031.35800382 T 14 CATAB v2.0e-lin.ifort 2018-Oct-03 17:56:37 2018-Dec-17 16:01
2153-Oct-25 23:07 00:03 Jupiter 1.93616690774932 1.93616205558526 1.93617175998019 6.18665367703912 6.11553234731743 2507725.463436234 3.39746810648609 621.875989989786 19.773706607727 -67.4339902101427 2678747.32961734 T 14 CATAB v2.0e-lin.ifort 2018-Oct-03 17:56:37 2018-Dec-17 16:01
2164-Aug-07 05:24 00:02 Jupiter 1.57046133451494 1.5704587376077 1.57046393144067 6.93676441140773 6.85857185513544 2511663.725162568 2.2712107989949 337.301304827521 63.9792582740772 70.7408122805247 2225682.70423804 T 14 CATAB v2.0e-lin.ifort 2018-Oct-03 17:56:37 2018-Dec-17 16:01
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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