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71018 (1999 XC57)
Classification: Main-belt Asteroid          SPK-ID: 2071018
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678818110418134 6.2078e-08  
a 2.965637927623995 1.8581e-08 au
q 2.467761261440188 1.9064e-07 au
i 2.421101087625484 3.981e-06 deg
node 120.7716686704433 0.00013185 deg
peri 23.78921866660436 0.00013276 deg
M 304.3777733258403 1.5742e-05 deg
tp 2459288.718257088641
(2021-Mar-15.21825709)
8.2566e-05 TDB
period 1865.415657660352
5.11
1.7532e-05
4.8e-08
d
yr
n .1929864791911956 1.8137e-09 deg/d
Q 3.463514593807802 2.1701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1991-05-17  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:15:23  

Additional Information
 Earth MOID = 1.48033 au 
 Jupiter MOID = 1.55072 au 
 T_jup = 3.242 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457091.5 (2015-Mar-10.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677413598595466 6.2826e-08  
q 2.467118713244127 1.9304e-07 au
tp 2457427.435634453442
(2016-Feb-08.93563445)
7.6654e-05 TDB
node 120.805768290902 0.00013181 deg
peri 24.45624063159078 0.00013269 deg
i 2.42152055478306 3.983e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      10422 days (28.53 yr)  
   first obs. used      1991-05-17  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52691  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:15:23  

Additional Information
 Jupiter MOID = 1.55072 au 
 T_jup = 3.242 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.947117727542561E-15 -1.209487070111956E-14 2.184375848552121E-12 7.10856477137272E-14 5.71937027042809E-13 1.09875233266791E-15
q -1.209487070111956E-14 3.726288744436741E-14 -6.278230235206831E-12 -2.142265903356308E-13 -1.684661975263611E-12 -3.027558457981097E-15
tp 2.184375848552121E-12 -6.278230235206831E-12 5.87583740304385E-9 6.529328309878473E-11 1.208348714761457E-9 2.760732743942531E-12
node 7.10856477137272E-14 -2.142265903356308E-13 6.529328309878473E-11 1.737518996410122E-8 -1.734261184922882E-8 1.760268718699218E-10
peri 5.71937027042809E-13 -1.684661975263611E-12 1.208348714761457E-9 -1.734261184922882E-8 1.760562089525941E-8 -1.752803210388601E-10
i 1.09875233266791E-15 -3.027558457981097E-15 2.760732743942531E-12 1.760268718699218E-10 -1.752803210388601E-10 1.586426532650547E-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 14.6   n/a MPO449448  
diameter diameter 7.021 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71018 (1999 XC57)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ 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
1926-Oct-02 04:04 00:03 Jupiter 1.56365929237095 1.5636584881918 1.56366009656023 1.16730717950801 0.528413706746341 2424790.669495445 3.19573853705979 2031.72284859285 451.9648178717 14.1625947527371 1261429.52436793 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
1962-Sep-10 16:59 00:02 Jupiter 1.55294418343252 1.55294354872083 1.55294481814103 1.17920329279517 0.547412264209254 2437918.207706160 1.71795194072433 1734.22724747421 436.073601282008 9.48002133667268 1084790.51877738 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
1998-Aug-24 09:09 < 00:01 Jupiter 1.5831849652705 1.58318426918068 1.58318566135727 1.32157318407075 0.822515796333833 2451049.881569341 0.558027925333198 535.238064813271 213.45108595136 12.9872992197865 1032105.45194056 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
2034-Aug-30 23:54 < 00:01 Jupiter 1.65842292831408 1.65842216130323 1.65842369532313 1.64262595123041 1.29489015395996 2464205.495765036 0.662379369916766 132.008169996773 95.7383699164523 26.0926979192511 1026499.60009166 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
2070-Oct-02 03:26 00:02 Jupiter 1.78239298666735 1.78239188997225 1.78239408336154 2.20594655934773 1.97882977252611 2477386.642815195 1.6649819548377 75.243237384865 11.497251964108 89.7365291607931 1042766.34614261 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
2106-Nov-17 21:37 00:02 Jupiter 1.95524006043224 1.95523850781406 1.9552416130502 3.03273571636841 2.88635983845706 2490581.400605040 2.44718860068134 82.5987631389493 23.7961856662715 57.5356108907842 1315326.19712435 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
2115-May-27 15:22 00:03 Jupiter 1.85338149508299 1.85337982562317 1.8533831645407 2.05332144829439 1.8171680296234 2493694.140477591 2.71973951162374 70.0203777318213 13.7043234358188 -88.267424491423 893972.04472981 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
2151-Jul-07 22:55 00:03 Jupiter 1.69216925096931 1.69216764756206 1.69217085437395 1.53114381111088 1.15900511810018 2506884.454755148 3.2958009753836 249.134579084842 92.4806691930583 38.0158752639097 1113767.2359887 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
2187-Jul-21 19:09 00:04 Jupiter 1.5954090233667 1.59540778130481 1.59541026543667 1.25687745201347 0.719663828668835 2520047.298145683 3.74488302855826 924.723943128343 264.071520956511 24.0084474865791 1279315.99372897 T 24 CATAB v2.0f-lin.ifort 2019-Dec-14 07:15:27 2019-Dec-14 07:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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