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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680454031138852 6.2678e-08  
a 2.964501133839906 1.8747e-08 au
q 2.466330345772209 1.9199e-07 au
i 2.421101701883754 4.3742e-06 deg
node 120.7772422220369 0.00013375 deg
peri 23.91407998218417 0.00013465 deg
M 227.0365906503662 1.547e-05 deg
tp 2459289.081736739019
(2021-Mar-15.58173674)
8.238e-05 TDB
period 1864.343178612468
5.10
1.7685e-05
4.842e-08
d
yr
n .1930974962817355 1.8317e-09 deg/d
Q 3.462671921907602 2.1897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      10394 days (28.46 yr)  
   first obs. used      1991-05-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53294  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:23:52  

Additional Information
 Earth MOID = 1.47934 au 
 Jupiter MOID = 1.55281 au 
 T_jup = 3.242 
[ 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 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 1.5636592971184 1.56365849225795 1.56366010198889 1.16730725270737 0.528413871561857 2424790.669520099 3.21615535756391 2056.35635829232 470.017366579116 14.462755785549 1240431.89563441 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
1962-Sep-10 16:59 00:02 Jupiter 1.55294419147917 1.55294355176124 1.55294483119391 1.17920336201011 0.547412418470751 2437918.207710619 1.72835186827403 1761.06641843804 454.153445236943 9.8813153933006 1072838.68337773 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
1998-Aug-24 09:09 < 00:01 Jupiter 1.5831849713595 1.58318427306852 1.58318566964743 1.32157327533616 0.822515945475747 2451049.881577292 0.558752938733005 539.958742868158 219.164426307371 13.5910781945546 1028392.02538017 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
2034-Aug-30 23:54 < 00:01 Jupiter 1.65842292495402 1.65842215665818 1.65842369324807 1.64262595574309 1.29489015888536 2464205.495753311 0.679324720411974 132.414859881335 96.5692877080196 26.8361048473552 1025283.59041172 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
2070-Oct-02 03:26 00:02 Jupiter 1.78239296557485 1.78239185025592 1.78239408089287 2.20594646403964 1.97882966343731 2477386.642787839 1.69925252486851 76.6494880722959 11.5126791758465 89.6483212081991 1038343.7785437 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
2106-Nov-17 21:37 00:03 Jupiter 1.95524002277763 1.95523843197335 1.95524161358169 3.03273559895413 2.88635971219793 2490581.400571880 2.49344027085841 85.0870071077661 24.8365947556417 57.7937406427041 1276576.69866536 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
2115-May-27 15:22 00:03 Jupiter 1.85338154062089 1.85337982475324 1.85338325648633 2.05332164716313 1.81716826051585 2493694.140437619 2.76364812938245 72.6030993362108 14.1954436877222 -88.9197212584776 859775.234602294 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
2151-Jul-07 22:55 00:03 Jupiter 1.69216929521388 1.69216764695295 1.69217094347184 1.53114393067915 1.15900528735225 2506884.454717922 3.34512999785396 258.145940213396 95.3713590113578 37.5849929218206 1066776.33582849 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
2187-Jul-21 19:09 00:04 Jupiter 1.59540905776463 1.59540778189358 1.59541033364385 1.25687761095124 0.71966412215592 2520047.298091850 3.79296468295976 958.691645948101 269.60798647699 24.0386374437964 1242644.23037749 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:24:11 2019-Nov-07 08:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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