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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1678818090480611 6.1917e-08  
a 2.965637952020379 1.778e-08 au
q 2.46776128765361 1.9041e-07 au
i 2.421100920708244 3.918e-06 deg
node 120.7715118735422 0.00012468 deg
peri 23.78938600387979 0.00012561 deg
M 304.3777590462478 1.4719e-05 deg
tp 2459288.718334637829
(2021-Mar-15.21833464)
7.7034e-05 TDB
period 1865.415680678703
5.11
1.6776e-05
4.593e-08
d
yr
n .1929864768098334 1.7355e-09 deg/d
Q 3.463514616387147 2.0765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      10752 days (29.44 yr)  
   first obs. used      1991-05-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:58:09  

Additional Information
 Earth MOID = 1.48033 au 
 Jupiter MOID = 1.55072 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 04:03 00:03 Jupiter 1.56365946792697 1.56365866685413 1.56366026900941 1.16730725756559 0.528413994275474 2424790.668476501 3.0446206774064 2023.19718998379 426.745087390489 13.8974510085114 1290165.11237869 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
1962-Sep-10 16:58 00:02 Jupiter 1.55294408413899 1.55294346285877 1.55294470541656 1.1792025576443 0.547410616881129 2437918.207143900 1.63563447132893 1699.17009091099 410.896154716942 9.55060854332798 1122483.64459411 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
1998-Aug-24 09:09 < 00:01 Jupiter 1.58318483154045 1.58318415400862 1.5831855090693 1.32157245005318 0.822514562010617 2451049.881394754 0.53078939992703 524.030212903325 201.44698802278 12.6661815365631 1059005.68590512 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
2034-Aug-30 23:54 < 00:01 Jupiter 1.65842293622239 1.65842217188646 1.65842370055652 1.64262580232666 1.29488996694976 2464205.495925806 0.641724576405904 130.033021761057 91.993536489425 22.2098509841836 1028468.82943808 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
2070-Oct-02 03:26 00:02 Jupiter 1.78239329292959 1.78239220763989 1.78239437821837 2.20594791951426 1.97883133006743 2477386.643319481 1.58461440429644 71.7006403835411 11.4736589487592 89.8910637124986 1046134.04418166 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
2106-Nov-17 21:38 00:02 Jupiter 1.95524067085455 1.95523917018236 1.95524217152652 3.03273878838539 2.88636311312192 2490581.401379371 2.31103525379135 78.5639376449123 23.7797517430517 57.3582059847047 1315678.90229202 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
2115-May-27 15:23 00:03 Jupiter 1.85338076727186 1.85337917286888 1.85338236167295 2.05331903393399 1.81716520273794 2493694.141313970 2.58131008458518 66.300160625113 13.6625778936084 -88.030526117886 939314.240108771 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
2151-Jul-07 22:56 00:03 Jupiter 1.692168515914 1.69216700432778 1.6921700274979 1.53114157501932 1.1590019764279 2506884.455798068 3.11253832257322 234.577100172448 89.6046464740584 38.1346267353944 1168802.69774173 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
2187-Jul-21 19:11 00:04 Jupiter 1.59540845575775 1.59540729395141 1.59540961757115 1.25687583152101 0.719660736044153 2520047.299338828 3.53144717717052 870.125003669093 258.885214720399 23.6152466064911 1317939.47647533 T 25 CATAB v2.0f-lin.ifort 2020-Nov-12 21:58:13 2020-Nov-12 21:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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