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66118 (1998 SL71)
Classification: Main-belt Asteroid          SPK-ID: 2066118
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 .1497317672736346 4.6413e-08  
a 3.016527245266523 1.7302e-08 au
q 2.564857289803698 1.4622e-07 au
i 2.356285951294302 4.3321e-06 deg
node 155.3121234455933 0.00012032 deg
peri 269.3479591129687 0.0001215 deg
M 12.4342346077127 1.5571e-05 deg
tp 2458934.403895882063
(2020-Mar-25.90389588)
8.265e-05 TDB
period 1913.635879742689
5.24
1.6464e-05
4.508e-08
d
yr
n .1881235630094928 1.6186e-09 deg/d
Q 3.468197200729348 1.9893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      9568 days (26.20 yr)  
   first obs. used      1993-11-16  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51397  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:51:23  

Additional Information
 Earth MOID = 1.57969 au 
 Jupiter MOID = 1.84504 au 
 T_jup = 3.229 
[ 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 14.7   n/a MPO417282  
diameter diameter 6.189 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66118 (1998 SL71)          Discovered 1998-Sep-21 by Elst, E. W. at La Silla
Reference: 20030910/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
1913-May-25 00:42 00:03 Jupiter 1.87799695525435 1.87799652553691 1.87799738497169 2.35400337190777 2.15389948809378 2419912.529024539 2.77428075266286 60.2568687506668 5.27622407588543 -82.4686232821125 2234941.75882849 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51
1960-Apr-20 23:00 00:02 Jupiter 1.86281303962677 1.86281267734433 1.86281340190911 2.1413353457674 1.91726772550765 2437045.458405382 1.51460978062874 46.2694345813367 6.98270309790353 -86.4031631058421 3043496.29805201 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51
2007-Mar-18 17:01 < 00:01 Jupiter 1.89134120187574 1.89134078071688 1.89134162303439 2.1365648595704 1.91552209117071 2454178.208784478 0.35122631802566 42.6341438484464 5.22813202410093 -85.2019397299595 2530364.91986371 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51
2044-Dec-21 10:26 < 00:01 Jupiter 1.97253889943644 1.97253841372299 1.97253938514989 3.16036592411777 3.02143976651543 2467970.935057311 0.763176123257865 53.2255775082294 15.7487292728515 87.9218353101132 2726065.25534686 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51
2054-Feb-14 04:43 00:01 Jupiter 1.95390490397587 1.95390440673649 1.95390540121514 2.30256640750525 2.10589819535868 2471312.696198956 1.05546070024749 54.3989606534199 8.38803020796743 86.7286625564838 2497682.87399097 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51
2091-Nov-20 17:00 00:02 Jupiter 1.89680428922901 1.89680375226996 1.89680482618806 2.61585899510416 2.43918295207674 2485106.208518867 2.00802134984885 72.762522065904 8.36024539400952 -88.1802238780096 2176845.60183856 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51
2138-Oct-18 02:41 00:03 Jupiter 1.85520053853991 1.85520011987049 1.85520095720912 2.25575040294784 2.04334940074682 2502238.611458398 3.27561431243197 66.2049122362199 12.784975509985 -76.2007519973436 1919537.23909761 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51
2185-Sep-13 08:55 00:05 Jupiter 1.85680955293005 1.85680911219929 1.8568099936608 2.10908047277746 1.88039320551482 2519370.871450940 4.53835818428869 54.345507849691 27.9600539626328 75.8922515734085 2716826.10738395 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 14:51:41 2020-Feb-23 14:51

Alternate Designations
 1998 SL71 = 1996 JR9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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