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71061 (1999 XS98)
Classification: Main-belt Asteroid          SPK-ID: 2071061
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05848689943583595 3.6805e-08  
a 2.999674433299066 2.0902e-08 au
q 2.824232776378456 1.0829e-07 au
i 9.969202227254769 4.1203e-06 deg
node 270.1775376769236 2.3294e-05 deg
peri 278.6444928470783 4.2816e-05 deg
M 240.3645256864327 3.7127e-05 deg
tp 2459631.119047439470
(2022-Feb-20.61904744)
0.00019725 TDB
period 1897.621574042303
5.20
1.9834e-05
5.43e-08
d
yr
n .1897111652420403 1.9829e-09 deg/d
Q 3.175116090219677 2.2125e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1483  
   data-arc span      7802 days (21.36 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47652  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:16  

Additional Information
 Earth MOID = 1.84564 au 
 Jupiter MOID = 1.92783 au 
 T_jup = 3.228 
[ 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 13.6   n/a MPO359239  
diameter diameter 7.217 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.162   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71061 (1999 XS98)          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
1952-Mar-27 16:23 00:02 Jupiter 1.93526620218663 1.93526576819133 1.93526663618182 2.94291738748555 2.79023434598928 2434099.182296307 2.17793298118404 113.698811609317 16.1262509311309 -82.02120076219 2826262.86134636 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 16:20:34 2020-Feb-23 16:20
1998-Apr-20 04:55 < 00:01 Jupiter 1.9933562671006 1.99335584201241 1.99335669218879 3.10043664838213 2.96021313781139 2450923.704533776 0.618124992902998 95.2573154334396 18.3032630603599 -89.9541654723271 3775315.55864162 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 16:20:34 2020-Feb-23 16:20
2035-Jul-26 10:37 < 00:01 Jupiter 1.93261000771252 1.93260958019437 1.93261043523079 3.27632045393309 3.13970023695584 2464534.942317700 0.711241472985619 51.2223034614231 15.0623263739039 -74.4512096846139 3309175.3240158 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 16:20:34 2020-Feb-23 16:20
2081-Aug-21 11:00 00:02 Jupiter 1.97754490524319 1.97754434452627 1.97754546596325 2.79994674540902 2.64254825682676 2481362.958600642 2.32103399310178 186.629591661334 17.2318425644773 -89.1242147877281 3517013.71629514 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 16:20:34 2020-Feb-23 16:20
2118-Nov-19 19:26 00:03 Jupiter 1.92736711864562 1.92736672647269 1.92736751081856 3.5911962286461 3.46666233871962 2494966.309753262 3.38011762373935 219.863555688728 16.4732848888648 -86.8416344583139 3318864.80787829 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 16:20:34 2020-Feb-23 16:20
2164-Dec-24 14:32 00:05 Jupiter 1.96860530030517 1.96860445335376 1.96860614727091 2.67622210455187 2.51030559648571 2511803.105677796 5.29757882845924 311.241190416839 14.9431938875968 -85.5324200774713 3571066.38371264 T 28 CATAB v2.0f-lin.ifort 2020-Feb-23 16:20:34 2020-Feb-23 16:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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