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JPL Small-Body Database Browser
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71170 (1999 XE206)
Classification: Main-belt Asteroid          SPK-ID: 2071170
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07583455089551333 4.4465e-08  
a 3.063247478037056 2.7089e-08 au
q 2.830947481258302 1.3878e-07 au
i 11.24389046299469 6.1908e-06 deg
node 53.25093137042158 2.7175e-05 deg
peri 77.20744915094461 5.2338e-05 deg
M 199.3956174667389 4.4438e-05 deg
tp 2459474.127799326492
(2021-Sep-16.62779933)
0.00024535 TDB
period 1958.265414658924
5.36
2.5976e-05
7.112e-08
d
yr
n .1838361630171067 2.4386e-09 deg/d
Q 3.29554747481581 2.9143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      1998-09-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57466  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:24:56  

Additional Information
 Earth MOID = 1.87347 au 
 Jupiter MOID = 1.83769 au 
 T_jup = 3.199 
[ 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 14.2   n/a MPO366066  
diameter diameter 5.235 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71170 (1999 XE206)          Discovered 1999-Dec-12 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
1938-Dec-09 20:54 00:03 Jupiter 1.8880946314095 1.88809396045702 1.88809530236251 2.68729410630165 2.51482106138046 2429242.370653576 3.48183358431536 243.736206787016 29.0067840188667 -81.4680158498346 1978664.32136234 T 20 CATAB v2.0f-lin.ifort 2019-Nov-07 08:25:18 2019-Nov-07 08:25
1988-Feb-19 16:29 00:01 Jupiter 1.93417670909752 1.93417596299405 1.93417745520164 4.40798145098367 4.30748794004812 2447211.186518949 1.09372602614231 125.605978577053 28.1078487867346 -81.2219109211428 2162987.77316754 T 20 CATAB v2.0f-lin.ifort 2019-Nov-07 08:25:18 2019-Nov-07 08:25
1997-Sep-29 22:50 < 00:01 Jupiter 1.9238195581082 1.92381892617029 1.92382019004634 2.49364999657794 2.31035212388466 2450721.451355845 0.892879076116571 76.1567547968901 19.6523038440519 78.1879839428585 2511157.13942343 T 20 CATAB v2.0f-lin.ifort 2019-Nov-07 08:25:18 2019-Nov-07 08:25
2046-Dec-31 22:49 00:01 Jupiter 1.87636651543762 1.87636593501225 1.87636709586342 3.99738391717969 3.88281411990018 2468711.450866003 1.28748818193079 160.643742409269 23.1071058434535 -85.8294795464342 2340977.57000624 T 20 CATAB v2.0f-lin.ifort 2019-Nov-07 08:25:18 2019-Nov-07 08:25
2056-Jul-21 03:00 00:02 Jupiter 1.97186212622353 1.9718613908576 1.97186286158935 2.66728924500297 2.50106430277211 2472200.624806535 1.84322275953766 94.4651211187526 26.1706022877725 83.1267228410322 2452386.11002019 T 20 CATAB v2.0f-lin.ifort 2019-Nov-07 08:25:18 2019-Nov-07 08:25
2105-Nov-08 01:13 00:04 Jupiter 1.8503838619446 1.85038325776032 1.85038446613014 3.54198176201161 3.41029687083217 2490206.550811022 3.78461452126064 316.449728853188 23.6569025708092 -86.0291681361351 2046152.35557499 T 20 CATAB v2.0f-lin.ifort 2019-Nov-07 08:25:18 2019-Nov-07 08:25
2164-Sep-07 21:07 00:07 Jupiter 1.85664711724503 1.85664611686408 1.85664811766525 3.07357165350592 2.9213731456814 2511695.380193148 6.50139234418087 569.858789912914 27.213774002043 -82.2163852583755 2050603.13357341 T 20 CATAB v2.0f-lin.ifort 2019-Nov-07 08:25:18 2019-Nov-07 08:25

Alternate Designations
 1999 XE206 = 1998 SD65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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