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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07590827200375465 4.1642e-08  
a 3.064813374107022 2.3008e-08 au
q 2.832168686864561 1.3413e-07 au
i 11.24183928899149 5.6266e-06 deg
node 53.25416718276021 2.2768e-05 deg
peri 76.76900350812399 4.5549e-05 deg
M 310.1224453621275 3.8647e-05 deg
tp 2459472.023316928018
(2021-Sep-14.52331693)
0.00021098 TDB
period 1959.767169897801
5.37
2.2068e-05
6.042e-08
d
yr
n .1836952907108723 2.0685e-09 deg/d
Q 3.297458061349483 2.4755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1998-09-20  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:54:41  

Additional Information
 Earth MOID = 1.87417 au 
 Jupiter MOID = 1.83509 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 14.27   n/a MPCxxxxx  
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 20:55 00:03 Jupiter 1.88809462608242 1.88809398408064 1.88809526808517 2.68729515983217 2.51482218764701 2429242.371180902 2.95986050765554 215.10589852399 27.0491356556095 -81.4905339271202 2246072.35021259 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:54:44 2021-Apr-13 12:54
1988-Feb-19 16:29 < 00:01 Jupiter 1.93417693359582 1.93417630084843 1.93417756634364 4.40798237932067 4.30748890240506 2447211.186668949 0.965006344793731 113.366515430116 24.6501269100012 -82.4474046156446 2521296.37209518 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:54:44 2021-Apr-13 12:54
1997-Sep-29 22:50 < 00:01 Jupiter 1.92381955747292 1.92381897518701 1.92382013975884 2.49364999758787 2.31035212596455 2450721.451453458 0.775322160409312 68.4395787433 18.5828462631292 78.4601764933817 2749650.58312078 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:54:44 2021-Apr-13 12:54
2046-Dec-31 22:49 00:01 Jupiter 1.87636659225507 1.87636606556815 1.8763671189422 3.99738355993081 3.88281375751188 2468711.450655829 1.04679244149108 143.048327040458 21.1233350164337 -86.3149613111358 2542614.18446928 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:54:44 2021-Apr-13 12:54
2056-Jul-21 02:59 00:02 Jupiter 1.97186215131274 1.97186153468557 1.97186276793981 2.6672896804903 2.50106477033672 2472200.624518119 1.55177967311205 79.82344501007 21.7971400824464 81.6833683854138 2851636.86686903 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:54:44 2021-Apr-13 12:54
2105-Nov-08 01:12 00:03 Jupiter 1.85038400159589 1.85038346938865 1.85038453380322 3.54197995116475 3.41029500093325 2490206.550119703 3.15323915321682 257.676526060866 21.3265187317189 -86.7153651803933 2208889.22308113 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:54:44 2021-Apr-13 12:54
2164-Sep-07 21:05 00:05 Jupiter 1.85664747424766 1.85664668050238 1.85664826801395 3.07356772032252 2.92136903847597 2511695.378734712 5.44786855704643 467.551272476219 25.0665248443837 -82.4920353160954 2295729.82928037 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 12:54:44 2021-Apr-13 12:54

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