Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07583929428775607 4.267e-08  
a 3.063985816631039 2.4568e-08 au
q 2.831615294590047 1.3567e-07 au
i 11.24322162582959 5.8945e-06 deg
node 53.25409664403193 2.4953e-05 deg
peri 76.95865662059151 4.8168e-05 deg
M 273.1866868588984 4.1068e-05 deg
tp 2459472.902712821602
(2021-Sep-15.40271282)		 0.00022511 TDB
period 1958.973462277181
5.36		 2.3562e-05
6.451e-08		 d
yr
n .1837697176262526 2.2103e-09 deg/d
Q 3.296356338672031 2.6432e-08 au
   Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:55:45  

Additional Information
 Earth MOID = 1.87373 au 
 Jupiter MOID = 1.83639 au 
 T_jup = 3.199 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07323634890893531 4.3547e-08  
q 2.840243539497977 1.3808e-07 au
tp 2457520.333208500133
(2016-May-11.83320850)		 0.00022548 TDB
node 53.31573068350536 2.4996e-05 deg
peri 78.3097735555145 4.908e-05 deg
i 11.23315688849019 5.8904e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      870  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-09-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:55:45  

Additional Information
 Jupiter MOID = 1.83639 au 
 T_jup = 3.199 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.896347006303227E-15 -5.93172310519046E-15 2.346495237955387E-12 7.807795329333461E-15 4.904584106604189E-13 -1.784017467441178E-15
q -5.93172310519046E-15 1.906544710098382E-14 -6.299002777910567E-12 -2.889838529014311E-14 -1.35243993210169E-12 7.816010578763644E-15
tp 2.346495237955387E-12 -6.299002777910567E-12 5.084300197228399E-8 -4.367528745531879E-11 9.549964290033157E-9 1.217461736534148E-11
node 7.807795329333461E-15 -2.889838529014311E-14 -4.367528745531879E-11 6.248008399601494E-10 -6.202832589188625E-10 -5.070583059133693E-11
peri 4.904584106604189E-13 -1.35243993210169E-12 9.549964290033157E-9 -6.202832589188625E-10 2.408820226805885E-9 5.185630723158802E-11
i -1.784017467441178E-15 7.816010578763644E-15 1.217461736534148E-11 -5.070583059133693E-11 5.185630723158802E-11 3.469703037393138E-11

[ 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 1.88809462992845 1.88809398057087 1.88809527928666 2.68729555721983 2.51482261166643 2429242.371171339 3.17759712560724 227.30708524459 27.4280408917735 -81.5307599819529 2107399.82232731 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:48 2020-Dec-17 21:55
1988-Feb-19 16:29 00:01 Jupiter 1.93417687200247 1.93417618852593 1.93417755547944 4.40798277415787 4.30748930265464 2447211.186646190 1.01896736742017 117.54282540553 26.0235105834035 -81.6190358506322 2334269.81620247 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:48 2020-Dec-17 21:55
1997-Sep-29 22:50 < 00:01 Jupiter 1.92381960492578 1.92381899971293 1.92382021013862 2.49364999011256 2.31035212154398 2450721.451454467 0.828978933697195 72.8432621462635 18.8642345250924 78.3773220017379 2635779.67295985 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:48 2020-Dec-17 21:55
2046-Dec-31 22:49 00:01 Jupiter 1.87636655852229 1.87636601861179 1.87636709843311 3.99738423769403 3.88281445254143 2468711.450612396 1.13866464411788 150.750135547202 21.482218004419 -85.9596167526675 2487853.54181799 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:48 2020-Dec-17 21:55
2056-Jul-21 02:59 00:02 Jupiter 1.97186226138991 1.97186159334967 1.97186292943004 2.66728950901847 2.50106459610749 2472200.624465898 1.65819229802092 86.1411968639184 23.8188594173375 81.6954300969329 2683164.55076075 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:48 2020-Dec-17 21:55
2105-Nov-08 01:12 00:03 Jupiter 1.85038393350788 1.85038337469084 1.85038449232544 3.54198081643282 3.41029589393209 2490206.550158600 3.40134079775849 283.527786736016 21.9982357024651 -86.2481121314792 2154278.96970275 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:48 2020-Dec-17 21:55
2164-Sep-07 21:06 00:06 Jupiter 1.85664734672439 1.85664646108706 1.85664823239026 3.07356950128149 2.92137090063129 2511695.379111988 5.86443603636401 509.440190454413 25.5101150423499 -82.3223531673386 2169037.94746814 T 24 CATAB v2.0f-lin.ifort 2020-Dec-17 21:55:48 2020-Dec-17 21:55

Alternate Designations
 1999 XE206 = 1998 SD65 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-21 15:23 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin