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JPL Small-Body Database Browser
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117287 (2004 TS221)
Classification: Main-belt Asteroid          SPK-ID: 2117287
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05031280284131528 4.6702e-08  
a 2.691387425961506 2.5368e-08 au
q 2.55597618102951 1.2904e-07 au
i 7.574782578798347 5.0387e-06 deg
node 105.478738992921 3.9818e-05 deg
peri 198.1979529730395 6.8554e-05 deg
M 177.7910858111567 5.5708e-05 deg
tp 2457804.028505753947
(2017-Feb-19.52850575)
0.00025254 TDB
period 1612.734050306285
4.42
2.2802e-05
6.243e-08
d
yr
n .2232234136382438 3.156e-09 deg/d
Q 2.826798670893503 2.6644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7564 days (20.71 yr)  
   first obs. used      1998-04-21  
   last obs. used      2019-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:23:01  

Additional Information
 Earth MOID = 1.54075 au 
 Jupiter MOID = 2.3006 au 
 T_jup = 3.357 
[ 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 15.4   n/a MPO432678  

117287 (2004 TS221)          Discovered 2004-Oct-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1966-Nov-22 12:06 00:03 Hebe 0.0389242989550427 0.0389133011645178 0.0389352973353312 4.29677070588176 4.29677066871159 2439452.003836094 2.71438314576882 598.758248386478 71.267358088897 -23.9040470410002 34261.0356925628 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 19:23:04 2019-Jul-13 19:23
2149-Sep-30 21:47 00:10 Amphi 0.036064824938786 0.0360543859532599 0.036075318113181 3.98900443054986 3.98900439058994 2506239.407317137 10.1130771292146 2273.3186086439 47.9279857528829 -76.7903653911745 109534.142454864 T 19 CATAB v2.0e-lin.ifort 2019-Jul-13 19:23:04 2019-Jul-13 19:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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