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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05062542072975523 4.6666e-08  
a 2.690545025954082 2.5165e-08 au
q 2.554335052022807 1.2903e-07 au
i 7.574994959465063 5.0266e-06 deg
node 105.4804428142187 3.9812e-05 deg
peri 198.3932901948868 6.8195e-05 deg
M 266.9124864678743 5.5012e-05 deg
tp 2459417.319235352204
(2021-Jul-21.81923535)
0.00024511 TDB
period 1611.97693474762
4.41
2.2616e-05
6.192e-08
d
yr
n .2233282575202378 3.1332e-09 deg/d
Q 2.826754999885358 2.6439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      7931 days (21.71 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:46:38  

Additional Information
 Earth MOID = 1.53989 au 
 Jupiter MOID = 2.30175 au 
 T_jup = 3.358 
[ 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 20 CATAB v2.0f-lin.ifort 2020-Jan-29 16:46:55 2020-Jan-29 16:47
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 20 CATAB v2.0f-lin.ifort 2020-Jan-29 16:46:55 2020-Jan-29 16:47
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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