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17721 (1997 XT10)
Classification: Main-belt Asteroid          SPK-ID: 2017721
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2632314697851175 7.1082e-08  
a 3.067493436496167 2.5548e-08 au
q 2.26003263065108 2.1085e-07 au
i 13.30289133071266 6.9908e-06 deg
node 304.3480781531041 2.6764e-05 deg
peri 216.1430720228053 2.8382e-05 deg
M 128.3835831426804 1.0216e-05 deg
tp 2456700.688811187840
(2014-Feb-12.18881119)
5.297e-05 JED
period 1962.338344244454
5.37
2.4515e-05
6.712e-08
d
yr
n .1834546020342931 2.2919e-09 deg/d
Q 3.874954242341254 3.2273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      10362 days (28.37 yr)  
   first obs. used      1987-01-26  
   last obs. used      2015-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52796  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:21:26  

Additional Information
 Earth MOID = 1.28452 au 
 Jupiter MOID = 1.2803 au 
 T_jup = 3.138 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.2 mag n/a MPO319307  

17721 (1997 XT10)          Discovered 1997-Dec-10 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 XT10 = 1987 BG 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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