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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2632524108572132 7.8351e-08  
a 3.06638735041256 2.5518e-08 AU
q 2.259153487794392 2.3366e-07 AU
i 13.30412452299179 7.2697e-06 deg
node 304.3470220405283 2.8728e-05 deg
peri 216.0659548787835 3.0284e-05 deg
M 55.07312015270634 1.0066e-05 deg
tp 2456700.462091009039
(2014-Feb-11.96209101)
5.3841e-05 JED
period 1961.277061064391
5.37
2.4482e-05
6.703e-08
d
yr
n .1835538727020173 2.2912e-09 deg/d
Q 3.873621213030729 3.2235e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      9998 days (27.37 yr)  
   first obs. used      1987-01-26  
   last obs. used      2014-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5315  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:36:30  

Additional Information
 Earth MOID = 1.28413 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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