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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2632524105221944 7.8358e-08  
a 3.066387351172222 2.5535e-08 AU
q 2.259153489381368 2.3369e-07 AU
i 13.30412461316894 7.2722e-06 deg
node 304.3470217349856 2.8756e-05 deg
peri 216.0659554660358 3.0311e-05 deg
M 55.07311962356744 1.0087e-05 deg
tp 2456700.462093780287
(2014-Feb-11.96209378)
5.3948e-05 JED
period 1961.277061793216
5.37
2.4499e-05
6.707e-08
d
yr
n .1835538726338074 2.2928e-09 deg/d
Q 3.873621212963076 3.2258e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      673  
   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      .53845  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:39:20  

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 13.1 mag n/a MPO256994  

17721 (1997 XT10)          Discovered 1997-Dec-10 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
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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