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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2632524159245586 7.5678e-08  
a 3.066387350389143 2.5517e-08 AU
q 2.259153472238695 2.2526e-07 AU
i 13.30412405259026 7.1685e-06 deg
node 304.347019744959 2.8077e-05 deg
peri 216.0659577036101 2.9647e-05 deg
M 55.07311992350169 1.0007e-05 deg
tp 2456700.462092261181
(2014-Feb-11.96209226)
5.3513e-05 JED
period 1961.277061041925
5.37
2.4481e-05
6.703e-08
d
yr
n .1835538727041199 2.2912e-09 deg/d
Q 3.873621228539591 3.2235e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      10343 days (28.32 yr)  
   first obs. used      1987-01-26  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53014  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:29:45  

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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