Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2632524106539421 7.8352e-08  
a 3.066387351000249 2.553e-08 AU
q 2.259153488850678 2.3367e-07 AU
i 13.30412453494274 7.2699e-06 deg
node 304.3470219012995 2.8753e-05 deg
peri 216.0659552315194 3.0308e-05 deg
M 55.07311975705885 1.008e-05 deg
tp 2456700.462093078268
(2014-Feb-11.96209308)
5.3911e-05 JED
period 1961.277061628224
5.37
2.4494e-05
6.706e-08
d
yr
n .1835538726492488 2.2923e-09 deg/d
Q 3.87362121314982 3.2251e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      677  
   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      .53715  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:35:46  

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Dec-20 06:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin