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JPL Small-Body Database Browser
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17721 (1997 XT10)
Classification: Main-belt Asteroid          SPK-ID: 2017721
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2625224692461376 4.7483e-08  
a 3.067313013183754 1.6716e-08 au
q 2.262074427011945 1.4738e-07 au
i 13.29949197379673 4.8393e-06 deg
node 304.308589522008 1.8558e-05 deg
peri 216.2798447974798 1.9934e-05 deg
M 348.303770141548 7.6996e-06 deg
tp 2458664.249820520296
(2019-Jun-29.74982052)		 4.2164e-05 TDB
period 1962.165216060832
5.37		 1.604e-05
4.392e-08		 d
yr
n .1834707888272131 1.4998e-09 deg/d
Q 3.872551599355564 2.1105e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1287  
   data-arc span      11794 days (32.29 yr)  
   first obs. used      1987-01-26  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50256  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:40  

Additional Information
 Earth MOID = 1.28697 au 
 Jupiter MOID = 1.27811 au 
 T_jup = 3.138 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO474002  
diameter diameter 6.253 km 1.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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