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17717 (1997 XL)
Classification: Main-belt Asteroid          SPK-ID: 2017717
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1092981524312119 3.0692e-08  
a 2.2923756381092 8.2649e-09 au
q 2.041823216185544 7.0267e-08 au
i 5.833707351869495 4.339e-06 deg
node 44.18519687646053 3.6381e-05 deg
peri 73.71650846477475 4.3777e-05 deg
M 25.99833538563918 2.2122e-05 deg
tp 2458508.947513339398
(2019-Jan-25.44751334)		 7.7965e-05 TDB
period 1267.730980038911
3.47		 6.856e-06
1.877e-08		 d
yr
n .2839719196488757 1.5357e-09 deg/d
Q 2.542928060032856 9.1683e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      12965 days (35.50 yr)  
   first obs. used      1983-11-08  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49576  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:40  

Additional Information
 Earth MOID = 1.06737 au 
 Jupiter MOID = 2.53522 au 
 T_jup = 3.583 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO384906  
diameter diameter 3.438 km 0.753 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17717 (1997 XL)          Discovered 1997-Dec-03 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 XL = 1983 VC4 = 1990 WG13 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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