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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089897097414134 3.0611e-08  
a 2.293277884398652 7.9942e-09 au
q 2.043334193421641 7.0083e-08 au
i 5.831947146457349 4.3125e-06 deg
node 44.17718969939928 3.6335e-05 deg
peri 73.93850359136607 4.3728e-05 deg
M 139.3684322004536 2.2046e-05 deg
tp 2458509.427782003600
(2019-Jan-25.92778200)
7.7949e-05 TDB
period 1268.479494871786
3.47
6.6327e-06
1.816e-08
d
yr
n .2838043511585402 1.484e-09 deg/d
Q 2.543221575375664 8.8655e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      12981 days (35.54 yr)  
   first obs. used      1983-11-08  
   last obs. used      2019-05-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:10:32  

Additional Information
 Earth MOID = 1.06858 au 
 Jupiter MOID = 2.53261 au 
 T_jup = 3.582 
[ 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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