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11355 (1997 XL11)
Classification: Main-belt Asteroid          SPK-ID: 2011355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05413366244263287 3.9184e-08  
a 2.777931576352823 1.2987e-08 au
q 2.627551966109808 1.0662e-07 au
i 7.180330136200696 3.3748e-06 deg
node 95.339197319265 3.4606e-05 deg
peri 223.5893480870804 4.9909e-05 deg
M 101.1814944938227 3.6039e-05 deg
tp 2458525.187394116716
(2019-Feb-10.68739412)
0.00016931 TDB
period 1691.14460083834
4.63
1.1859e-05
3.247e-08
d
yr
n .2128735767606978 1.4928e-09 deg/d
Q 2.928311186595837 1.369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1912  
   data-arc span      15976 days (43.74 yr)  
   first obs. used      1976-05-02  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:01:28  

Additional Information
 Earth MOID = 1.61893 au 
 Jupiter MOID = 2.23913 au 
 T_jup = 3.321 
[ 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 13.4   n/a MPO365386  
diameter diameter 5.654 km 0.779 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.290   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11355 (1997 XL11)          Discovered 1997-Dec-15 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 XL11 = 1976 JO2 = 1977 QV1 = 1999 JE68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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