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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05410435388464904 2.4986e-08  
a 2.77845877369787 1.1582e-08 au
q 2.628132056951813 6.7503e-08 au
i 7.179897130875505 8.6886e-07 deg
node 95.33966286988748 2.4321e-06 deg
peri 223.8066766119694 1.2607e-05 deg
M 143.5212045066814 1.2469e-05 deg
tp 2458526.099424191413
(2019-Feb-11.59942419)
5.7099e-05 TDB
period 1691.626043173215
4.63
1.0577e-05
2.896e-08
d
yr
n .2128129922407074 1.3306e-09 deg/d
Q 2.928785490443928 1.2208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2323  
   data-arc span      16387 days (44.87 yr)  
   first obs. used      1976-05-02  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51647  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:41:35  

Additional Information
 Earth MOID = 1.61761 au 
 Jupiter MOID = 2.23816 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 13.43   n/a E2021B10  
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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