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JPL Small-Body Database Browser
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11394 (1998 XL77)
Classification: Main-belt Asteroid          SPK-ID: 2011394
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437018316242965 4.4121e-08  
a 3.139079060122723 2.0492e-08 au
q 2.687987649569612 1.4318e-07 au
i 12.28645624888828 4.2224e-06 deg
node 102.4573541501294 2.3387e-05 deg
peri 277.9488190399653 2.8251e-05 deg
M 276.1781306556604 1.7241e-05 deg
tp 2459073.495107860116
(2020-Aug-11.99510786)
9.8597e-05 TDB
period 2031.429746933227
5.56
1.9892e-05
5.446e-08
d
yr
n .1772150873262925 1.7353e-09 deg/d
Q 3.590170470675834 2.3437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1786  
   data-arc span      14356 days (39.30 yr)  
   first obs. used      1980-07-11  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50798  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:31:08  

Additional Information
 Earth MOID = 1.72548 au 
 Jupiter MOID = 1.99009 au 
 T_jup = 3.160 
[ 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 12.5   n/a MPO452331  
diameter diameter 17.397 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.047   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11394 (1998 XL77)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XL77 = 1980 NA = 1994 BF5 = 1996 MY 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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