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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435315789003615 3.8503e-08  
a 3.136269740256449 1.6099e-08 au
q 2.686115992580014 1.2066e-07 au
i 12.28907787010106 3.3028e-06 deg
node 102.460508750777 2.0333e-05 deg
peri 278.3863673031474 2.4025e-05 deg
M 22.21121506810445 1.1481e-05 deg
tp 2459075.333428839119
(2020-Aug-13.83342884)
6.4965e-05 TDB
period 2028.703314057945
5.55
1.562e-05
4.277e-08
d
yr
n .1774532517916109 1.3663e-09 deg/d
Q 3.586423487932884 1.8409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2301  
   data-arc span      14802 days (40.53 yr)  
   first obs. used      1980-07-11  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:00:21  

Additional Information
 Earth MOID = 1.72315 au 
 Jupiter MOID = 1.99227 au 
 T_jup = 3.161 
[ 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 12.58   n/a E2021B10  
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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