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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434035653028873 4.3727e-08  
a 3.13577324466699 1.9703e-08 au
q 2.68609218140034 1.4184e-07 au
i 12.2891763477309 4.199e-06 deg
node 102.4593120806564 2.3349e-05 deg
peri 278.340458230131 2.8181e-05 deg
M 346.7524009277333 1.723e-05 deg
tp 2459075.136295858320
(2020-Aug-13.63629586)
9.7261e-05 TDB
period 2028.221594148673
5.55
1.9116e-05
5.234e-08
d
yr
n .1774953984508318 1.6729e-09 deg/d
Q 3.585454307933639 2.2529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1845  
   data-arc span      14633 days (40.06 yr)  
   first obs. used      1980-07-11  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50265  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:24:17  

Additional Information
 Earth MOID = 1.72437 au 
 Jupiter MOID = 1.99245 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 12.5   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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