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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434035665577292 3.9618e-08  
a 3.135773243314653 1.6784e-08 au
q 2.686092176307034 1.251e-07 au
i 12.28917398179 3.5874e-06 deg
node 102.459303900966 2.2081e-05 deg
peri 278.3404649797571 2.5754e-05 deg
M 346.7524026409548 1.2656e-05 deg
tp 2459075.136286157836
(2020-Aug-13.63628616)
7.1224e-05 TDB
period 2028.221592836634
5.55
1.6284e-05
4.458e-08
d
yr
n .1774953985656521 1.4251e-09 deg/d
Q 3.585454310322272 1.9191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2055  
   data-arc span      14721 days (40.30 yr)  
   first obs. used      1980-07-11  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:59:50  

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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