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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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435315669498764 1.2401e-08  
a 3.136269733295255 1.3979e-08 au
q 2.686116024097916 3.5617e-08 au
i 12.28908371477547 5.9156e-07 deg
node 102.4605205309632 3.6377e-06 deg
peri 278.3863587422738 1.1009e-05 deg
M 22.21121217602775 8.0685e-06 deg
tp 2459075.333445553526
(2020-Aug-13.83344555)
4.5405e-05 TDB
period 2028.703307303648
5.55
1.3563e-05
3.713e-08
d
yr
n .1774532523824178 1.1864e-09 deg/d
Q 3.586423442492594 1.5985e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2393  
   data-arc span      14852 days (40.66 yr)  
   first obs. used      1980-07-11  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:44:52  

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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