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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434035676100955 3.9509e-08  
a 3.135773242772792 1.671e-08 au
q 2.686092172542895 1.2465e-07 au
i 12.2891740463573 3.5577e-06 deg
node 102.4593041945882 2.1979e-05 deg
peri 278.3404642598899 2.5637e-05 deg
M 346.7524032516534 1.2531e-05 deg
tp 2459075.136282697845
(2020-Aug-13.63628270)		 7.0511e-05 TDB
period 2028.221592310919
5.55		 1.6212e-05
4.439e-08		 d
yr
n .1774953986116589 1.4187e-09 deg/d
Q 3.585454313002688 1.9106e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2085  
   data-arc span      14737 days (40.35 yr)  
   first obs. used      1980-07-11  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:45:48  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2101-Aug-26 14:49 00:02 Jupiter 1.98270284698163 1.98270242396278 1.98270327000036 3.14013085030482 3.00100146517696 2488672.117548022 2.09527904134583 88.0080602701766 24.8006213832607 89.3925168507266 1866399.23782316 T 32 CATAB v2.0f-lin.ifort 2020-Dec-18 02:45:53 2020-Dec-18 02:45
2184-Nov-19 14:22 00:04 Jupiter 1.96762315380355 1.96762274724587 1.96762356036123 3.34074695770089 3.20930368353843 2519073.098824004 3.9981707783046 139.322101445455 23.3083583440979 -82.8680605251848 1777715.53406456 T 32 CATAB v2.0f-lin.ifort 2020-Dec-18 02:45:53 2020-Dec-18 02:45

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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