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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457092.5 (2015-Mar-11.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472499994807483 4.0449e-08  
q 2.673565101239904 1.2829e-07 au
tp 2457031.538642182763
(2015-Jan-09.03864218)
6.9856e-05 TDB
node 102.866498060363 2.2105e-05 deg
peri 275.8897923840344 2.528e-05 deg
i 12.25366365766045 3.5503e-06 deg
  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
 Jupiter MOID = 1.99245 au 
 T_jup = 3.161 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.636130963081249E-15 -5.15896034793142E-15 -2.655415961465971E-13 -6.429618189471292E-15 -4.905598209782232E-14 -3.018582084086039E-15
q -5.15896034793142E-15 1.645806062165764E-14 5.566543670891235E-13 1.973691443623796E-14 1.073811544848368E-13 1.036232939057433E-14
tp -2.655415961465971E-13 5.566543670891235E-13 4.879832388110831E-9 1.923619483143847E-12 8.941239070440382E-10 1.947127706321716E-12
node -6.429618189471292E-15 1.973691443623796E-14 1.923619483143847E-12 4.886479988912062E-10 -4.773063793709615E-10 4.214619945933757E-12
peri -4.905598209782232E-14 1.073811544848368E-13 8.941239070440382E-10 -4.773063793709615E-10 6.390987635396995E-10 -3.885599623910042E-12
i -3.018582084086039E-15 1.036232939057433E-14 1.947127706321716E-12 4.214619945933757E-12 -3.885599623910042E-12 1.260487356279077E-11

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

[ hide close-approach data ]
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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