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11396 (1998 XZ77)
Classification: Jupiter Trojan          SPK-ID: 2011396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06491923464362792 5.7365e-08  
a 5.213654296467257 7.9722e-08 au
q 4.87518784984414 3.3085e-07 au
i 12.57920502666807 5.6818e-06 deg
node 195.6625496348896 1.65e-05 deg
peri 177.4816552391546 3.7148e-05 deg
M 15.85617198593943 3.06e-05 deg
tp 2459204.982872087032
(2020-Dec-21.48287209)
0.00037156 TDB
period 4348.222642249772
11.90
9.9733e-05
2.731e-07
d
yr
n .08279244868973312 1.899e-09 deg/d
Q 5.552120743090373 8.4897e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      25480 days (69.76 yr)  
   first obs. used      1951-11-05  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:32:56  

Additional Information
 Earth MOID = 3.87508 au 
 Jupiter MOID = .0767656 au 
 T_jup = 2.948 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457536.5 (2016-May-28.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06334970724731344 5.7293e-08  
q 4.883335703993694 3.2896e-07 au
tp 2459196.996246336609
(2020-Dec-13.49624634)
0.00038291 TDB
node 195.6938282605795 1.6491e-05 deg
peri 176.5135119749827 3.8084e-05 deg
i 12.58209793842263 5.6828e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      25480 days (69.76 yr)  
   first obs. used      1951-11-05  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43969  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:32:56  

Additional Information
 Jupiter MOID = .0767656 au 
 T_jup = 2.948 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.28243707576383E-15 -1.839148986507483E-14 1.41109397660381E-12 -4.812173380967849E-15 2.614800281393737E-13 -1.625535193815629E-15
q -1.839148986507483E-14 1.082155271148035E-13 -2.092967258629154E-11 3.324428285921418E-14 -2.784436763876432E-12 1.044372590906689E-14
tp 1.41109397660381E-12 -2.092967258629154E-11 1.466190374466936E-7 -1.828912271509348E-11 1.31010354109411E-8 6.589755225470645E-12
node -4.812173380967849E-15 3.324428285921418E-14 -1.828912271509348E-11 2.719585945425902E-10 -2.672056174919831E-10 -2.041218522368109E-11
peri 2.614800281393737E-13 -2.784436763876432E-12 1.31010354109411E-8 -2.672056174919831E-10 1.450424658765066E-9 2.034373091781047E-11
i -1.625535193815629E-15 1.044372590906689E-14 6.589755225470645E-12 -2.041218522368109E-11 2.034373091781047E-11 3.229470825633741E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.66   n/a MPCxxxxx  
diameter diameter 37.109 km 0.843 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.074   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

11396 (1998 XZ77)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XZ77 = 1992 HU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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