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392460 (2010 XY9)
Classification: Jupiter Trojan          SPK-ID: 2392460
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07630331179707198 1.229e-07  
a 5.284515053369302 8.5594e-07 au
q 4.881289053555744 1.2438e-06 au
i 8.427503684559625 1.1936e-05 deg
node 112.9866085250048 9.7649e-05 deg
peri 1.347628538069371 0.00023146 deg
M 246.2053756219049 0.00023773 deg
tp 2460403.072701029658
(2024-Apr-02.57270103)
0.0032481 TDB
period 4437.170693520677
12.15
0.001078
2.951e-06
d
yr
n .08113278141985512 1.9712e-08 deg/d
Q 5.68774105318286 9.2125e-07 au
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      3551 days (9.72 yr)  
   first obs. used      2010-11-08  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:20:16  

Additional Information
 Earth MOID = 3.89776 au 
 Jupiter MOID = .335488 au 
 T_jup = 2.973 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457366.5 (2015-Dec-10.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07696980950816858 1.2158e-07  
q 4.872340866790029 1.2239e-06 au
tp 2455979.308686911998
(2012-Feb-21.80868691)
0.0022489 TDB
node 112.9908317843993 9.7671e-05 deg
peri 1.989636956774517 0.00023027 deg
i 8.429304699128277 1.1935e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      67  
   data-arc span      3551 days (9.72 yr)  
   first obs. used      2010-11-08  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 23:20:16  

Additional Information
 Jupiter MOID = .335488 au 
 T_jup = 2.973 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.478068985968529E-14 -1.222946999437428E-13 -7.043894305677728E-11 2.574119872334724E-14 -7.538672426747817E-12 -6.561114810721168E-15
q -1.222946999437428E-13 1.497826064098993E-12 1.91225796390754E-9 -7.593048619548784E-13 1.877714571747205E-10 9.747633894046861E-14
tp -7.043894305677728E-11 1.91225796390754E-9 5.057481475535917E-6 -1.922591158823703E-9 4.686527093090143E-7 6.284602192630809E-11
node 2.574119872334724E-14 -7.593048619548784E-13 -1.922591158823703E-9 9.539680681809951E-9 -9.614824487949086E-9 4.113221647105469E-10
peri -7.538672426747817E-12 1.877714571747205E-10 4.686527093090143E-7 -9.614824487949086E-9 5.302285867058315E-8 -3.995097799575323E-10
i -6.561114810721168E-15 9.747633894046861E-14 6.284602192630809E-11 4.113221647105469E-10 -3.995097799575323E-10 1.42438594432244E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO494989  

392460 (2010 XY9)          Discovered 2010-Nov-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

Alternate Designations
 2010 XY9 = 2013 CH110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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