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154363 (2002 XB61)
Classification: Main-belt Asteroid          SPK-ID: 2154363
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1732033030341955 4.9566e-08  
a 2.144545196056787 1.0823e-08 au
q 1.773102884593635 1.1313e-07 au
i 1.885048204765414 2.6669e-06 deg
node 51.51452841863338 0.00011751 deg
peri 280.2615903643335 0.00011795 deg
M 291.2926411469294 1.3229e-05 deg
tp 2459219.428340727160
(2021-Jan-04.92834073)
4.3491e-05 TDB
period 1147.099873687772
3.14
8.684e-06
2.378e-08
d
yr
n .3138349225361243 2.3759e-09 deg/d
Q 2.515987507519938 1.2698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      8034 days (22.00 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:58:28  

Additional Information
 Earth MOID = .763733 au 
 Jupiter MOID = 2.82743 au 
 T_jup = 3.690 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457108.5 (2015-Mar-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733703131903407 4.9728e-08  
q 1.772520399512512 1.1351e-07 au
tp 2456924.353576270083
(2014-Sep-23.85357627)
3.0866e-05 TDB
node 51.53596569746992 0.00011756 deg
peri 280.028679760774 0.00011799 deg
i 1.885373130991744 2.6656e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      608  
   data-arc span      8034 days (22.00 yr)  
   first obs. used      1998-06-19  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:58:28  

Additional Information
 Jupiter MOID = 2.82743 au 
 T_jup = 3.690 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.472870737521094E-15 -5.636829106674273E-15 -8.440673641127986E-13 -1.426948745395823E-14 -2.383988839805632E-13 -3.450203832739231E-15
q -5.636829106674273E-15 1.288499183652198E-14 1.971385060800879E-12 3.214132221570938E-14 5.603225427176151E-13 7.931506383373995E-15
tp -8.440673641127986E-13 1.971385060800879E-12 9.526914375182538E-10 -1.835011834776644E-12 3.234906904906905E-10 1.442159076597902E-12
node -1.426948745395823E-14 3.214132221570938E-14 -1.835011834776644E-12 1.382138084558885E-8 -1.381472298942787E-8 4.585678706875558E-11
peri -2.383988839805632E-13 5.603225427176151E-13 3.234906904906905E-10 -1.381472298942787E-8 1.392225816343987E-8 -4.538914194305663E-11
i -3.450203832739231E-15 7.931506383373995E-15 1.442159076597902E-12 4.585678706875558E-11 -4.538914194305663E-11 7.105181611449255E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO469636  

154363 (2002 XB61)          Discovered 2002-Dec-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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