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351649 (2005 YY123)
Classification: Main-belt Asteroid          SPK-ID: 2351649
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025755030990696 5.019e-08  
a 2.291622508704598 1.8981e-08 au
q 2.056558176961072 1.1936e-07 au
i 7.106843230847869 5.6707e-06 deg
node 317.8697397234738 5.2978e-05 deg
peri 139.0954638076769 6.6505e-05 deg
M 312.6720326689406 4.2337e-05 deg
tp 2458767.082124907987
(2019-Oct-10.58212491)
0.00015028 TDB
period 1267.106287227337
3.47
1.5743e-05
4.31e-08
d
yr
n .2841119199145847 3.5299e-09 deg/d
Q 2.526686840448124 2.0928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      4663 days (12.77 yr)  
   first obs. used      2005-12-25  
   last obs. used      2018-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:10:46  

Additional Information
 Earth MOID = 1.07926 au 
 Jupiter MOID = 2.59468 au 
 T_jup = 3.581 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457046.5 (2015-Jan-24.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017761135599312 5.0146e-08  
q 2.058670558989825 1.1915e-07 au
tp 2457499.969897728823
(2016-Apr-21.46989773)
0.00014245 TDB
node 317.934492083986 5.2928e-05 deg
peri 139.038813765662 6.6677e-05 deg
i 7.109825388747671 5.6736e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      4663 days (12.77 yr)  
   first obs. used      2005-12-25  
   last obs. used      2018-10-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:10:46  

Additional Information
 Jupiter MOID = 2.59468 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.514613144849646E-15 -5.915332379054969E-15 -1.01674567634495E-12 -1.625833803972656E-14 -1.850062237094502E-13 -6.036365739070758E-15
q -5.915332379054969E-15 1.419724203273553E-14 3.647335692187998E-12 4.27259709357962E-14 7.667905344049634E-13 1.683133217153153E-14
tp -1.01674567634495E-12 3.647335692187998E-12 2.029290536849496E-8 3.764294622145348E-11 5.806965481351703E-9 3.318393330714028E-11
node -1.625833803972656E-14 4.27259709357962E-14 3.764294622145348E-11 2.801389528394591E-9 -2.76912403582566E-9 6.74358330383849E-11
peri -1.850062237094502E-13 7.667905344049634E-13 5.806965481351703E-9 -2.76912403582566E-9 4.445798260201591E-9 -5.767247785208623E-11
i -6.036365739070758E-15 1.683133217153153E-14 3.318393330714028E-11 6.74358330383849E-11 -5.767247785208623E-11 3.218960087677458E-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 17.0   n/a MPO455545  

351649 (2005 YY123)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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