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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025146602114465 4.3315e-08  
a 2.291420087234667 1.2453e-08 au
q 2.056515935590122 9.6002e-08 au
i 7.107526089895799 5.4762e-06 deg
node 317.8658762494293 3.5606e-05 deg
peri 138.9767843414372 4.8556e-05 deg
M 66.42573631113396 3.0797e-05 deg
tp 2458766.729676879312
(2019-Oct-10.22967688)
0.000108 TDB
period 1266.938403652164
3.47
1.0328e-05
2.828e-08
d
yr
n .2841495679365619 2.3163e-09 deg/d
Q 2.526324238879211 1.3729e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      5232 days (14.32 yr)  
   first obs. used      2005-12-25  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:54:40  

Additional Information
 Earth MOID = 1.07909 au 
 Jupiter MOID = 2.59395 au 
 T_jup = 3.581 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457681.5 (2016-Oct-20.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018000108793788 4.3418e-08  
q 2.058564875341937 9.6165e-08 au
tp 2457500.548868081783
(2016-Apr-22.04886808)
0.00010749 TDB
node 317.9306354453818 3.5587e-05 deg
peri 139.2329667005718 4.8713e-05 deg
i 7.108859749484925 5.4775e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      5232 days (14.32 yr)  
   first obs. used      2005-12-25  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:54:40  

Additional Information
 Jupiter MOID = 2.59395 au 
 T_jup = 3.581 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.885098477726307E-15 -4.150308056962025E-15 1.295711056089539E-12 -4.89203029536764E-15 4.006972621443951E-13 -1.669083432340966E-15
q -4.150308056962025E-15 9.247653773037905E-15 -2.861591577015068E-12 1.021310701674283E-14 -8.819417653842313E-13 3.905640688816706E-15
tp 1.295711056089539E-12 -2.861591577015068E-12 1.155365397662113E-8 -7.548901143755159E-12 3.590166374171313E-9 9.648693925451909E-12
node -4.89203029536764E-15 1.021310701674283E-14 -7.548901143755159E-12 1.26643995715028E-9 -1.258099692202352E-9 2.958914492491341E-11
peri 4.006972621443951E-13 -8.819417653842313E-13 3.590166374171313E-9 -1.258099692202352E-9 2.372974146230762E-9 -2.638023431308507E-11
i -1.669083432340966E-15 3.905640688816706E-15 9.648693925451909E-12 2.958914492491341E-11 -2.638023431308507E-11 3.000279542519414E-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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