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351655 (2005 YA161)
Classification: Main-belt Asteroid          SPK-ID: 2351655
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1824721617534975 5.2027e-08  
a 2.2679954553349 2.0221e-08 au
q 1.854149421752832 1.2618e-07 au
i 6.906789609566027 4.2842e-06 deg
node 135.8305085023356 4.4832e-05 deg
peri 260.7512274124559 4.7652e-05 deg
M 129.9092183348821 1.4194e-05 deg
tp 2458550.306556576122
(2019-Mar-07.80655658)
4.8024e-05 TDB
period 1247.560732871245
3.42
1.6684e-05
4.568e-08
d
yr
n .2885631059992282 3.8591e-09 deg/d
Q 2.681841488916966 2.3911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      5149 days (14.10 yr)  
   first obs. used      2005-12-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:25  

Additional Information
 Earth MOID = .875802 au 
 Jupiter MOID = 2.76376 au 
 T_jup = 3.583 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457351.5 (2015-Nov-25.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1816495356111751 5.1706e-08  
q 1.856286017594347 1.2528e-07 au
tp 2457300.758359735013
(2015-Oct-05.25835973)
4.9128e-05 TDB
node 135.9144312766065 4.4784e-05 deg
peri 260.331969546101 4.767e-05 deg
i 6.909108201727214 4.2854e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      5149 days (14.10 yr)  
   first obs. used      2005-12-27  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:25  

Additional Information
 Jupiter MOID = 2.76376 au 
 T_jup = 3.583 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.673546339900647E-15 -6.432164681079386E-15 1.049866533796645E-12 2.323025675069952E-14 3.444225766227699E-13 -1.806834351220864E-14
q -6.432164681079386E-15 1.569424579114883E-14 -2.542794711857986E-12 -5.577580991473594E-14 -8.319828393693144E-13 4.427247029288525E-14
tp 1.049866533796645E-12 -2.542794711857986E-12 2.413552267004782E-9 2.200094511454648E-11 8.2824558887418E-10 -1.104398495009545E-11
node 2.323025675069952E-14 -5.577580991473594E-14 2.200094511454648E-11 2.005635700130214E-9 -1.983540318622489E-9 -3.760541340522895E-11
peri 3.444225766227699E-13 -8.319828393693144E-13 8.2824558887418E-10 -1.983540318622489E-9 2.272467659124997E-9 3.357808216549755E-11
i -1.806834351220864E-14 4.427247029288525E-14 -1.104398495009545E-11 -3.760541340522895E-11 3.357808216549755E-11 1.836441589527708E-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 17.5   n/a MPO455545  

351655 (2005 YA161)          Discovered 2005-Dec-27 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31

Alternate Designations
 2005 YA161 = 2008 RS114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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