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305610 (2008 YL158)
Classification: Main-belt Asteroid          SPK-ID: 2305610
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0429698842972215 5.3823e-08  
a 2.54593005879763 1.7914e-08 au
q 2.436531738742278 1.4239e-07 au
i 4.700068990404001 4.3305e-06 deg
node 126.8821666019752 6.9935e-05 deg
peri 273.6450711445483 8.8687e-05 deg
M 28.67955356784637 5.3821e-05 deg
tp 2458882.294409791541
(2020-Feb-02.79440979)
0.00022175 TDB
period 1483.775274757206
4.06
1.5661e-05
4.288e-08
d
yr
n .2426243421928618 2.5608e-09 deg/d
Q 2.655328378852983 1.8684e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      9809 days (26.86 yr)  
   first obs. used      1993-03-20  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:25  

Additional Information
 Earth MOID = 1.44945 au 
 Jupiter MOID = 2.50141 au 
 T_jup = 3.437 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457552.5 (2016-Jun-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0427676591143019 5.4204e-08  
q 2.436619355071118 1.4333e-07 au
tp 2457388.971120747751
(2016-Jan-01.47112075)
0.00022001 TDB
node 126.9707333789055 6.9964e-05 deg
peri 271.2951987383179 8.8507e-05 deg
i 4.699468025117599 4.3316e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      9809 days (26.86 yr)  
   first obs. used      1993-03-20  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:56:25  

Additional Information
 Jupiter MOID = 2.50141 au 
 T_jup = 3.437 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.93807591818651E-15 -7.716941611961513E-15 -2.724945083439179E-12 4.8082062069977E-14 -6.752320260839384E-13 -4.446262784555424E-15
q -7.716941611961513E-15 2.054449206215204E-14 6.891086376266545E-12 -1.254291717451175E-13 1.710685843675174E-12 1.217897714763135E-14
tp -2.724945083439179E-12 6.891086376266545E-12 4.840411425743511E-8 6.361334307028573E-12 1.197116760906022E-8 1.3816512101291E-11
node 4.8082062069977E-14 -1.254291717451175E-13 6.361334307028573E-12 4.895006403469065E-9 -4.875977516812269E-9 6.955960265718437E-11
peri -6.752320260839384E-13 1.710685843675174E-12 1.197116760906022E-8 -4.875977516812269E-9 7.8334366035745E-9 -6.601088436227386E-11
i -4.446262784555424E-15 1.217897714763135E-14 1.3816512101291E-11 6.955960265718437E-11 -6.601088436227386E-11 1.876244204280206E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO455251  

305610 (2008 YL158)          Discovered 2008-Dec-31 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 YL158 = 1995 WZ11 = 2007 TY402 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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