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441513 (2008 SH146)
Classification: Main-belt Asteroid          SPK-ID: 2441513
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146476084429134 9.6151e-08  
a 2.320745731132481 2.1657e-08 au
q 1.980811983480567 2.2745e-07 au
i 4.473236423634099 6.3281e-06 deg
node 283.588538216557 0.00014461 deg
peri 109.8082465503459 0.00014929 deg
M 88.73276245641364 3.9093e-05 deg
tp 2458682.211264519452
(2019-Jul-17.71126452)
0.00013816 TDB
period 1291.337512784887
3.54
1.8076e-05
4.949e-08
d
yr
n .2787807187786461 3.9023e-09 deg/d
Q 2.660679478784394 2.4829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5143 days (14.08 yr)  
   first obs. used      2005-12-05  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:44:50  

Additional Information
 Earth MOID = .992539 au 
 Jupiter MOID = 2.76564 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457112.5 (2015-Mar-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463890740821842 9.714e-08  
q 1.981063525560664 2.3001e-07 au
tp 2457388.532453488458
(2016-Jan-01.03245349)
0.00013071 TDB
node 283.7347184418111 0.00014475 deg
peri 109.1272203436479 0.00014937 deg
i 4.470133795556073 6.3363e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      5143 days (14.08 yr)  
   first obs. used      2005-12-05  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56968  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:44:50  

Additional Information
 Jupiter MOID = 2.76564 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.436221492250397E-15 -2.227304773473764E-14 -9.7670829166363E-12 -1.121378718091333E-13 -2.793456046675962E-12 -2.889252638096478E-14
q -2.227304773473764E-14 5.290231899383807E-14 2.352581292217056E-11 2.737987449424721E-13 6.700792171479601E-12 6.933181289300909E-14
tp -9.7670829166363E-12 2.352581292217056E-11 1.708522136365339E-8 1.591009996761047E-10 4.990008273952163E-9 3.904019002747123E-11
node -1.121378718091333E-13 2.737987449424721E-13 1.591009996761047E-10 2.095365708703141E-8 -2.0843864274425E-8 4.899504357167219E-10
peri -2.793456046675962E-12 6.700792171479601E-12 4.990008273952163E-9 -2.0843864274425E-8 2.231232026828222E-8 -4.769152157684744E-10
i -2.889252638096478E-14 6.933181289300909E-14 3.904019002747123E-11 4.899504357167219E-10 -4.769152157684744E-10 4.014918746992441E-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 17.9   n/a MPO408993  

441513 (2008 SH146)          Discovered 2008-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 SH146 = 2005 YO231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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