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332517 (2008 JB4)
Classification: Main-belt Asteroid          SPK-ID: 2332517
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 .1870104825026657 5.9693e-08  
a 2.437930149689192 2.0268e-08 au
q 1.982011656088021 1.3985e-07 au
i 22.47027959323434 5.7891e-06 deg
node 231.9132404943752 1.7683e-05 deg
peri 43.22917448862598 2.5421e-05 deg
M 34.66541252150931 2.1094e-05 deg
tp 2458866.617385059229
(2020-Jan-18.11738506)
8.0375e-05 TDB
period 1390.369762620644
3.81
1.7339e-05
4.747e-08
d
yr
n .2589239277769193 3.2289e-09 deg/d
Q 2.893848643290364 2.4058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5947 days (16.28 yr)  
   first obs. used      2004-04-22  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:13:07  

Additional Information
 Earth MOID = 1.00972 au 
 Jupiter MOID = 2.24938 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457631.5 (2016-Aug-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863214636072289 5.9663e-08  
q 1.983917214049691 1.3971e-07 au
tp 2457476.389341915778
(2016-Mar-28.88934192)
7.0749e-05 TDB
node 231.9290317777355 1.7676e-05 deg
peri 43.30022567253346 2.545e-05 deg
i 22.47270562467488 5.7895e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5947 days (16.28 yr)  
   first obs. used      2004-04-22  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:13:07  

Additional Information
 Jupiter MOID = 2.24938 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.559674947453736E-15 -8.286955214857549E-15 1.456852150271836E-12 1.216670458716853E-14 2.989975837480178E-13 -2.173344139470908E-14
q -8.286955214857549E-15 1.951801679706204E-14 -2.983343621198919E-12 -3.403540406857185E-14 -5.872808284299767E-13 4.687189269053772E-14
tp 1.456852150271836E-12 -2.983343621198919E-12 5.005475495814096E-9 -9.01298197676821E-12 1.342329924626291E-9 -3.896055210108346E-11
node 1.216670458716853E-14 -3.403540406857185E-14 -9.01298197676821E-12 3.124438748205637E-10 -2.906428688337064E-10 6.798921619828413E-12
peri 2.989975837480178E-13 -5.872808284299767E-13 1.342329924626291E-9 -2.906428688337064E-10 6.476970681916189E-10 -1.580787372460937E-11
i -2.173344139470908E-14 4.687189269053772E-14 -3.896055210108346E-11 6.798921619828413E-12 -1.580787372460937E-11 3.351838272943345E-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 16.8   n/a MPO339008  

332517 (2008 JB4)          Discovered 2008-May-01 by CSS at Catalina
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Alternate Designations
 2008 JB4 = 2004 HU47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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