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295461 (2008 PU12)
Classification: Main-belt Asteroid          SPK-ID: 2295461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06195056779618443 5.6785e-08  
a 2.88598830454936 3.8268e-08 au
q 2.707199690429379 1.6688e-07 au
i 7.055130085861609 6.3997e-06 deg
node 139.7872479935502 4.1482e-05 deg
peri 198.1357217281218 5.838e-05 deg
M 128.2086268178507 4.0194e-05 deg
tp 2458362.743307122578
(2018-Sep-01.24330712)
0.00020018 TDB
period 1790.771924903772
4.90
3.5618e-05
9.752e-08
d
yr
n .2010306253932056 3.9985e-09 deg/d
Q 3.06477691866934 4.0639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      5052 days (13.83 yr)  
   first obs. used      2006-02-05  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:30:46  

Additional Information
 Earth MOID = 1.69829 au 
 Jupiter MOID = 2.21365 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457149.5 (2015-May-07.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06256001956779099 5.7207e-08  
q 2.704166040151433 1.6761e-07 au
tp 2456557.260339997341
(2013-Sep-21.76034000)
0.00020104 TDB
node 139.8829508368796 4.1384e-05 deg
peri 195.1440384175887 5.7858e-05 deg
i 7.062785866034138 6.4092e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      5052 days (13.83 yr)  
   first obs. used      2006-02-05  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58804  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:30:46  

Additional Information
 Jupiter MOID = 2.21365 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.272626556799291E-15 -9.369644492763125E-15 -1.833223817094186E-13 7.428855061101999E-16 -1.323926230506613E-14 1.346487503500031E-15
q -9.369644492763125E-15 2.809317611731467E-14 -9.675843438575251E-13 -4.58049723754192E-15 -1.782349153102091E-13 -2.031288359267039E-15
tp -1.833223817094186E-13 -9.675843438575251E-13 4.041717264895087E-8 -1.534557370531381E-11 8.141299419031731E-9 5.218694029137576E-12
node 7.428855061101999E-16 -4.58049723754192E-15 -1.534557370531381E-11 1.712659240146955E-9 -1.702413620822874E-9 3.984773738467576E-11
peri -1.323926230506613E-14 -1.782349153102091E-13 8.141299419031731E-9 -1.702413620822874E-9 3.347536541455804E-9 -3.834675116907852E-11
i 1.346487503500031E-15 -2.031288359267039E-15 5.218694029137576E-12 3.984773738467576E-11 -3.834675116907852E-11 4.107824135038402E-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 16.1   n/a MPO455184  

295461 (2008 PU12)          Discovered 2008-Aug-09 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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