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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0620566618028433 5.3976e-08  
a 2.885893503757039 2.9729e-08 au
q 2.706804586595366 1.5629e-07 au
i 7.055598950305474 6.0363e-06 deg
node 139.7862125543713 3.6491e-05 deg
peri 198.2253740984657 5.1099e-05 deg
M 168.3107370461315 3.7627e-05 deg
tp 2458363.301968025002
(2018-Sep-01.80196803)
0.00018325 TDB
period 1790.683688993605
4.90
2.767e-05
7.576e-08
d
yr
n .2010405311740602 3.1065e-09 deg/d
Q 3.064982420918712 3.1574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5541 days (15.17 yr)  
   first obs. used      2006-02-05  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:42:09  

Additional Information
 Earth MOID = 1.69601 au 
 Jupiter MOID = 2.21305 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457595.5 (2016-Jul-26.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06132270279567936 5.4105e-08  
q 2.711181401370462 1.564e-07 au
tp 2458354.741760234573
(2018-Aug-24.24176023)
0.00018505 TDB
node 139.8667214705486 3.645e-05 deg
peri 196.2810694295882 5.1292e-05 deg
i 7.057782129749807 6.0395e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      5541 days (15.17 yr)  
   first obs. used      2006-02-05  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:42:09  

Additional Information
 Jupiter MOID = 2.21305 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.927376245474859E-15 -8.325384398689683E-15 1.078485867435708E-13 -7.034206644887822E-15 1.969463271198112E-14 1.808520974474555E-15
q -8.325384398689683E-15 2.446166086809118E-14 1.164036196137038E-12 1.898464117711107E-14 1.670256811722368E-13 -4.181855275013227E-15
tp 1.078485867435708E-13 1.164036196137038E-12 3.424513017041533E-8 -1.691240683691715E-11 6.684226805834236E-9 5.161050820437254E-12
node -7.034206644887822E-15 1.898464117711107E-14 -1.691240683691715E-11 1.328599873502676E-9 -1.32153861366097E-9 4.605331487609335E-11
peri 1.969463271198112E-14 1.670256811722368E-13 6.684226805834236E-9 -1.32153861366097E-9 2.630841357907113E-9 -4.476046280212232E-11
i 1.808520974474555E-15 -4.181855275013227E-15 5.161050820437254E-12 4.605331487609335E-11 -4.476046280212232E-11 3.64761606809879E-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 16.18   n/a MPCxxxxx  

295461 (2008 PU12)          Discovered 2008-Aug-09 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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