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344884 (2004 PW71)
Classification: Main-belt Asteroid          SPK-ID: 2344884
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989448418265057 1.0115e-07  
a 2.407606193163318 1.7218e-08 au
q 1.928625359883926 2.4842e-07 au
i 1.744970397017185 1.1286e-05 deg
node 344.2662435788174 0.00018716 deg
peri 335.6488831787444 0.00018813 deg
M 82.29760712156265 1.5972e-05 deg
tp 2458688.567007436373
(2019-Jul-24.06700744)
6.1143e-05 TDB
period 1364.509628536736
3.74
1.4638e-05
4.008e-08
d
yr
n .2638310441136678 2.8303e-09 deg/d
Q 2.88658702644271 2.0644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5538 days (15.16 yr)  
   first obs. used      2004-07-19  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:14  

Additional Information
 Earth MOID = .915883 au 
 Jupiter MOID = 2.42376 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457352.5 (2015-Nov-26.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1996596015000008 1.0113e-07  
q 1.926746486444112 2.4866e-07 au
tp 2457325.141234351811
(2015-Oct-29.64123435)
6.5615e-05 TDB
node 344.3515347573202 0.00018698 deg
peri 335.7878553951551 0.00018794 deg
i 1.746349948196532 1.1291e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5538 days (15.16 yr)  
   first obs. used      2004-07-19  
   last obs. used      2019-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:31:14  

Additional Information
 Jupiter MOID = 2.42376 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.022828409343001E-14 -2.511303632919344E-14 3.366600241836333E-12 -1.10006696151798E-13 9.114755069298353E-13 -7.064441912925772E-15
q -2.511303632919344E-14 6.18298020522727E-14 -8.498407393164484E-12 2.681208916727472E-13 -2.295786293713615E-12 1.778844658327286E-14
tp 3.366600241836333E-12 -8.498407393164484E-12 4.305364923842627E-9 -3.977798226742219E-11 1.259138824785858E-9 -4.882433093568504E-12
node -1.10006696151798E-13 2.681208916727472E-13 -3.977798226742219E-11 3.496267786285278E-8 -3.49548015602811E-8 -1.622565775571619E-10
peri 9.114755069298353E-13 -2.295786293713615E-12 1.259138824785858E-9 -3.49548015602811E-8 3.532280423785068E-8 1.609656620550598E-10
i -7.064441912925772E-15 1.778844658327286E-14 -4.882433093568504E-12 -1.622565775571619E-10 1.609656620550598E-10 1.274839092744053E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO494804  

344884 (2004 PW71)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2004 PW71 = 2008 TA66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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