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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1989448646962263 1.0084e-07  
a 2.407606194224115 1.6796e-08 au
q 1.928625305672402 2.4749e-07 au
i 1.744970861585496 1.1193e-05 deg
node 344.2662853726886 0.00016884 deg
peri 335.6488478331911 0.00016987 deg
M 82.29760195474989 1.5336e-05 deg
tp 2458688.567026814009
(2019-Jul-24.06702681)
5.896e-05 TDB
period 1364.509629438545
3.74
1.4279e-05
3.909e-08
d
yr
n .263831043939301 2.7609e-09 deg/d
Q 2.886587082775828 2.0138e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5575 days (15.26 yr)  
   first obs. used      2004-07-19  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:25  

Additional Information
 Earth MOID = .915883 au 
 Jupiter MOID = 2.42376 au 
 T_jup = 3.494 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457560.5 (2016-Jun-21.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1996752797668934 1.0081e-07  
q 1.926615192570182 2.4769e-07 au
tp 2457325.074984283069
(2015-Oct-29.57498428)
6.4329e-05 TDB
node 344.3498979345974 0.00016869 deg
peri 335.7608480340858 0.00016971 deg
i 1.746236437521764 1.1197e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      5575 days (15.26 yr)  
   first obs. used      2004-07-19  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 17:01:25  

Additional Information
 Jupiter MOID = 2.42376 au 
 T_jup = 3.494 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.016218544585322E-14 -2.493579408241868E-14 3.432588890854431E-12 -3.962973985746119E-14 8.530989686402411E-13 -8.259047052915444E-15
q -2.493579408241868E-14 6.135005306748174E-14 -8.695991872052263E-12 9.484804842589467E-14 -2.158842560429779E-12 2.074107851173404E-14
tp 3.432588890854431E-12 -8.695991872052263E-12 4.138266704209289E-9 -1.242835348050026E-11 1.200468445594659E-9 -5.170723436252193E-12
node -3.962973985746119E-14 9.484804842589467E-14 -1.242835348050026E-11 2.845482057663963E-8 -2.844310180251113E-8 -7.917354491495802E-11
peri 8.530989686402411E-13 -2.158842560429779E-12 1.200468445594659E-9 -2.844310180251113E-8 2.880139770568581E-8 7.783509679911488E-11
i -8.259047052915444E-15 2.074107851173404E-14 -5.170723436252193E-12 -7.917354491495802E-11 7.783509679911488E-11 1.253838438885843E-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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