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344485 (2002 PW197)
Classification: Main-belt Asteroid          SPK-ID: 2344485
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 .05649445611917944 7.2206e-08  
a 2.776122038324597 3.3023e-08 au
q 2.619286533648981 2.0231e-07 au
i 5.754452144051861 6.3752e-06 deg
node 277.5416094830712 7.5664e-05 deg
peri 77.36197723363416 9.5397e-05 deg
M 265.370752381472 5.9688e-05 deg
tp 2459444.598333929088
(2021-Aug-18.09833393)
0.00028353 TDB
period 1689.492458599755
4.63
3.0146e-05
8.254e-08
d
yr
n .2130817442644087 3.802e-09 deg/d
Q 2.932957543000213 3.4889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6137 days (16.80 yr)  
   first obs. used      2002-07-04  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:03:47  

Additional Information
 Earth MOID = 1.62125 au 
 Jupiter MOID = 2.34137 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457334.5 (2015-Nov-08.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0562274337006662 7.2103e-08  
q 2.619027553308838 2.0142e-07 au
tp 2457762.326104383951
(2017-Jan-08.82610438)
0.00027364 TDB
node 277.5569637532566 7.5683e-05 deg
peri 78.79932715169632 9.567e-05 deg
i 5.754156703031594 6.3747e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      6137 days (16.80 yr)  
   first obs. used      2002-07-04  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:03:47  

Additional Information
 Jupiter MOID = 2.34137 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.198857147111901E-15 -1.434528726524256E-14 -1.046429622246194E-12 5.016357143885568E-14 -1.762156690677617E-13 8.142806800380757E-16
q -1.434528726524256E-14 4.057177345653546E-14 5.771025424200694E-12 -1.46756531551268E-13 1.055769107780636E-12 -6.893481091106312E-16
tp -1.046429622246194E-12 5.771025424200694E-12 7.488077112152756E-8 -1.030403826979885E-10 1.608506522806964E-8 7.513050606717786E-12
node 5.016357143885568E-14 -1.46756531551268E-13 -1.030403826979885E-10 5.727991728863441E-9 -5.720136128262839E-9 6.529833624992424E-11
peri -1.762156690677617E-13 1.055769107780636E-12 1.608506522806964E-8 -5.720136128262839E-9 9.152770977890922E-9 -6.352873362219071E-11
i 8.142806800380757E-16 -6.893481091106312E-16 7.513050606717786E-12 6.529833624992424E-11 -6.352873362219071E-11 4.063704703900227E-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 16.6   n/a MPO427768  

344485 (2002 PW197)          Discovered 2008-Dec-21 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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