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213813 (2003 PW12)
Classification: Main-belt Asteroid          SPK-ID: 2213813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825767136623297 5.273e-08  
a 2.327654605509392 1.4382e-08 au
q 1.902679077094501 1.2205e-07 au
i 3.383008112467233 4.2635e-06 deg
node 126.6087645454546 8.6681e-05 deg
peri 255.0590738528404 8.7735e-05 deg
M 277.1036748707322 1.7901e-05 deg
tp 2459499.181971867590
(2021-Oct-11.68197187)
6.636e-05 TDB
period 1297.108281997519
3.55
1.2022e-05
3.291e-08
d
yr
n .2775404374456754 2.5723e-09 deg/d
Q 2.752630133924284 1.7008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60526  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:44:12  

Additional Information
 Earth MOID = .907537 au 
 Jupiter MOID = 2.70874 au 
 T_jup = 3.548 
[ show covariance matrix ]

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 16.85   n/a MPCxxxxx  

213813 (2003 PW12)          Discovered 2003-Aug-04 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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