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201886 (2004 AW12)
Classification: Main-belt Asteroid          SPK-ID: 2201886
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572898007529944 5.3514e-08  
a 3.16151832448965 3.0619e-08 au
q 2.664243737153732 1.7286e-07 au
i 2.390958530397518 8.7198e-06 deg
node 69.99255602790363 0.00017528 deg
peri 74.34004554565533 0.00018139 deg
M 307.3539527160301 4.1622e-05 deg
tp 2459300.765372298808
(2021-Mar-27.26537230)
0.00023917 TDB
period 2053.250711197924
5.62
2.9828e-05
8.166e-08
d
yr
n .1753317303321258 2.5471e-09 deg/d
Q 3.658792911825568 3.5435e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      7523 days (20.60 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:03:33  

Additional Information
 Earth MOID = 1.67787 au 
 Jupiter MOID = 1.35907 au 
 T_jup = 3.184 
[ 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 16.2   n/a MPO459901  

201886 (2004 AW12)          Discovered 2004-Jan-13 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2004 AW12 = 1999 FA90 = 2005 JH46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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