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(2009 PY)
Classification: Aten [NEO]          SPK-ID: 3465683
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .294176678069808 3.4567e-07  
a .9447606246012006 7.4669e-09 au
q .6668340824848624 3.2888e-07 au
i 26.56368334275879 4.5958e-05 deg
node 325.6584902010311 2.3277e-05 deg
peri 195.9976120188436 0.00012665 deg
M 262.2977195456874 0.00017321 deg
tp 2459291.529740285425
(2021-Mar-18.02974029)
0.0001608 TDB
period 335.4139366079306
0.92
3.9764e-06
1.089e-08
d
yr
n 1.073300661387867 1.2724e-08 deg/d
Q 1.222687166717539 9.6635e-09 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      4015 days (10.99 yr)  
   first obs. used      2009-08-13  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .53871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:48:08  

Additional Information
 Earth MOID = .178687 au 
 Jupiter MOID = 3.78041 au 
 T_jup = 6.236 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.2   n/a E2020-QF4  

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