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134676 (1999 WN11)
Classification: Main-belt Asteroid          SPK-ID: 2134676
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2390972721070685 3.45e-08  
a 2.344583218567968 8.9771e-09 au
q 1.783999766780356 8.2442e-08 au
i 3.601228348836238 4.9352e-06 deg
node .8484489048113493 5.767e-05 deg
peri 48.94758234071026 5.868e-05 deg
M 269.1028207232066 1.28e-05 deg
tp 2459331.589044712324
(2021-Apr-27.08904471)
4.7944e-05 TDB
period 1311.284431978708
3.59
7.5311e-06
2.062e-08
d
yr
n .2745399786808768 1.5768e-09 deg/d
Q 2.90516667035558 1.1124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54398  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:57:39  

Additional Information
 Earth MOID = .796727 au 
 Jupiter MOID = 2.49409 au 
 T_jup = 3.520 
[ 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 15.7   n/a MPO436658  

134676 (1999 WN11)          Discovered 1999-Nov-29 by Shiozawa, H., Urata, T. at Nachi-Katsuura
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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