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277195 (2005 QN49)
Classification: Main-belt Asteroid          SPK-ID: 2277195
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2083297585035488 1.1138e-07  
a 2.219529977368942 1.6472e-08 au
q 1.757135833192283 2.4247e-07 au
i 7.209330117676442 6.777e-06 deg
node 127.8173724082715 5.7223e-05 deg
peri 206.9612562394051 5.9229e-05 deg
M 232.6168528704765 2.1378e-05 deg
tp 2459627.865463760743
(2022-Feb-17.36546376)
7.5043e-05 TDB
period 1207.785883931967
3.31
1.3445e-05
3.681e-08
d
yr
n .2980660767685198 3.318e-09 deg/d
Q 2.681924121545601 1.9903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      5273 days (14.44 yr)  
   first obs. used      2005-08-26  
   last obs. used      2020-02-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:59:56  

Additional Information
 Earth MOID = .748206 au 
 Jupiter MOID = 2.68925 au 
 T_jup = 3.612 
[ 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 17.62   n/a E2021B55  

277195 (2005 QN49)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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