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344518 (2002 RU277)
Classification: Main-belt Asteroid          SPK-ID: 2344518
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806770726883969 9.5906e-08  
a 2.187169533192001 1.5459e-08 au
q 1.791998144461622 2.0899e-07 au
i 5.721419739188961 6.6903e-06 deg
node 273.3206613473702 0.00011788 deg
peri 114.5895741424566 0.00014228 deg
M 142.9620368633601 5.2629e-05 deg
tp 2458531.319099199252
(2019-Feb-16.81909920)
0.00017386 TDB
period 1181.468367365981
3.23
1.2526e-05
3.429e-08
d
yr
n .304705576504431 3.2304e-09 deg/d
Q 2.582340921922379 1.8252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      5822 days (15.94 yr)  
   first obs. used      2002-08-27  
   last obs. used      2018-08-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61082  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:06:06  

Additional Information
 Earth MOID = .806219 au 
 Jupiter MOID = 2.87937 au 
 T_jup = 3.648 
[ 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 18.2   n/a MPO348952  

344518 (2002 RU277)          Discovered 2002-Sep-04 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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