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344318 (2001 US205)
Classification: Main-belt Asteroid          SPK-ID: 2344318
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358050883007289 6.0163e-08  
a 3.061886232241418 3.239e-08 au
q 2.646066502105087 1.8506e-07 au
i 9.371172617808744 7.8256e-06 deg
node 28.05139886790548 2.9592e-05 deg
peri 37.57129966537282 3.8276e-05 deg
M 151.8857530429435 2.3213e-05 deg
tp 2458174.848945698983
(2018-Feb-25.34894570)
0.00012321 TDB
period 1956.960238820604
5.36
3.1052e-05
8.502e-08
d
yr
n .1839587707806267 2.919e-09 deg/d
Q 3.47770596237775 3.6789e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      6766 days (18.52 yr)  
   first obs. used      2001-10-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59382  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:24:57  

Additional Information
 Earth MOID = 1.66616 au 
 Jupiter MOID = 1.92449 au 
 T_jup = 3.199 
[ 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 15.8   n/a MPO471577  

344318 (2001 US205)          Discovered 2001-Oct-19 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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