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201730 (2003 US224)
Classification: Main-belt Asteroid          SPK-ID: 2201730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843625194420087 5.9267e-08  
a 2.757240958539557 2.6867e-08 au
q 2.248909068714505 1.725e-07 au
i 3.339810570100052 5.1452e-06 deg
node 334.1514818252131 0.00010254 deg
peri 42.4842132681416 0.00010366 deg
M 237.7147619259433 2.0281e-05 deg
tp 2459568.544084334924
(2021-Dec-20.04408433)
0.00010097 TDB
period 1672.285826002388
4.58
2.4443e-05
6.692e-08
d
yr
n .2152742039682193 3.1465e-09 deg/d
Q 3.265572848364608 3.1821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7476 days (20.47 yr)  
   first obs. used      2000-01-03  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52525  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:03:59  

Additional Information
 Earth MOID = 1.25165 au 
 Jupiter MOID = 2.21237 au 
 T_jup = 3.316 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO254313  

201730 (2003 US224)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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