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227369 (2005 US180)
Classification: Main-belt Asteroid          SPK-ID: 2227369
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812147224612813 5.6513e-08  
a 2.547146715740974 2.0744e-08 au
q 2.085566230579809 1.519e-07 au
i 3.330805034564253 5.0501e-06 deg
node 99.03758137010412 0.00012543 deg
peri 242.3281411607183 0.00012695 deg
M 312.8135856185875 2.078e-05 deg
tp 2459395.122857624898
(2021-Jun-29.62285763)
8.5877e-05 TDB
period 1484.839008504168
4.07
1.8139e-05
4.966e-08
d
yr
n .2424505269178409 2.9618e-09 deg/d
Q 3.008727200902139 2.4503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      296  
   data-arc span      6788 days (18.58 yr)  
   first obs. used      2001-11-21  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58121  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:27:18  

Additional Information
 Earth MOID = 1.07784 au 
 Jupiter MOID = 2.38918 au 
 T_jup = 3.417 
[ 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 16.82   n/a E2021B55  

227369 (2005 US180)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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