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227415 (2005 US508)
Classification: Main-belt Asteroid          SPK-ID: 2227415
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0868410723570875 3.9806e-08  
a 2.602996716526415 2.1052e-08 au
q 2.376949690321283 1.0983e-07 au
i 2.021917173706886 8.0389e-06 deg
node 6.534509186856978 0.00012274 deg
peri 280.8652659323647 0.00013248 deg
M 329.206018133442 4.7378e-05 deg
tp 2459331.711592414447
(2021-Apr-27.21159241)
0.00020184 TDB
period 1533.941712179123
4.20
1.8609e-05
5.095e-08
d
yr
n .2346894912249193 2.8471e-09 deg/d
Q 2.829043742731547 2.288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      8640 days (23.66 yr)  
   first obs. used      1996-09-20  
   last obs. used      2020-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:27:00  

Additional Information
 Earth MOID = 1.3597 au 
 Jupiter MOID = 2.28686 au 
 T_jup = 3.407 
[ 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 17.20   n/a E2021B55  

227415 (2005 US508)          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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