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308380 (2005 RY45)
Classification: Main-belt Asteroid          SPK-ID: 2308380
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04633493040680781 8.5606e-08  
a 3.122708047155538 5.3076e-08 au
q 2.978017587109808 2.7859e-07 au
i 10.6127872512262 8.8693e-06 deg
node 63.5872226419872 4.6675e-05 deg
peri 172.9812973930298 0.0001024 deg
M 14.69631211878578 9.1377e-05 deg
tp 2458918.218657950552
(2020-Mar-09.71865795)
0.00051129 TDB
period 2015.558930593023
5.52
5.1387e-05
1.407e-07
d
yr
n .1786105057687794 4.5537e-09 deg/d
Q 3.267398507201269 5.5535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      149  
   data-arc span      5836 days (15.98 yr)  
   first obs. used      2003-04-11  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:19:31  

Additional Information
 Earth MOID = 1.96603 au 
 Jupiter MOID = 1.73284 au 
 T_jup = 3.188 
[ 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 MPO471233  

308380 (2005 RY45)          Discovered 2005-Sep-14 by Becker, A. C. at Apache Point
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 RY45 = 2008 EW8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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