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447061 (2004 RY261)
Classification: Main-belt Asteroid          SPK-ID: 2447061
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1783058622382424 9.0442e-08  
a 2.355569972912602 2.3116e-08 au
q 1.935558037829907 2.0443e-07 au
i 1.553967951504855 1.057e-05 deg
node 352.5173737807737 0.00034341 deg
peri 61.13851201155883 0.00034548 deg
M 79.0895168775464 3.2702e-05 deg
tp 2458710.392562376141
(2019-Aug-14.89256238)
0.00011918 TDB
period 1320.512271004142
3.62
1.9438e-05
5.322e-08
d
yr
n .2726214726700338 4.013e-09 deg/d
Q 2.775581907995297 2.7237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      5620 days (15.39 yr)  
   first obs. used      2004-09-10  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:07:11  

Additional Information
 Earth MOID = .947366 au 
 Jupiter MOID = 2.58009 au 
 T_jup = 3.533 
[ 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 18.3   n/a E2015T96  

447061 (2004 RY261)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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