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344221 (2001 RY89)
Classification: Main-belt Asteroid          SPK-ID: 2344221
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2284932843681419 5.9468e-08  
a 2.346021130789604 1.0441e-08 au
q 1.809971057418425 1.4056e-07 au
i 3.070580184562993 8.2362e-06 deg
node 52.09726094147213 0.00011354 deg
peri 273.8912341768275 0.00011564 deg
M 94.32674467665289 1.7647e-05 deg
tp 2458656.602790292807
(2019-Jun-22.10279029)
6.4635e-05 TDB
period 1312.490915688646
3.59
8.7616e-06
2.399e-08
d
yr
n .2742876127345329 1.831e-09 deg/d
Q 2.882071204160783 1.2826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6636 days (18.17 yr)  
   first obs. used      2001-08-27  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62554  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:23:26  

Additional Information
 Earth MOID = .801483 au 
 Jupiter MOID = 2.46629 au 
 T_jup = 3.523 
[ 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 17.5   n/a MPO446551  

344221 (2001 RY89)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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