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109790 (2001 RY90)
Classification: Main-belt Asteroid          SPK-ID: 2109790
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09174392719897984 5.1018e-08  
a 3.050408123746781 2.0949e-08 au
q 2.77055170291458 1.5546e-07 au
i 3.21326633528656 4.5857e-06 deg
node 60.21147979821608 9.7734e-05 deg
peri 263.1643943170361 0.00010112 deg
M 210.3069236633636 2.7395e-05 deg
tp 2459809.660293121194
(2022-Aug-18.16029312)
0.00015075 TDB
period 1945.966457851041
5.33
2.0046e-05
5.488e-08
d
yr
n .1849980499651332 1.9057e-09 deg/d
Q 3.330264544578982 2.2871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      743  
   data-arc span      6782 days (18.57 yr)  
   first obs. used      2001-07-08  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58284  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:33:02  

Additional Information
 Earth MOID = 1.76061 au 
 Jupiter MOID = 1.94195 au 
 T_jup = 3.228 
[ 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 14.6   n/a MPO432619  

109790 (2001 RY90)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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