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91564 (1999 RN235)
Classification: Main-belt Asteroid          SPK-ID: 2091564
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .007106899074271069 5.3147e-08  
a 2.927234621356278 2.2297e-08 au
q 2.906431060335587 1.6082e-07 au
i 2.331150195401383 8.2654e-06 deg
node 43.47201968499107 0.00019793 deg
peri 21.57790923812964 0.00077056 deg
M 62.05115873221368 0.00074317 deg
tp 2459081.194082437456
(2020-Aug-19.69408244)
0.0037768 TDB
period 1829.299124169094
5.01
2.0901e-05
5.722e-08
d
yr
n .1967966830812973 2.2485e-09 deg/d
Q 2.948038182376969 2.2455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      7793 days (21.34 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:46:32  

Additional Information
 Earth MOID = 1.91473 au 
 Jupiter MOID = 2.03772 au 
 T_jup = 3.276 
[ 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 14.75   n/a MPCxxxxx  

91564 (1999 RN235)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 RN235 = 1999 TO311 = 2002 CY247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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