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91567 (1999 RU239)
Classification: Main-belt Asteroid          SPK-ID: 2091567
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05704591957078474 3.195e-08  
a 2.973646891341378 1.7369e-08 au
q 2.804012469946004 9.1517e-08 au
i 8.423583926708769 3.3217e-06 deg
node 153.014174114247 2.462e-05 deg
peri 213.6688507741973 4.2253e-05 deg
M 90.20014824964322 3.2632e-05 deg
tp 2458927.214352353138
(2020-Mar-18.71435235)
0.00017083 TDB
period 1872.977333532694
5.13
1.641e-05
4.493e-08
d
yr
n .1922073447204992 1.684e-09 deg/d
Q 3.143281312736752 1.836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1299  
   data-arc span      7879 days (21.57 yr)  
   first obs. used      1999-09-08  
   last obs. used      2021-04-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51279  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:40:52  

Additional Information
 Earth MOID = 1.80425 au 
 Jupiter MOID = 2.15991 au 
 T_jup = 3.243 
[ 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 14.26   n/a MPCxxxxx  

91567 (1999 RU239)          Discovered 1999-Sep-08 by LONEOS at Anderson Mesa
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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