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JPL Small-Body Database Browser
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109788 (2001 RT89)
Classification: Main-belt Asteroid          SPK-ID: 2109788
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1141113601203189 4.06e-08  
a 2.527578795414812 1.5307e-08 au
q 2.23915334125875 1.0255e-07 au
i 6.380699293240145 9.7794e-06 deg
node 147.7004298091819 7.1332e-05 deg
peri 121.4329079371143 0.00011025 deg
M 214.6250862444074 8.2312e-05 deg
tp 2459193.210268247713
(2020-Dec-09.71026825)
0.00033578 TDB
period 1467.76146624519
4.02
1.3333e-05
3.65e-08
d
yr
n .2452714615277016 2.2281e-09 deg/d
Q 2.816004249570874 1.7054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      6842 days (18.73 yr)  
   first obs. used      2000-04-07  
   last obs. used      2018-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6042  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:02:13  

Additional Information
 Earth MOID = 1.23053 au 
 Jupiter MOID = 2.28447 au 
 T_jup = 3.435 
[ 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 15.8   n/a MPO385476  

109788 (2001 RT89)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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