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JPL Small-Body Database Browser
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109681 (2001 RO26)
Classification: Main-belt Asteroid          SPK-ID: 2109681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07544688453641553 5.6965e-08  
a 3.094214813427766 2.6657e-08 au
q 2.860765945668215 1.7666e-07 au
i 2.663656949942652 5.7309e-06 deg
node 127.1593195593269 0.00011689 deg
peri 214.7340613980946 0.00012086 deg
M 87.65940891629987 3.1145e-05 deg
tp 2458116.416638782497
(2017-Dec-28.91663878)
0.00017127 TDB
period 1988.035422469023
5.44
2.569e-05
7.034e-08
d
yr
n .1810832925466193 2.3401e-09 deg/d
Q 3.327663681187318 2.8668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      6348 days (17.38 yr)  
   first obs. used      2001-08-16  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:27:21  

Additional Information
 Earth MOID = 1.85189 au 
 Jupiter MOID = 1.98766 au 
 T_jup = 3.218 
[ 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 14.9   n/a MPO432618  

109681 (2001 RO26)          Discovered 2001-Sep-07 by LINEAR at Socorro
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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