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JPL Small-Body Database Browser
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215265 (2001 OB55)
Classification: Main-belt Asteroid          SPK-ID: 2215265
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2068553712220647 5.3442e-08  
a 2.68986108761101 2.12e-08 au
q 2.133448873797448 1.5325e-07 au
i 13.96655102579242 4.694e-06 deg
node 96.48447607185952 2.267e-05 deg
peri 294.9310063069486 2.5993e-05 deg
M 305.518913598728 1.1288e-05 deg
tp 2458844.357694648084
(2019-Dec-26.85769465)		 5.0632e-05 TDB
period 1611.362325389693
4.41		 1.905e-05
5.216e-08		 d
yr
n .2234134398748198 2.6413e-09 deg/d
Q 3.246273301424571 2.5586e-08 au
   Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2001-07-22  
   last obs. used      2019-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53279  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:10:33  

Additional Information
 Earth MOID = 1.18221 au 
 Jupiter MOID = 2.2846 au 
 T_jup = 3.300 
[ 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 15.8   n/a MPO450015  

215265 (2001 OB55)          Discovered 2001-Jul-22 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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