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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2070735226271674 5.3409e-08  
a 2.690362930313793 2.1214e-08 au
q 2.133260001188168 1.5327e-07 au
i 13.96664103548803 4.694e-06 deg
node 96.48468850342852 2.2668e-05 deg
peri 294.9563361153924 2.5985e-05 deg
M 34.85954325129268 1.1334e-05 deg
tp 2458844.424791398729
(2019-Dec-26.92479140)
5.0593e-05 TDB
period 1611.81329001992
4.41
1.9064e-05
5.219e-08
d
yr
n .2233509316674954 2.6418e-09 deg/d
Q 3.247465859439419 2.5607e-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 = 1.18255 au 
 Jupiter MOID = 2.28475 au 
 T_jup = 3.299 
[ 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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