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JPL Small-Body Database Browser
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193794 (2001 OB87)
Classification: Main-belt Asteroid          SPK-ID: 2193794
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2410178063103786 4.9186e-08  
a 2.342544594033594 1.542e-08 au
q 1.77794963479538 1.2048e-07 au
i 6.92061154380621 5.6191e-06 deg
node 135.0722850066981 5.5478e-05 deg
peri 202.4238551143638 5.811e-05 deg
M 336.7825367353751 2.2041e-05 deg
tp 2458684.958330779335
(2019-Jul-20.45833078)
8.0823e-05 TDB
period 1309.574553172089
3.59
1.2931e-05
3.54e-08
d
yr
n .2748984386784225 2.7143e-09 deg/d
Q 2.907139553271807 1.9137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6116 days (16.74 yr)  
   first obs. used      2001-07-22  
   last obs. used      2018-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67826  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:39:31  

Additional Information
 Earth MOID = .769636 au 
 Jupiter MOID = 2.48022 au 
 T_jup = 3.514 
[ 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 16.8   n/a MPO291489  

193794 (2001 OB87)          Discovered 2001-Jul-29 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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