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JPL Small-Body Database Browser
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193787 (2001 OJ51)
Classification: Main-belt Asteroid          SPK-ID: 2193787
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 .1612687646819936 5.0966e-08  
a 2.23214142443447 1.3467e-08 au
q 1.872166734320417 1.1905e-07 au
i 3.796415938731062 5.1391e-06 deg
node 88.72839639019483 9.5879e-05 deg
peri 183.1871330052927 9.8741e-05 deg
M 139.9064173957934 2.6707e-05 deg
tp 2458127.113223057533
(2018-Jan-08.61322306)
8.7932e-05 TDB
period 1218.094515401495
3.33
1.1023e-05
3.018e-08
d
yr
n .2955435686214716 2.6746e-09 deg/d
Q 2.592116114548522 1.5639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      7331 days (20.07 yr)  
   first obs. used      1998-09-19  
   last obs. used      2018-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59985  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:38:42  

Additional Information
 Earth MOID = .855462 au 
 Jupiter MOID = 2.50183 au 
 T_jup = 3.621 
[ 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 17.3   n/a MPO454346  
diameter diameter 2.003 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193787 (2001 OJ51)          Discovered 2001-Jul-21 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 OJ51 = 2004 HV25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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