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JPL Small-Body Database Browser
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146345 (2001 OJ73)
Classification: Main-belt Asteroid          SPK-ID: 2146345
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2500461010403545 3.3537e-08  
a 2.337223022015722 1.1316e-08 au
q 1.752809518098936 7.8759e-08 au
i 25.14907491477318 7.8197e-06 deg
node 344.300513692372 9.2648e-06 deg
peri 271.3586720546427 1.9413e-05 deg
M 44.92866478886501 1.9136e-05 deg
tp 2458437.619283303673
(2018-Nov-15.11928330)
6.886e-05 TDB
period 1305.114636418263
3.57
9.4784e-06
2.595e-08
d
yr
n .2758378382668197 2.0033e-09 deg/d
Q 2.921636525932508 1.4146e-08 au
  Orbit Determination Parameters
   # obs. used (total)      975  
   data-arc span      7226 days (19.78 yr)  
   first obs. used      2000-01-29  
   last obs. used      2019-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:58:29  

Additional Information
 Earth MOID = .929842 au 
 Jupiter MOID = 2.59215 au 
 T_jup = 3.401 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO348315  
diameter diameter 2.357 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.983 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.380   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

146345 (2001 OJ73)          Discovered 2001-Jul-21 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 OJ73 = 2000 EV156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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