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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .249850226156731 3.3302e-08  
a 2.337569089899954 1.1225e-08 au
q 1.753526924131466 7.8101e-08 au
i 25.14677658287606 7.6427e-06 deg
node 344.2938276581502 9.2269e-06 deg
peri 271.3994060038957 1.9326e-05 deg
M 155.2304699078354 1.9488e-05 deg
tp 2458437.615121144916
(2018-Nov-15.11512114)
6.8819e-05 TDB
period 1305.404515673646
3.57
9.4028e-06
2.574e-08
d
yr
n .275776585477969 1.9864e-09 deg/d
Q 2.921611255668441 1.403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      7281 days (19.93 yr)  
   first obs. used      2000-01-29  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 19:23:11  

Additional Information
 Earth MOID = .930776 au 
 Jupiter MOID = 2.59121 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-August); 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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