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74589 (1999 OX1)
Classification: Main-belt Asteroid          SPK-ID: 2074589
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2261446255400728 4.3444e-08  
a 2.396671470751163 1.2956e-08 au
q 1.854677098455566 1.0539e-07 au
i 7.483527272424674 4.96e-06 deg
node 320.5914458669615 3.0955e-05 deg
peri 354.730465758535 3.2764e-05 deg
M 235.4487225627367 1.4875e-05 deg
tp 2459469.374778029148
(2021-Sep-11.87477803)
5.8721e-05 TDB
period 1355.224318558398
3.71
1.0989e-05
3.009e-08
d
yr
n .2656386806746098 2.154e-09 deg/d
Q 2.93866584304676 1.5886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      7582 days (20.76 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53616  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:54  

Additional Information
 Earth MOID = .841228 au 
 Jupiter MOID = 2.36488 au 
 T_jup = 3.482 
[ 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 15.5   n/a MPO468693  
diameter diameter 1.797 km 0.413 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74589 (1999 OX1)          Discovered 1999-Jul-16 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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