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190728 (2001 OL98)
Classification: Main-belt Asteroid          SPK-ID: 2190728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2603212162477224 6.2501e-08  
a 2.253355357303823 9.8622e-09 au
q 1.666759150052171 1.3955e-07 au
i 2.517826761229806 1.0337e-05 deg
node 1.032239470855144 0.00010822 deg
peri 291.6459393659662 0.00011048 deg
M 275.6520433450477 2.0579e-05 deg
tp 2459489.977638613079
(2021-Oct-02.47763861)
7.1118e-05 TDB
period 1235.50058630365
3.38
8.1111e-06
2.221e-08
d
yr
n .2913798698202499 1.9129e-09 deg/d
Q 2.839951564555475 1.243e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      9897 days (27.10 yr)  
   first obs. used      1991-10-06  
   last obs. used      2018-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65538  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 21:24:07  

Additional Information
 Earth MOID = .650831 au 
 Jupiter MOID = 2.36836 au 
 T_jup = 3.579 
[ 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 17.8   n/a MPO533214  

190728 (2001 OL98)          Discovered 2001-Jul-25 by NEAT at Haleakala
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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