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190640 (2000 WO172)
Classification: Main-belt Asteroid          SPK-ID: 2190640
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .296148440226664 5.6178e-08  
a 2.621662688541454 1.3322e-08 au
q 1.84526137252946 1.4382e-07 au
i 14.44327223682988 5.0167e-06 deg
node 170.3025946309023 2.5477e-05 deg
peri 198.0836051210176 2.7872e-05 deg
M 293.2434222285789 1.4584e-05 deg
tp 2459488.011493567554
(2021-Sep-30.51149357)		 6.4484e-05 TDB
period 1550.47099686153
4.24		 1.1818e-05
3.236e-08		 d
yr
n .2321875099429229 1.7698e-09 deg/d
Q 3.398064004553448 1.7267e-08 au
   Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      7228 days (19.79 yr)  
   first obs. used      2000-10-06  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:31  

Additional Information
 Earth MOID = .846674 au 
 Jupiter MOID = 2.07236 au 
 T_jup = 3.298 
[ 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 15.67   n/a E2021B55  

190640 (2000 WO172)          Discovered 2000-Nov-25 by LINEAR at Socorro
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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