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19343 (1997 AR7)
Classification: Main-belt Asteroid          SPK-ID: 2019343
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1534373985381822 2.6138e-08  
a 2.388005440251482 7.7678e-09 au
q 2.021596097804268 6.2004e-08 au
i 2.104038603481936 4.3285e-06 deg
node 343.1666489015147 0.00010564 deg
peri 117.4110227521827 0.00010707 deg
M 158.2772189411549 1.8036e-05 deg
tp 2458607.892280239453
(2019-May-04.39228024)
6.614e-05 TDB
period 1347.880513323355
3.69
6.5767e-06
1.801e-08
d
yr
n .267085989033537 1.3032e-09 deg/d
Q 2.754414782698696 8.9597e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1378  
   data-arc span      8590 days (23.52 yr)  
   first obs. used      1996-12-17  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:18  

Additional Information
 Earth MOID = 1.03932 au 
 Jupiter MOID = 2.38707 au 
 T_jup = 3.517 
[ 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 15.21   n/a E2021B10  

19343 (1997 AR7)          Discovered 1997-Jan-05 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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