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80022 (1999 JS)
Classification: Inner Main-belt Asteroid          SPK-ID: 2080022
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0679023410979236 5.9135e-08  
a 1.92842908712459 7.5814e-09 au
q 1.797484237467499 1.1648e-07 au
i 24.07772222650254 6.0219e-06 deg
node 72.02214646720151 1.1197e-05 deg
peri 187.2544899928861 4.4942e-05 deg
M 281.0916274749435 4.7821e-05 deg
tp 2459214.899872379050
(2020-Dec-31.39987238)
0.00013056 TDB
period 978.1465716068222
2.68
5.7682e-06
1.579e-08
d
yr
n .3680430013761847 2.1704e-09 deg/d
Q 2.059373936781682 8.0962e-09 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      10570 days (28.94 yr)  
   first obs. used      1991-05-18  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47261  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:45:39  

Additional Information
 Earth MOID = .783659 au 
 Jupiter MOID = 2.98578 au 
 T_jup = 3.807 
[ 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 15.8   n/a MPO449502  

80022 (1999 JS)          Discovered 1999-May-04 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JS = 1991 KM = 2000 WA107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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