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66274 (1999 JS8)
Classification: Main-belt Asteroid          SPK-ID: 2066274
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2347565938802998 4.2375e-08  
a 2.649086993651108 1.1257e-08 au
q 2.02719635412897 1.1607e-07 au
i 10.20619783965836 3.5958e-06 deg
node 250.1205793499391 2.3555e-05 deg
peri 286.4335745723968 2.5284e-05 deg
M 45.83544084011493 7.4635e-06 deg
tp 2458999.987399563428
(2020-May-30.48739956)
3.2512e-05 TDB
period 1574.862919044744
4.31
1.0038e-05
2.748e-08
d
yr
n .228591324137826 1.457e-09 deg/d
Q 3.270977633173245 1.3899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7699 days (21.08 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-06-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53193  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:45  

Additional Information
 Earth MOID = 1.0579 au 
 Jupiter MOID = 1.8493 au 
 T_jup = 3.329 
[ 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 14.78   n/a E2021B10  

66274 (1999 JS8)          Discovered 1999-May-14 by Broughton, J. at Reedy Creek
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JS8 = 2001 VL58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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