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11415 (1999 JG81)
Classification: Main-belt Asteroid          SPK-ID: 2011415
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2006360158590698 1.7996e-08  
a 2.258826486727333 5.6623e-09 au
q 1.805624539913421 4.1849e-08 au
i 6.500593781183657 4.9756e-07 deg
node 154.5792082155565 8.3875e-06 deg
peri 164.0204870523546 7.9685e-06 deg
M 152.0671827492415 3.5329e-06 deg
tp 2458872.711771941594
(2020-Jan-24.21177194)
1.1106e-05 TDB
period 1240.002995333762
3.39
4.6626e-06
1.277e-08
d
yr
n .2903218793460266 1.0916e-09 deg/d
Q 2.712028433541245 6.7984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2217  
   data-arc span      17769 days (48.65 yr)  
   first obs. used      1972-07-13  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45816  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:45:28  

Additional Information
 Earth MOID = .793073 au 
 Jupiter MOID = 2.6032 au 
 T_jup = 3.586 
[ 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 14.29   n/a E2021B10  

11415 (1999 JG81)          Discovered 1999-May-14 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JG81 = 1972 NV = 1972 RT2 = 1989 RZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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