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101899 (1999 PT8)
Classification: Main-belt Asteroid          SPK-ID: 2101899
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332184622658463 4.4407e-08  
a 2.456303679325685 1.629e-08 au
q 1.883448312375408 1.1575e-07 au
i 3.469059026899851 5.3393e-06 deg
node 110.8827755961184 9.4469e-05 deg
peri 212.1942364517203 9.5875e-05 deg
M 198.7175873168221 2.3103e-05 deg
tp 2459830.449921042454
(2022-Sep-07.94992104)
9.5084e-05 TDB
period 1406.117181671708
3.85
1.3988e-05
3.83e-08
d
yr
n .2560241811226589 2.547e-09 deg/d
Q 3.029159046275962 2.009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      9872 days (27.03 yr)  
   first obs. used      1994-03-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55185  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:16  

Additional Information
 Earth MOID = .870154 au 
 Jupiter MOID = 2.3048 au 
 T_jup = 3.452 
[ 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 16.4   n/a MPO453473  

101899 (1999 PT8)          Discovered 1999-Aug-08 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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