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129883 (1999 TO2)
Classification: Main-belt Asteroid          SPK-ID: 2129883
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169764000400304 5.2857e-08  
a 2.618734872259721 1.5887e-08 au
q 2.050531207017518 1.3956e-07 au
i 13.61599406951963 4.5254e-06 deg
node 93.95286890851013 2.6473e-05 deg
peri 260.1807056436446 2.835e-05 deg
M 326.7196714094498 1.1781e-05 deg
tp 2459143.593803961355
(2020-Oct-21.09380396)
5.1063e-05 TDB
period 1547.87442335275
4.24
1.4086e-05
3.857e-08
d
yr
n .232577006615451 2.1165e-09 deg/d
Q 3.186938537501923 1.9335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      8139 days (22.28 yr)  
   first obs. used      1998-04-19  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:42:04  

Additional Information
 Earth MOID = 1.09627 au 
 Jupiter MOID = 2.3881 au 
 T_jup = 3.333 
[ 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 14.9   n/a MPO436629  

129883 (1999 TO2)          Discovered 1999-Oct-02 by Juels, C. W. at Fountain Hills
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1999 TO2 = 2002 JE97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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