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249638 (1999 TP146)
Classification: Main-belt Asteroid          SPK-ID: 2249638
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2315005041984001 5.4552e-08  
a 3.130167987912538 3.82e-08 au
q 2.405532520485094 1.853e-07 au
i .5273517388550131 5.3183e-06 deg
node 54.06666220125197 0.0010118 deg
peri 330.0972294560261 0.0010121 deg
M 263.4830902676009 2.5548e-05 deg
tp 2459542.813983484532
(2021-Nov-24.31398348)
0.00015096 TDB
period 2022.785795729793
5.54
3.7029e-05
1.014e-07
d
yr
n .1779723788648205 3.2579e-09 deg/d
Q 3.854803455339982 4.7043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6737 days (18.44 yr)  
   first obs. used      1999-10-07  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52227  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:21:24  

Additional Information
 Earth MOID = 1.40933 au 
 Jupiter MOID = 1.60288 au 
 T_jup = 3.171 
[ 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 16.2   n/a MPO440260  

249638 (1999 TP146)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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