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181912 (1999 TP41)
Classification: Main-belt Asteroid          SPK-ID: 2181912
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218232348761564 4.1993e-08  
a 2.425658843184851 1.6259e-08 au
q 2.130157236202117 9.5476e-08 au
i 1.884498123804467 6.5372e-06 deg
node 216.3609125983093 0.0001125 deg
peri 272.00263452 0.00011731 deg
M 139.9330734089313 3.3781e-05 deg
tp 2458664.134447299686
(2019-Jun-29.63444730)
0.00012653 TDB
period 1379.885357108071
3.78
1.3874e-05
3.798e-08
d
yr
n .2608912386420847 2.6231e-09 deg/d
Q 2.721160450167585 1.824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      9008 days (24.66 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56043  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:34  

Additional Information
 Earth MOID = 1.14606 au 
 Jupiter MOID = 2.32544 au 
 T_jup = 3.500 
[ 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 17.52   n/a E2021B55  

181912 (1999 TP41)          Discovered 1999-Oct-02 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1999 TP41 = 2007 YW 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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