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181933 (1999 TD142)
Classification: Main-belt Asteroid          SPK-ID: 2181933
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1659326683585778 4.7088e-08  
a 2.272469478190484 1.1886e-08 au
q 1.895392553910912 1.1269e-07 au
i 4.714407302387639 4.1747e-06 deg
node 194.2516942950708 5.5957e-05 deg
peri 149.7689976626228 5.7819e-05 deg
M 88.60784242355457 1.4681e-05 deg
tp 2458892.525204053443
(2020-Feb-13.02520405)
5.0169e-05 TDB
period 1251.254104696355
3.43
9.817e-06
2.688e-08
d
yr
n .2877113438819544 2.2573e-09 deg/d
Q 2.649546402470056 1.3858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1999-10-01  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:39  

Additional Information
 Earth MOID = .888017 au 
 Jupiter MOID = 2.76204 au 
 T_jup = 3.589 
[ 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 16.85   n/a MPCxxxxx  

181933 (1999 TD142)          Discovered 1999-Oct-07 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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