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47173 (1999 TJ49)
Classification: Main-belt Asteroid          SPK-ID: 2047173
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08123590072721361 4.2248e-08  
a 2.252870110748903 8.571e-09 au
q 2.069856178080798 9.4284e-08 au
i 3.875841455036992 4.5812e-06 deg
node 43.58355807165856 7.2815e-05 deg
peri 176.6062067219839 7.8839e-05 deg
M 186.9177090268586 3.0324e-05 deg
tp 2459594.317224713227
(2022-Jan-14.81722471)
0.00010451 TDB
period 1235.101521333195
3.38
7.0484e-06
1.93e-08
d
yr
n .291474015521743 1.6634e-09 deg/d
Q 2.435884043417008 9.2672e-09 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      8248 days (22.58 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:43:30  

Additional Information
 Earth MOID = 1.06154 au 
 Jupiter MOID = 2.53124 au 
 T_jup = 3.618 
[ 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 16.0   n/a MPO337635  

47173 (1999 TJ49)          Discovered 1999-Oct-04 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TJ49 = 1998 HK81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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