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91793 (1999 TR227)
Classification: Main-belt Asteroid          SPK-ID: 2091793
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07824483764839504 4.6571e-08  
a 3.001017695738273 2.3081e-08 au
q 2.766203553355271 1.4502e-07 au
i 8.084308474696394 4.1231e-06 deg
node 225.7667771549949 3.5566e-05 deg
peri 80.29779300678082 4.4318e-05 deg
M 53.8338064165053 2.5924e-05 deg
tp 2458716.542169764126
(2019-Aug-21.04216976)
0.00013661 TDB
period 1898.896356947425
5.20
2.1906e-05
5.998e-08
d
yr
n .1895838067637977 2.1871e-09 deg/d
Q 3.235831838121275 2.4887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      9045 days (24.76 yr)  
   first obs. used      1994-11-29  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54304  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:58:30  

Additional Information
 Earth MOID = 1.76627 au 
 Jupiter MOID = 1.94708 au 
 T_jup = 3.233 
[ 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 MPO449564  

91793 (1999 TR227)          Discovered 1999-Oct-01 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

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