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91805 (1999 TB241)
Classification: Main-belt Asteroid          SPK-ID: 2091805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115588797456902 5.4315e-08  
a 3.06228523536563 2.5828e-08 au
q 2.720660125046473 1.7416e-07 au
i 10.44435855826139 5.3722e-06 deg
node 50.38095576519815 2.8129e-05 deg
peri 346.0405095937266 3.7452e-05 deg
M 301.3321285161137 2.3225e-05 deg
tp 2459319.480929122656
(2021-Apr-14.98092912)
0.00012669 TDB
period 1957.342776884212
5.36
2.4763e-05
6.78e-08
d
yr
n .1839228183492033 2.3269e-09 deg/d
Q 3.403910345684786 2.8709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      1999-10-04  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52529  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:17:43  

Additional Information
 Earth MOID = 1.72961 au 
 Jupiter MOID = 2.01216 au 
 T_jup = 3.199 
[ 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 14.9   n/a MPO439646  

91805 (1999 TB241)          Discovered 1999-Oct-04 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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