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91663 (1999 TO107)
Classification: Main-belt Asteroid          SPK-ID: 2091663
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05358863315139704 3.4184e-08  
a 2.976843804364236 2.1845e-08 au
q 2.817318813783152 1.0545e-07 au
i 10.53103425481692 6.0111e-06 deg
node 312.6128921612602 2.0365e-05 deg
peri 103.4784439531918 6.1247e-05 deg
M 311.5525484125483 5.8495e-05 deg
tp 2459252.964858184263
(2021-Feb-07.46485818)
0.00030557 TDB
period 1875.998550352546
5.14
2.065e-05
5.654e-08
d
yr
n .191897802870022 2.1123e-09 deg/d
Q 3.13636879494532 2.3016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      7639 days (20.91 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:18:58  

Additional Information
 Earth MOID = 1.85346 au 
 Jupiter MOID = 2.06449 au 
 T_jup = 3.233 
[ 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 14.2   n/a MPO436412  

91663 (1999 TO107)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 TO107 = 2000 WE7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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