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91868 (1999 UF36)
Classification: Main-belt Asteroid          SPK-ID: 2091868
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04332206450086286 4.4807e-08  
a 2.730032365167721 1.4983e-08 au
q 2.611761726954481 1.2224e-07 au
i 13.64060404792476 5.407e-06 deg
node 191.4240589788179 1.5928e-05 deg
peri 218.9387774426398 5.9545e-05 deg
M 159.2492958248561 5.9763e-05 deg
tp 2458271.671846630571
(2018-Jun-02.17184663)
0.00027187 TDB
period 1647.593691726966
4.51
1.3564e-05
3.714e-08
d
yr
n .2185004724208778 1.7988e-09 deg/d
Q 2.84830300338096 1.5633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      935  
   data-arc span      10838 days (29.67 yr)  
   first obs. used      1990-09-23  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:20:20  

Additional Information
 Earth MOID = 1.62858 au 
 Jupiter MOID = 2.31883 au 
 T_jup = 3.312 
[ 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 MPO432456  

91868 (1999 UF36)          Discovered 1999-Oct-16 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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