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20155 Utewindolf (1996 TS11)
Classification: Main-belt Asteroid          SPK-ID: 2020155
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2349204017748623 4.0137e-08  
a 2.352011963226268 9.5764e-09 au
q 1.799476367845871 9.3126e-08 au
i 2.2181204539787 5.0701e-06 deg
node 9.407688684478769 8.9055e-05 deg
peri 307.2117006012502 8.9698e-05 deg
M 237.5899239252406 1.2167e-05 deg
tp 2459448.494191888566
(2021-Aug-21.99419189)
4.6256e-05 TDB
period 1317.521516622427
3.61
8.0466e-06
2.203e-08
d
yr
n .2732403193861221 1.6688e-09 deg/d
Q 2.904547558606666 1.1826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      666  
   data-arc span      8590 days (23.52 yr)  
   first obs. used      1996-10-11  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:09:36  

Additional Information
 Earth MOID = .787137 au 
 Jupiter MOID = 2.40262 au 
 T_jup = 3.518 
[ 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 16.1   n/a MPO412335  

20155 Utewindolf           Discovered 1996 Oct. 13 by P. G. Comba at Prescott.
Ute Windolf of Prescott, Arizona, is a very dear and generous friend who was particularly helpful and supportive during the long terminal illness of the discoverer's wife.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020526/MPCPages.arcLast Updated: 2003-10-02

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