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102550 (1999 UY17)
Classification: Main-belt Asteroid          SPK-ID: 2102550
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349687779659147 5.4315e-08  
a 2.442252647374651 1.0247e-08 au
q 2.112624792074474 1.3323e-07 au
i 2.248498093936806 4.1992e-06 deg
node 76.59122767095447 0.00013028 deg
peri 71.10261094270015 0.00013175 deg
M 79.13500712616529 1.6066e-05 deg
tp 2458894.056470683116
(2020-Feb-14.55647068)
6.259e-05 TDB
period 1394.069130216858
3.82
8.7739e-06
2.402e-08
d
yr
n .2582368350298377 1.6253e-09 deg/d
Q 2.771880502674827 1.163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      522  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52885  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:30  

Additional Information
 Earth MOID = 1.12535 au 
 Jupiter MOID = 2.22797 au 
 T_jup = 3.487 
[ 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 16.59   n/a E2021B55  

102550 (1999 UY17)          Discovered 1999-Oct-30 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 UY17 = 1999 UQ55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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