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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349687797741537 5.4491e-08  
a 2.44225264837957 1.0438e-08 au
q 2.112624788527584 1.3353e-07 au
i 2.248498087266773 4.3155e-06 deg
node 76.59122767939925 0.00013266 deg
peri 71.10260831924609 0.00013428 deg
M 79.13500902280467 1.6758e-05 deg
tp 2458894.056463149404
(2020-Feb-14.55646315)
6.5363e-05 TDB
period 1394.069131077289
3.82
8.9372e-06
2.447e-08
d
yr
n .2582368348704517 1.6555e-09 deg/d
Q 2.771880508231556 1.1847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:07  

Additional Information
 Earth MOID = 1.12535 au 
 Jupiter MOID = 2.22797 au 
 T_jup = 3.487 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457208.5 (2015-Jul-05.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353438108566292 5.4664e-08  
q 2.111648389730198 1.3411e-07 au
tp 2457501.148431624663
(2016-Apr-22.64843162)
6.7744e-05 TDB
node 76.60954511451614 0.0001327 deg
peri 71.48329744551974 0.0001343 deg
i 2.248556717952041 4.3147e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      7527 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:54:07  

Additional Information
 Jupiter MOID = 2.22797 au 
 T_jup = 3.487 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.988124795145177E-15 -7.314077290902244E-15 2.945470945075309E-13 2.277043215189151E-14 1.601763347442709E-13 -2.149308482901911E-15
q -7.314077290902244E-15 1.798588487948764E-14 -9.588428683945721E-13 -5.343161170746322E-14 -4.724120123429933E-13 5.333680574391131E-15
tp 2.945470945075309E-13 -9.588428683945721E-13 4.589267301854541E-9 -1.989384593789175E-11 1.424546216026703E-9 -7.292932243603765E-14
node 2.277043215189151E-14 -5.343161170746322E-14 -1.989384593789175E-11 1.76104352393074E-8 -1.760211512125989E-8 1.911168575458291E-10
peri 1.601763347442709E-13 -4.724120123429933E-13 1.424546216026703E-9 -1.760211512125989E-8 1.803752667467015E-8 -1.910833056640704E-10
i -2.149308482901911E-15 5.333680574391131E-15 -7.292932243603765E-14 1.911168575458291E-10 -1.910833056640704E-10 1.861675080269898E-11

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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