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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 
[ 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1937-Jul-23 17:17 < 00:01 Eunom 0.0343673004113475 0.0343538628217669 0.0343807393228182 6.7709812834508 6.77098122312586 2428738.220045466 0.458722011281225 749.960834861607 55.8325618089429 -26.7985675949585 41947.6832082293 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:54:08 2020-Nov-12 19:54

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