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JPL Small-Body Database Browser
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173881 (2001 UY45)
Classification: Main-belt Asteroid          SPK-ID: 2173881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007783044095292 4.318e-08  
a 3.126819384879231 2.9065e-08 au
q 2.499021890588332 1.4064e-07 au
i 4.651085258988146 5.273e-06 deg
node 89.03640597784239 8.9682e-05 deg
peri 9.32322480296653 9.1508e-05 deg
M 18.89537538027785 1.9514e-05 deg
tp 2458494.500054046055
(2019-Jan-11.00005405)
0.00010879 TDB
period 2019.540748751132
5.53
2.8159e-05
7.71e-08
d
yr
n .1782583491928158 2.4855e-09 deg/d
Q 3.754616879170131 3.4901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      8121 days (22.23 yr)  
   first obs. used      1996-12-10  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62512  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:44:54  

Additional Information
 Earth MOID = 1.51613 au 
 Jupiter MOID = 1.43166 au 
 T_jup = 3.178 
[ 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 15.4   n/a MPO433118  

173881 (2001 UY45)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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