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JPL Small-Body Database Browser
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49273 (1998 UY18)
Classification: Main-belt Asteroid          SPK-ID: 2049273
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09274542091475872 3.8336e-08  
a 2.551165998351622 1.5435e-08 au
q 2.31455703401108 9.8439e-08 au
i 3.216217124509364 4.1679e-06 deg
node 262.995241674109 0.00010856 deg
peri 183.68156134 0.0001139 deg
M 325.2577304538138 3.5659e-05 deg
tp 2458744.135631653514
(2019-Sep-17.63563165)
0.00014772 TDB
period 1488.354908032806
4.07
1.3507e-05
3.698e-08
d
yr
n .241877792761016 2.195e-09 deg/d
Q 2.787774962692163 1.6866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      744  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1996-03-24  
   last obs. used      2018-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57567  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 10:28:22  

Additional Information
 Earth MOID = 1.33083 au 
 Jupiter MOID = 2.37639 au 
 T_jup = 3.432 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO417158  

49273 (1998 UY18)          Discovered 1998-Oct-27 by Korlevic, K. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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