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JPL Small-Body Database Browser
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85775 (1998 UY20)
Classification: Main-belt Asteroid          SPK-ID: 2085775
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456488460143562 4.0637e-08  
a 2.430873878350685 9.5926e-09 au
q 2.076819903162465 1.0042e-07 au
i 1.745675652453015 5.323e-06 deg
node 34.31252745717288 0.00012935 deg
peri 45.61062253636705 0.00013142 deg
M 119.619868436629 2.0498e-05 deg
tp 2458140.515829240199
(2018-Jan-22.01582924)
7.8252e-05 TDB
period 1384.337766273797
3.79
8.1942e-06
2.243e-08
d
yr
n .2600521410096375 1.5393e-09 deg/d
Q 2.784927853538904 1.099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      742  
   data-arc span      7509 days (20.56 yr)  
   first obs. used      1998-10-18  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54767  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:55:59  

Additional Information
 Earth MOID = 1.09281 au 
 Jupiter MOID = 2.43923 au 
 T_jup = 3.492 
[ 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 15.9   n/a MPO273026  

85775 (1998 UY20)          Discovered 1998-Oct-29 by Korlevic, K. at Visnjan
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 UY20 = 2000 GA54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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