Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446820152980683 4.0162e-08  
a 2.432813294022101 9.5662e-09 au
q 2.080828963799052 9.8915e-08 au
i 1.743157954791584 5.3057e-06 deg
node 34.21962611540885 0.00012302 deg
peri 46.06684877739119 0.00012497 deg
M 223.1085291529457 2.0168e-05 deg
tp 2459527.530181166951
(2021-Nov-09.03018117)
7.8549e-05 TDB
period 1385.994788762876
3.79
8.1749e-06
2.238e-08
d
yr
n .259741236344281 1.532e-09 deg/d
Q 2.784797624245151 1.095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7530 days (20.62 yr)  
   first obs. used      1998-10-18  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54431  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:34  

Additional Information
 Earth MOID = 1.09697 au 
 Jupiter MOID = 2.43638 au 
 T_jup = 3.491 
[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-25 06:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin