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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446839980625323 3.4143e-08  
a 2.430547710690385 9.2548e-09 au
q 2.078886350425965 8.5408e-08 au
i 1.74349799438271 4.2391e-06 deg
node 34.16435398763565 0.00012247 deg
peri 46.52950391390655 0.0001236 deg
M 325.6097600121574 1.7107e-05 deg
tp 2459528.717018138784
(2021-Nov-10.21701814)
6.6141e-05 TDB
period 1384.059155934619
3.79
7.9051e-06
2.164e-08
d
yr
n .2601044893611512 1.4856e-09 deg/d
Q 2.782209070954805 1.0594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      8038 days (22.01 yr)  
   first obs. used      1998-10-18  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54157  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:14:55  

Additional Information
 Earth MOID = 1.09499 au 
 Jupiter MOID = 2.43747 au 
 T_jup = 3.493 
[ 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 15.98   n/a E2021B10  

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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