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120980 (1998 XY5)
Classification: Main-belt Asteroid          SPK-ID: 2120980
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686352568225635 3.6124e-08  
a 2.157157659058991 5.0322e-09 au
q 1.793384823216818 7.6942e-08 au
i 1.563863132236751 4.6192e-06 deg
node 187.2121230718186 0.00012293 deg
peri 151.4583177644213 0.00012365 deg
M 48.63649485899933 1.3019e-05 deg
tp 2459044.156069599898
(2020-Jul-13.65606960)
4.175e-05 TDB
period 1157.234194347421
3.17
4.0494e-06
1.109e-08
d
yr
n .311086555995702 1.0886e-09 deg/d
Q 2.520930494901163 5.8808e-09 au
  Orbit Determination Parameters
   # obs. used (total)      792  
   data-arc span      8116 days (22.22 yr)  
   first obs. used      1998-10-23  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:26:20  

Additional Information
 Earth MOID = .782708 au 
 Jupiter MOID = 2.85146 au 
 T_jup = 3.681 
[ 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 16.9   n/a MPO432709  

120980 (1998 XY5)          Discovered 1998-Dec-08 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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