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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168790142927536 3.695e-08  
a 2.157487452296591 7.7633e-09 au
q 1.793324836859084 7.7916e-08 au
i 1.563745395242024 4.7591e-06 deg
node 187.213882354323 0.00015686 deg
peri 151.4364059831716 0.00015793 deg
M 346.4353034351639 2.1484e-05 deg
tp 2459044.114251867312
(2020-Jul-13.61425187)
6.9236e-05 TDB
period 1157.49958704823
3.17
6.2476e-06
1.71e-08
d
yr
n .3110152297488464 1.6787e-09 deg/d
Q 2.521650067734098 9.0737e-09 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      7952 days (21.77 yr)  
   first obs. used      1998-10-23  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58539  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:11:41  

Additional Information
 Earth MOID = .784513 au 
 Jupiter MOID = 2.85077 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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