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JPL Small-Body Database Browser
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80428 (1999 XM224)
Classification: Main-belt Asteroid          SPK-ID: 2080428
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1371023509317379 3.4253e-08  
a 2.340337350787504 9.4707e-09 au
q 2.019471598021182 7.7853e-08 au
i 4.018898511565442 4.1244e-06 deg
node 288.6953816459264 5.2194e-05 deg
peri 268.9476627489878 5.461e-05 deg
M 68.3398561692571 1.6165e-05 deg
tp 2458352.250900230337
(2018-Aug-21.75090023)
5.8149e-05 TDB
period 1307.724085572221
3.58
7.938e-06
2.173e-08
d
yr
n .2752874279611321 1.671e-09 deg/d
Q 2.661203103553826 1.0769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      831  
   data-arc span      7718 days (21.13 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58315  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 09:31:10  

Additional Information
 Earth MOID = 1.02271 au 
 Jupiter MOID = 2.31973 au 
 T_jup = 3.549 
[ 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 15.7   n/a MPO449504  

80428 (1999 XM224)          Discovered 1999-Dec-13 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 XM224 = 1998 RQ53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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