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79857 (1998 XD53)
Classification: Main-belt Asteroid          SPK-ID: 2079857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .249386445311766 4.1367e-08  
a 2.725470108912147 1.5633e-08 au
q 2.045774806647075 1.1701e-07 au
i 2.605844308177886 6.132e-06 deg
node 301.4118114293302 9.8565e-05 deg
peri 125.1346268067198 9.9431e-05 deg
M 295.0844266972683 1.3321e-05 deg
tp 2459296.851382808667
(2021-Mar-23.35138281)
6.1968e-05 TDB
period 1643.465387166665
4.50
1.414e-05
3.871e-08
d
yr
n .2190493349060671 1.8847e-09 deg/d
Q 3.405165411177219 1.9532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      8396 days (22.99 yr)  
   first obs. used      1997-08-05  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59881  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:36:53  

Additional Information
 Earth MOID = 1.06098 au 
 Jupiter MOID = 1.92542 au 
 T_jup = 3.309 
[ 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 15.8   n/a MPO412659  

79857 (1998 XD53)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 XD53 = 2002 TC298 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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