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101498 (1998 XC7)
Classification: Main-belt Asteroid          SPK-ID: 2101498
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01144057925969656 4.77e-08  
a 3.049622649239837 2.5483e-08 au
q 3.014733199609043 1.4946e-07 au
i 2.809979705525442 5.2234e-06 deg
node 208.6515401225416 9.5421e-05 deg
peri 293.931159394603 0.00028467 deg
M 328.7624972857425 0.00026499 deg
tp 2459369.287930993030
(2021-Jun-03.78793099)
0.0014315 TDB
period 1945.214882038473
5.33
2.4382e-05
6.675e-08
d
yr
n .1850695279601916 2.3197e-09 deg/d
Q 3.084512098870631 2.5774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      10370 days (28.39 yr)  
   first obs. used      1992-09-29  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:04  

Additional Information
 Earth MOID = 2.02532 au 
 Jupiter MOID = 1.88686 au 
 T_jup = 3.235 
[ 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 15.5   n/a MPO453468  

101498 (1998 XC7)          Discovered 1998-Dec-08 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 XC7 = 2002 PZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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