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101531 (1998 XT97)
Classification: Main-belt Asteroid          SPK-ID: 2101531
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132848744576235 5.0399e-08  
a 2.335816946489837 8.7026e-09 au
q 1.837622522301763 1.2133e-07 au
i 3.581058458483571 3.8885e-06 deg
node 63.53175460984966 8.9412e-05 deg
peri 317.3195406471843 9.0437e-05 deg
M 92.88818178481652 1.4805e-05 deg
tp 2458864.054599498200
(2020-Jan-15.55459950)		 5.2422e-05 TDB
period 1303.937076314333
3.57		 7.2872e-06
1.995e-08		 d
yr
n .2760869420306419 1.5429e-09 deg/d
Q 2.834011370677911 1.0559e-08 au
   Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      9167 days (25.10 yr)  
   first obs. used      1996-01-28  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:12  

Additional Information
 Earth MOID = .841184 au 
 Jupiter MOID = 2.62624 au 
 T_jup = 3.534 
[ 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 16.5   n/a MPO449615  

101531 (1998 XT97)          Discovered 1998-Dec-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 XT97 = 2003 BZ78 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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