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101511 (1998 XH23)
Classification: Main-belt Asteroid          SPK-ID: 2101511
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08608252324680586 4.6767e-08  
a 2.794131379184607 2.2851e-08 au
q 2.553605499781318 1.3328e-07 au
i .671864260802305 4.4443e-06 deg
node 284.5838399880171 0.00045084 deg
peri 97.08500930889136 0.00045173 deg
M 294.8745575649138 3.2578e-05 deg
tp 2459509.114869256320
(2021-Oct-21.61486926)		 0.00015659 TDB
period 1705.959280706854
4.67		 2.0927e-05
5.73e-08		 d
yr
n .2110249664639335 2.5887e-09 deg/d
Q 3.034657258587896 2.4818e-08 au
   Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      9341 days (25.57 yr)  
   first obs. used      1993-10-10  
   last obs. used      2019-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5935  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:07  

Additional Information
 Earth MOID = 1.55505 au 
 Jupiter MOID = 2.37893 au 
 T_jup = 3.322 
[ 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 MPO469021  

101511 (1998 XH23)          Discovered 1998-Dec-11 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1998 XH23 = 1993 TF45 = 2002 RL11 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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