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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08676295129485163 4.67e-08  
a 2.792926626894239 2.2159e-08 au
q 2.55060406999492 1.3346e-07 au
i .6727000285529128 4.5521e-06 deg
node 284.5924145772511 0.00045024 deg
peri 97.40706168449333 0.00045115 deg
M 252.4007580273528 3.228e-05 deg
tp 2459510.058942450108
(2021-Oct-22.55894245)
0.00015626 TDB
period 1704.856055850948
4.67
2.0289e-05
5.555e-08
d
yr
n .2111615222672347 2.513e-09 deg/d
Q 3.035249183793558 2.4081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      9334 days (25.56 yr)  
   first obs. used      1993-10-10  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59191  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:01:35  

Additional Information
 Earth MOID = 1.5535 au 
 Jupiter MOID = 2.3794 au 
 T_jup = 3.323 
[ 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

[ show close-approach data ]
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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