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150237 (1998 XD23)
Classification: Main-belt Asteroid          SPK-ID: 2150237
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 .1224055895981425 3.9612e-08  
a 2.401570573063218 9.1344e-09 au
q 2.107604911105866 9.7271e-08 au
i 5.670149353962481 3.1522e-06 deg
node 250.812194921297 4.7434e-05 deg
peri 141.6384587770166 5.0621e-05 deg
M 354.3088867213731 1.6709e-05 deg
tp 2459221.989988661482
(2021-Jan-07.48998866)
6.3092e-05 TDB
period 1359.381818525372
3.72
7.7556e-06
2.123e-08
d
yr
n .2648262578577961 1.5109e-09 deg/d
Q 2.69553623502057 1.0252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      10570 days (28.94 yr)  
   first obs. used      1992-01-28  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52649  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:43  

Additional Information
 Earth MOID = 1.11634 au 
 Jupiter MOID = 2.7127 au 
 T_jup = 3.509 
[ 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 16.39   n/a E2021B55  

150237 (1998 XD23)          Discovered 1998-Dec-11 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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