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136892 (1998 HD24)
Classification: Main-belt Asteroid          SPK-ID: 2136892
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03827025428656721 3.6095e-08  
a 2.264526769092118 1.1448e-08 au
q 2.177862753800225 8.2658e-08 au
i 5.986401619717603 5.4502e-06 deg
node 187.8750390737764 3.9294e-05 deg
peri 272.210845903304 8.3468e-05 deg
M 295.2577093120844 7.5085e-05 deg
tp 2459224.346431717517
(2021-Jan-09.84643172)		 0.00026001 TDB
period 1244.699786832653
3.41		 9.4388e-06
2.584e-08		 d
yr
n .289226369127997 2.1933e-09 deg/d
Q 2.351190784384012 1.1886e-08 au
   Orbit Determination Parameters
   # obs. used (total)      424  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63672  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:49:41  

Additional Information
 Earth MOID = 1.20445 au 
 Jupiter MOID = 2.6855 au 
 T_jup = 3.609 
[ 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 16.6   n/a MPO436675  

136892 (1998 HD24)          Discovered 1998-Apr-28 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Alternate Designations
 1998 HD24 = 2005 LQ31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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