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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03827023022488919 3.8091e-08  
a 2.264526767604556 1.2199e-08 au
q 2.177862806857906 8.5961e-08 au
i 5.98639823969675 6.3047e-06 deg
node 187.8750041823085 4.1194e-05 deg
peri 272.2108843135716 9.2361e-05 deg
M 295.2577016306665 8.2626e-05 deg
tp 2459224.346458055449
(2021-Jan-09.84645806)		 0.00028581 TDB
period 1244.699785606192
3.41		 1.0058e-05
2.754e-08		 d
yr
n .2892263694129852 2.3371e-09 deg/d
Q 2.351190728351206 1.2666e-08 au
   Orbit Determination Parameters
   # obs. used (total)      390  
   data-arc span      7318 days (20.04 yr)  
   first obs. used      1998-04-20  
   last obs. used      2018-05-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:27:51  

Additional Information
 Earth MOID = 1.20446 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

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