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JPL Small-Body Database Browser
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154574 (2003 HM44)
Classification: Main-belt Asteroid          SPK-ID: 2154574
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1723028676158768 7.0419e-08  
a 2.5455859324453 1.515e-08 au
q 2.106974176522339 1.8276e-07 au
i 6.087979129028447 1.0458e-05 deg
node 172.6519145928364 5.019e-05 deg
peri 320.7749265301486 6.718e-05 deg
M 139.3419579248383 3.8972e-05 deg
tp 2458426.304905156957
(2018-Nov-03.80490516)
0.00016177 TDB
period 1483.474448198841
4.06
1.3243e-05
3.626e-08
d
yr
n .2426735428015586 2.1664e-09 deg/d
Q 2.98419768836826 1.776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      21488 days (58.83 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62285  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:33:02  

Additional Information
 Earth MOID = 1.12493 au 
 Jupiter MOID = 2.06827 au 
 T_jup = 3.414 
[ 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 16.1   n/a MPO320647  

154574 (2003 HM44)          Discovered 2003-Apr-27 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2003 HM44 = 2005 UX67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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