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JPL Small-Body Database Browser
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201489 (2003 HT39)
Classification: Main-belt Asteroid          SPK-ID: 2201489
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .200025988576397 5.5765e-08  
a 2.542502467666318 1.8333e-08 au
q 2.033935898113433 1.4554e-07 au
i 2.909693860536308 6.5107e-06 deg
node 77.14318363361252 0.00015002 deg
peri 208.626481618278 0.00015223 deg
M 298.8527964631485 3.1007e-05 deg
tp 2458852.015411183513
(2020-Jan-03.51541118)
0.00012887 TDB
period 1480.779868722791
4.05
1.6016e-05
4.385e-08
d
yr
n .2431151365601079 2.6295e-09 deg/d
Q 3.051069037219202 2.2e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      8209 days (22.48 yr)  
   first obs. used      1996-11-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58309  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:14:36  

Additional Information
 Earth MOID = 1.01748 au 
 Jupiter MOID = 2.11288 au 
 T_jup = 3.415 
[ 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 16.7   n/a MPO433319  

201489 (2003 HT39)          Discovered 2003-Apr-29 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 HT39 = 2007 HS21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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