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JPL Small-Body Database Browser
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201488 (2003 HJ39)
Classification: Main-belt Asteroid          SPK-ID: 2201488
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180490484056208 4.6255e-08  
a 2.31552752595505 1.2e-08 au
q 1.897596841949949 1.0967e-07 au
i 1.430628546054443 4.8228e-06 deg
node 253.7025024712266 0.00020342 deg
peri 339.0522313471453 0.00020382 deg
M 298.0511031495695 1.3699e-05 deg
tp 2459221.964655577581
(2021-Jan-07.46465558)
4.9545e-05 TDB
period 1286.984596358877
3.52
1.0004e-05
2.739e-08
d
yr
n .279723627631992 2.1745e-09 deg/d
Q 2.73345820996015 1.4166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:05:52  

Additional Information
 Earth MOID = .886713 au 
 Jupiter MOID = 2.2634 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456868.5 (2014-Jul-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806444661348657 4.6174e-08  
q 1.897358616251777 1.095e-07 au
tp 2456648.215069336771
(2013-Dec-21.71506934)
4.6567e-05 TDB
node 253.7763393666234 0.0002036 deg
peri 339.0414998763379 0.000204 deg
i 1.42977562687222 4.8214e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      252  
   data-arc span      7685 days (21.04 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 00:05:52  

Additional Information
 Jupiter MOID = 2.2634 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.132011024371559E-15 -5.03691546383171E-15 -2.944345172211044E-13 -4.981537156132612E-14 1.679019750211252E-15 -1.159931555221043E-15
q -5.03691546383171E-15 1.199129571237502E-14 6.543847042868606E-13 1.184015836972529E-13 -1.266435943294583E-14 2.798431263362514E-15
tp -2.944345172211044E-13 6.543847042868606E-13 2.168515537612144E-9 2.504746426578893E-11 6.157499716148771E-10 1.963349951153231E-13
node -4.981537156132612E-14 1.184015836972529E-13 2.504746426578893E-11 4.145151886961065E-8 -4.143142796267948E-8 -9.149701450997339E-11
peri 1.679019750211252E-15 -1.266435943294583E-14 6.157499716148771E-10 -4.143142796267948E-8 4.161398014495364E-8 9.150335743965667E-11
i -1.159931555221043E-15 2.798431263362514E-15 1.963349951153231E-13 -9.149701450997339E-11 9.150335743965667E-11 2.324611675530297E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO454428  

201488 (2003 HJ39)          Discovered 2003-Apr-29 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2003 HJ39 = 2006 BO24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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