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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1804904839769418 4.6146e-08  
a 2.315527525909738 1.1975e-08 au
q 1.897596842096359 1.0946e-07 au
i 1.430628435350565 4.8052e-06 deg
node 253.7025050295042 0.00020271 deg
peri 339.0522288954872 0.0002031 deg
M 298.0511030835112 1.3686e-05 deg
tp 2459221.964655807236
(2021-Jan-07.46465581)
4.9505e-05 TDB
period 1286.9845963211
3.52
9.9834e-06
2.733e-08
d
yr
n .2797236276402028 2.1699e-09 deg/d
Q 2.733458209723117 1.4136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      7700 days (21.08 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:05:27  

Additional Information
 Earth MOID = .886713 au 
 Jupiter MOID = 2.2634 au 
 T_jup = 3.559 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456883.5 (2014-Aug-14.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806484781292521 4.6065e-08  
q 1.89733875379177 1.093e-07 au
tp 2456648.210567569443
(2013-Dec-21.71056757)
4.6451e-05 TDB
node 253.7757107110883 0.00020288 deg
peri 339.0396947146705 0.00020328 deg
i 1.429767505519373 4.8038e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      7700 days (21.08 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:05:27  

Additional Information
 Jupiter MOID = 2.2634 au 
 T_jup = 3.559 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.121983941203236E-15 -5.01581153481513E-15 -2.841083312172027E-13 -4.982593424593626E-14 5.296028372382507E-15 -1.147881658495352E-15
q -5.01581153481513E-15 1.194693075132169E-14 6.325351217540817E-13 1.184020314522181E-13 -2.030323918782598E-14 2.772904448424295E-15
tp -2.841083312172027E-13 6.325351217540817E-13 2.157657354394393E-9 2.429004799763317E-11 6.127214510924369E-10 2.019871644459199E-13
node -4.982593424593626E-14 1.184020314522181E-13 2.429004799763317E-11 4.116087580149756E-8 -4.114111782178502E-8 -8.447409290915562E-11
peri 5.296028372382507E-15 -2.030323918782598E-14 6.127214510924369E-10 -4.114111782178502E-8 4.132268106749014E-8 8.448404954925246E-11
i -1.147881658495352E-15 2.772904448424295E-15 2.019871644459199E-13 -8.447409290915562E-11 8.448404954925246E-11 2.307667629025136E-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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