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120274 (2004 HE6)
Classification: Main-belt Asteroid          SPK-ID: 2120274
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353469441341603 5.2412e-08  
a 2.384630462599821 1.2471e-08 au
q 2.061878016597706 1.2567e-07 au
i 2.276801174184365 4.1133e-06 deg
node 120.8166924097312 0.00014554 deg
peri 97.66564129949154 0.00014635 deg
M 193.7447376528009 1.9274e-05 deg
tp 2459821.659251617413
(2022-Aug-30.15925162)
7.4882e-05 TDB
period 1345.024075780997
3.68
1.0551e-05
2.889e-08
d
yr
n .2676532015168305 2.0997e-09 deg/d
Q 2.707382908601935 1.4159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      7607 days (20.83 yr)  
   first obs. used      2000-03-12  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55617  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:24:36  

Additional Information
 Earth MOID = 1.05462 au 
 Jupiter MOID = 2.26173 au 
 T_jup = 3.522 
[ 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 16.5   n/a MPO432704  

120274 (2004 HE6)          Discovered 2004-Apr-17 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 HE6 = 2001 SM165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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