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385836 (2006 HE74)
Classification: Main-belt Asteroid          SPK-ID: 2385836
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09112622138849548 9.4141e-08  
a 2.733900193692718 3.7804e-08 au
q 2.484770199388224 2.7005e-07 au
i 5.040809453774482 7.1305e-06 deg
node 114.7899739459539 0.00011212 deg
peri 257.4026594661249 0.00011847 deg
M 308.2626226775149 4.0949e-05 deg
tp 2459437.787204208962
(2021-Aug-11.28720421)
0.00018994 TDB
period 1651.096324090269
4.52
3.4247e-05
9.376e-08
d
yr
n .2180369459657994 4.5225e-09 deg/d
Q 2.983030187997211 4.1249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      6595 days (18.06 yr)  
   first obs. used      2001-04-16  
   last obs. used      2019-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44037  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:48  

Additional Information
 Earth MOID = 1.48907 au 
 Jupiter MOID = 2.4771 au 
 T_jup = 3.341 
[ 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 16.8   n/a MPO434399  

385836 (2006 HE74)          Discovered 2006-Apr-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2006 HE74 = 2008 XQ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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