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212383 (2006 HQ77)
Classification: Main-belt Asteroid          SPK-ID: 2212383
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161173507586108 4.1796e-08  
a 2.189513204309534 9.1581e-09 au
q 1.935272731574114 9.1305e-08 au
i 3.561215717014853 4.6925e-06 deg
node 40.17233142149481 6.5459e-05 deg
peri 210.6030154448906 6.82e-05 deg
M 106.4930654729278 1.7359e-05 deg
tp 2458650.443128016567
(2019-Jun-15.94312802)
5.7301e-05 TDB
period 1183.367887424297
3.24
7.4246e-06
2.033e-08
d
yr
n .3042164687970124 1.9087e-09 deg/d
Q 2.443753677044954 1.0222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      6886 days (18.85 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:01:24  

Additional Information
 Earth MOID = .922206 au 
 Jupiter MOID = 2.57783 au 
 T_jup = 3.663 
[ 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 17.2   n/a MPO433388  

212383 (2006 HQ77)          Discovered 2006-Apr-25 by NEAT at Palomar
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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