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277842 (2006 HB84)
Classification: Main-belt Asteroid          SPK-ID: 2277842
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02037630612878983 6.4937e-08  
a 3.135220173347388 4.6256e-08 au
q 3.071335967314104 2.3322e-07 au
i 8.582827022072246 5.3642e-06 deg
node 90.5738561533397 4.0167e-05 deg
peri 329.2300830192195 0.00015826 deg
M 8.353250374818847 0.00014991 deg
tp 2458953.450664687115
(2020-Apr-13.95066469)
0.00084468 TDB
period 2027.685027100105
5.55
4.4874e-05
1.229e-07
d
yr
n .1775423673739181 3.9291e-09 deg/d
Q 3.199104379380672 4.7198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56997  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:53:20  

Additional Information
 Earth MOID = 2.08829 au 
 Jupiter MOID = 1.92411 au 
 T_jup = 3.194 
[ 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 15.7   n/a MPO503248  
diameter diameter 5.435 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.031   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277842 (2006 HB84)          Discovered 2006-Apr-26 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2006 HB84 = 2000 JG91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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