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308729 (2006 HZ38)
Classification: Main-belt Asteroid          SPK-ID: 2308729
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1087569882077222 5.0583e-08  
a 2.297116411875018 1.0739e-08 au
q 2.047288949356962 1.1573e-07 au
i 6.225880422824583 5.1893e-06 deg
node 71.931828165775 3.7803e-05 deg
peri 150.9907684075135 4.4801e-05 deg
M 15.88706550529323 2.0512e-05 deg
tp 2458944.380457832658
(2020-Apr-04.88045783)
7.2506e-05 TDB
period 1271.665630982139
3.48
8.9177e-06
2.442e-08
d
yr
n .2830932842951516 1.9852e-09 deg/d
Q 2.546943874393075 1.1907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7704 days (21.09 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:24:52  

Additional Information
 Earth MOID = 1.04034 au 
 Jupiter MOID = 2.43199 au 
 T_jup = 3.578 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457488.5 (2016-Apr-10.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1091825672157655 5.0465e-08  
q 2.046693270194073 1.1557e-07 au
tp 2457671.605320299299
(2016-Oct-10.10532030)
7.3981e-05 TDB
node 71.95323325130799 3.7812e-05 deg
peri 150.6770143712042 4.4785e-05 deg
i 6.225145509668218 5.1883e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      7704 days (21.09 yr)  
   first obs. used      1999-05-13  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54497  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:24:52  

Additional Information
 Jupiter MOID = 2.43199 au 
 T_jup = 3.578 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.546700683821525E-15 -5.812478602339057E-15 9.728174612147391E-13 -3.46198312464932E-14 3.791962727902349E-13 -9.190351757272727E-16
q -5.812478602339057E-15 1.33573680823589E-14 -2.405408312658287E-12 7.993978328903999E-14 -9.260143236733151E-13 1.932950692009898E-15
tp 9.728174612147391E-13 -2.405408312658287E-12 5.473246625741003E-9 -5.189357069183797E-11 1.786026518486287E-9 5.65554590420051E-12
node -3.46198312464932E-14 7.993978328903999E-14 -5.189357069183797E-11 1.42975086254733E-9 -1.437562802040131E-9 -4.72842023403264E-11
peri 3.791962727902349E-13 -9.260143236733151E-13 1.786026518486287E-9 -1.437562802040131E-9 2.005658960139985E-9 4.880937277395733E-11
i -9.190351757272727E-16 1.932950692009898E-15 5.65554590420051E-12 -4.72842023403264E-11 4.880937277395733E-11 2.69186835406541E-11

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 16.9   n/a MPO471239  

308729 (2006 HZ38)          Discovered 2006-Apr-21 by Spacewatch at Kitt Peak
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2006 HZ38 = 2004 VH85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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