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362215 (2009 HH66)
Classification: Main-belt Asteroid          SPK-ID: 2362215
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793491827237285 6.5928e-08  
a 2.682148553678061 3.3991e-08 au
q 2.201107402632271 1.9245e-07 au
i 14.21769464119335 6.0554e-06 deg
node 166.0088765299967 3.8075e-05 deg
peri 1.433282818305459 4.851e-05 deg
M 322.6916721353679 3.4853e-05 deg
tp 2459562.774615738683
(2021-Dec-14.27461574)
0.00015751 TDB
period 1604.437000851795
4.39
3.05e-05
8.35e-08
d
yr
n .2243777722708191 4.2654e-09 deg/d
Q 3.163189704723852 4.0088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      2000-04-07  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56338  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:41  

Additional Information
 Earth MOID = 1.20895 au 
 Jupiter MOID = 1.80703 au 
 T_jup = 3.309 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458221.5 (2018-Apr-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793811894153394 6.6046e-08  
q 2.201261194502649 1.9302e-07 au
tp 2457960.735065753657
(2017-Jul-26.23506575)
0.00013817 TDB
node 166.0452097788722 3.8076e-05 deg
peri 1.799332025633222 4.8506e-05 deg
i 14.21681125915822 6.0577e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      2000-04-07  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56338  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:38:41  

Additional Information
 Jupiter MOID = 1.80703 au 
 T_jup = 3.309 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.362067205481157E-15 -1.264920758096074E-14 -1.004981517979681E-12 3.921692929382196E-14 -9.744424545811393E-14 -1.688595590302049E-17
q -1.264920758096074E-14 3.725785444414361E-14 4.872120045831637E-12 -1.24860049611811E-13 7.311673880526841E-13 7.703019401275633E-15
tp -1.004981517979681E-12 4.872120045831637E-12 1.909226420142328E-8 -1.228156128868857E-10 4.29377680318653E-9 4.916445762527688E-11
node 3.921692929382196E-14 -1.24860049611811E-13 -1.228156128868857E-10 1.449772132147419E-9 -1.430419592254844E-9 7.885630268979608E-11
peri -9.744424545811393E-14 7.311673880526841E-13 4.29377680318653E-9 -1.430419592254844E-9 2.352802669126002E-9 -6.55919742325208E-11
i -1.688595590302049E-17 7.703019401275633E-15 4.916445762527688E-11 7.885630268979608E-11 -6.55919742325208E-11 3.669518206320886E-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 16.57   n/a MPCxxxxx  

362215 (2009 HH66)          Discovered 2009-Apr-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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