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362211 (2009 HK51)
Classification: Main-belt Asteroid          SPK-ID: 2362211
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738791243407023 7.103e-08  
a 2.595611640127904 2.6904e-08 au
q 2.14428896101393 1.8962e-07 au
i 13.82794659799681 6.4875e-06 deg
node 57.78601405457336 4.3896e-05 deg
peri 235.7386065444884 5.3278e-05 deg
M 268.5142869354528 3.1368e-05 deg
tp 2459784.658207104118
(2022-Jul-24.15820710)
0.00013371 TDB
period 1527.418324420688
4.18
2.3748e-05
6.502e-08
d
yr
n .2356918168678768 3.6644e-09 deg/d
Q 3.046934319241878 3.1582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5811 days (15.91 yr)  
   first obs. used      2005-05-13  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:49:17  

Additional Information
 Earth MOID = 1.16054 au 
 Jupiter MOID = 2.18184 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457323.5 (2015-Oct-28.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751274960379113 7.1163e-08  
q 2.140080897883501 1.901e-07 au
tp 2456729.583063828760
(2014-Mar-13.08306383)
0.00013519 TDB
node 57.84923784623049 4.3936e-05 deg
peri 235.6028938418355 5.3221e-05 deg
i 13.82570547687982 6.4867e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      143  
   data-arc span      5811 days (15.91 yr)  
   first obs. used      2005-05-13  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .669  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:49:17  

Additional Information
 Jupiter MOID = 2.18184 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.064174539339132E-15 -1.343993218330999E-14 6.778756854145893E-12 1.972170102964231E-13 1.495416769453342E-12 -3.754417495403737E-14
q -1.343993218330999E-14 3.613805966425723E-14 -1.828627024825875E-11 -5.128158364755044E-13 -4.006643272333907E-12 1.007897925390142E-13
tp 6.778756854145893E-12 -1.828627024825875E-11 1.827545323439262E-8 4.00073420693879E-10 4.253124985283517E-9 -7.886906714384173E-11
node 1.972170102964231E-13 -5.128158364755044E-13 4.00073420693879E-10 1.930370110943164E-9 -1.773468549575625E-9 -1.442028861609542E-10
peri 1.495416769453342E-12 -4.006643272333907E-12 4.253124985283517E-9 -1.773468549575625E-9 2.832526753299038E-9 1.206085074929743E-10
i -3.754417495403737E-14 1.007897925390142E-13 -7.886906714384173E-11 -1.442028861609542E-10 1.206085074929743E-10 4.207707222230184E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.67   n/a MPCxxxxx  

362211 (2009 HK51)          Discovered 2009-Apr-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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