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441443 (2008 HH46)
Classification: Main-belt Asteroid          SPK-ID: 2441443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2430517317432278 5.3989e-08  
a 2.224757444171694 1.4566e-08 au
q 1.684026294657126 1.2175e-07 au
i 6.326451130533123 7.8709e-06 deg
node 67.2750256560706 7.4791e-05 deg
peri 226.0272216990954 8.2563e-05 deg
M 187.9902341030115 2.8898e-05 deg
tp 2459579.625960917807
(2021-Dec-31.12596092)
9.7898e-05 TDB
period 1212.055285600854
3.32
1.1903e-05
3.259e-08
d
yr
n .2970161545242854 2.9169e-09 deg/d
Q 2.765488593686262 1.8106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      4647 days (12.72 yr)  
   first obs. used      2005-08-28  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58334  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:10  

Additional Information
 Earth MOID = .675422 au 
 Jupiter MOID = 2.44362 au 
 T_jup = 3.600 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456972.5 (2014-Nov-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431690119390883 5.3747e-08  
q 1.683293890640351 1.2118e-07 au
tp 2457156.263665571992
(2015-May-13.76366557)
9.7551e-05 TDB
node 67.29099403366777 7.4811e-05 deg
peri 226.1156180971878 8.2597e-05 deg
i 6.326386475160281 7.8715e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      4647 days (12.72 yr)  
   first obs. used      2005-08-28  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58334  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:10  

Additional Information
 Jupiter MOID = 2.44362 au 
 T_jup = 3.600 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.888768553229563E-15 -6.486281189794735E-15 -1.034511250429255E-12 -4.283990521873342E-14 -4.609669394227053E-13 -3.295393702488604E-15
q -6.486281189794735E-15 1.468418294331635E-14 2.172819129561585E-12 8.568438115971315E-14 9.76779041034462E-13 9.724038370800887E-15
tp -1.034511250429255E-12 2.172819129561585E-12 9.516272624786563E-9 3.47302906689375E-10 3.479688631096038E-9 -7.597343890914395E-11
node -4.283990521873342E-14 8.568438115971315E-14 3.47302906689375E-10 5.596734070892785E-9 -5.423867439479035E-9 -2.410135270496939E-10
peri -4.609669394227053E-13 9.76779041034462E-13 3.479688631096038E-9 -5.423867439479035E-9 6.822244952065124E-9 2.097419514514579E-10
i -3.295393702488604E-15 9.724038370800887E-15 -7.597343890914395E-11 -2.410135270496939E-10 2.097419514514579E-10 6.196014606159569E-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 18.1   n/a MPO450443  

441443 (2008 HH46)          Discovered 2008-Apr-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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