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441922 (2010 HK45)
Classification: Main-belt Asteroid          SPK-ID: 2441922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420703129866031 8.8619e-08  
a 3.119804716727547 6.3188e-08 au
q 2.676573084164984 2.974e-07 au
i 14.65574156102158 6.9075e-06 deg
node 260.9048370702255 3.9393e-05 deg
peri 83.40611453347113 6.3407e-05 deg
M 252.3556819737074 3.8801e-05 deg
tp 2459602.335986005854
(2022-Jan-22.83598601)
0.00021732 TDB
period 2012.748642331376
5.51
6.1149e-05
1.674e-07
d
yr
n .1788598896199032 5.4339e-09 deg/d
Q 3.563036349290111 7.2165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      4982 days (13.64 yr)  
   first obs. used      2005-09-01  
   last obs. used      2019-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:27:49  

Additional Information
 Earth MOID = 1.71891 au 
 Jupiter MOID = 1.9496 au 
 T_jup = 3.151 
[ 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 16.0   n/a MPO472459  
diameter diameter 3.991 km 1.344 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441922 (2010 HK45)          Discovered 2010-Apr-23 by WISE at WISE
Reference: Last Updated: 2015-09-02

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