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JPL Small-Body Database Browser
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441442 (2008 HW43)
Classification: Main-belt Asteroid          SPK-ID: 2441442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302485166028447 7.2317e-08  
a 2.170731306353647 2.1159e-08 au
q 1.887996773757729 1.6578e-07 au
i 2.837066857890544 5.7483e-06 deg
node 71.76763413842963 0.00014405 deg
peri 237.7796774470952 0.00014739 deg
M 78.06444635890431 2.479e-05 deg
tp 2458347.186512183423
(2018-Aug-16.68651218)
8.1662e-05 TDB
period 1168.17398787029
3.20
1.708e-05
4.676e-08
d
yr
n .3081732719081682 4.5057e-09 deg/d
Q 2.453465838949565 2.3914e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      5848 days (16.01 yr)  
   first obs. used      2002-08-10  
   last obs. used      2018-08-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64228  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:15:57  

Additional Information
 Earth MOID = .874424 au 
 Jupiter MOID = 2.76107 au 
 T_jup = 3.676 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.3   n/a MPO456091  

441442 (2008 HW43)          Discovered 2008-Apr-01 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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