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175093 (2004 HP55)
Classification: Main-belt Asteroid          SPK-ID: 2175093
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08520635879883802 4.1913e-08  
a 2.744836767344802 2.1061e-08 au
q 2.510959220902178 1.1478e-07 au
i 10.5730825743553 4.1143e-06 deg
node 117.9855565179737 2.365e-05 deg
peri 114.0964186745641 3.3817e-05 deg
M 215.2225730362947 2.5731e-05 deg
tp 2459868.492465227154
(2022-Oct-15.99246523)
0.00012075 TDB
period 1661.013685110327
4.55
1.9118e-05
5.234e-08
d
yr
n .2167351197808393 2.4946e-09 deg/d
Q 2.978714313787426 2.2856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      7056 days (19.32 yr)  
   first obs. used      2001-09-21  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:04:00  

Additional Information
 Earth MOID = 1.51939 au 
 Jupiter MOID = 2.09829 au 
 T_jup = 3.318 
[ 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 15.7   n/a MPO439998  
diameter diameter 5.012 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175093 (2004 HP55)          Discovered 2004-Apr-24 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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