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175086 (2004 HH22)
Classification: Main-belt Asteroid          SPK-ID: 2175086
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07457379710598711 6.0207e-08  
a 3.003417838317778 2.9592e-08 au
q 2.779441565818565 1.9649e-07 au
i 1.815685014387205 6.5489e-06 deg
node 185.8562941694785 0.00018136 deg
peri 126.1205856414663 0.00018828 deg
M 338.2796615033883 4.8285e-05 deg
tp 2459315.206003599796
(2021-Apr-10.70600360)		 0.00025478 TDB
period 1901.174850583852
5.21		 2.8098e-05
7.693e-08		 d
yr
n .1893565969955071 2.7985e-09 deg/d
Q 3.22739411081699 3.1799e-08 au
   Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      5933 days (16.24 yr)  
   first obs. used      2004-04-16  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:03:58  

Additional Information
 Earth MOID = 1.76371 au 
 Jupiter MOID = 1.96494 au 
 T_jup = 3.247 
[ 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 16.02   n/a E2021B55  

175086 (2004 HH22)          Discovered 2004-Apr-16 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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