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175090 (2004 HN52)
Classification: Main-belt Asteroid          SPK-ID: 2175090
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08627732093843146 4.9206e-08  
a 2.981645360090172 2.8016e-08 au
q 2.724396986433087 1.4485e-07 au
i 13.6386561952071 4.9192e-06 deg
node 95.68811156068128 2.3431e-05 deg
peri 129.4033039710909 3.9643e-05 deg
M 84.52506393956196 3.0133e-05 deg
tp 2458758.964716468194
(2019-Oct-02.46471647)
0.00015828 TDB
period 1880.539270400388
5.15
2.6504e-05
7.256e-08
d
yr
n .1914344495041318 2.6981e-09 deg/d
Q 3.238893733747257 3.0433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      7695 days (21.07 yr)  
   first obs. used      1999-06-05  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54384  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:03:59  

Additional Information
 Earth MOID = 1.73318 au 
 Jupiter MOID = 1.86519 au 
 T_jup = 3.211 
[ 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 15.52   n/a E2021B55  

175090 (2004 HN52)          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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