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175091 (2004 HB53)
Classification: Outer Main-belt Asteroid          SPK-ID: 2175091
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05276126904051725 4.5269e-08  
a 3.200227878930498 3.2992e-08 au
q 3.031379794819282 1.4422e-07 au
i 20.62359154237962 5.2685e-06 deg
node 103.6841593310834 1.4511e-05 deg
peri 186.9909121482775 5.3446e-05 deg
M 243.735114946232 5.2177e-05 deg
tp 2459875.829698934007
(2022-Oct-23.32969893)
0.00030573 TDB
period 2091.075835182818
5.73
3.2336e-05
8.853e-08
d
yr
n .1721601837403118 2.6622e-09 deg/d
Q 3.369075963041714 3.4732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7057 days (19.32 yr)  
   first obs. used      2001-11-20  
   last obs. used      2021-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5629  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:03:59  

Additional Information
 Earth MOID = 2.01367 au 
 Jupiter MOID = 1.81086 au 
 T_jup = 3.092 
[ 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 14.66   n/a E2021B55  
diameter diameter 7.804 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

175091 (2004 HB53)          Discovered 2004-Apr-25 by CSS at Catalina
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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