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JPL Small-Body Database Browser
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447017 (2004 HH54)
Classification: Inner Main-belt Asteroid          SPK-ID: 2447017
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07202256318175035 6.513e-08  
a 1.883629668004034 1.0969e-08 au
q 1.747965831229194 1.2158e-07 au
i 23.06585320243642 8.4306e-06 deg
node 74.34646787713362 1.3931e-05 deg
peri 133.3244509361034 4.6486e-05 deg
M 301.3763293090356 4.4816e-05 deg
tp 2458754.266672872148
(2019-Sep-27.76667287)
0.00011788 TDB
period 944.2602549707829
2.59
8.2484e-06
2.258e-08
d
yr
n .381250823705525 3.3303e-09 deg/d
Q 2.019293504778874 1.1759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      5371 days (14.70 yr)  
   first obs. used      2004-04-26  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50427  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:42  

Additional Information
 Earth MOID = .763689 au 
 Jupiter MOID = 3.03027 au 
 T_jup = 3.867 
[ 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 17.7   n/a E2015T07  

447017 (2004 HH54)          Discovered 2004-Apr-26 by LINEAR at Socorro
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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