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JPL Small-Body Database Browser
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154695 (2004 HD50)
Classification: Main-belt Asteroid          SPK-ID: 2154695
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167416668733073 4.2115e-08  
a 2.345880664156772 1.2445e-08 au
q 1.953141138118317 9.5667e-08 au
i 1.978068732383807 6.9032e-06 deg
node 352.9068682709245 0.00012194 deg
peri 258.9580463663007 0.00012388 deg
M 151.5243064593179 2.268e-05 deg
tp 2458448.121070052429
(2018-Nov-25.62107005)
8.0799e-05 TDB
period 1312.373040522814
3.59
1.0443e-05
2.859e-08
d
yr
n .2743122487921466 2.1828e-09 deg/d
Q 2.738620190195228 1.4528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      7172 days (19.64 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56211  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 17:59:10  

Additional Information
 Earth MOID = .940002 au 
 Jupiter MOID = 2.3045 au 
 T_jup = 3.541 
[ 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 16.9   n/a MPO341500  

154695 (2004 HD50)          Discovered 2004-Apr-23 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

Alternate Designations
 2004 HD50 = 2001 SF186 = 2004 GN71 = 2004 HD63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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