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344863 (2004 HP50)
Classification: Main-belt Asteroid          SPK-ID: 2344863
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09523250165363414 4.4829e-08  
a 2.245704156392771 1.5228e-08 au
q 2.031840131605523 9.792e-08 au
i 8.639629602673415 6.296e-06 deg
node 120.6386669438215 3.3666e-05 deg
peri 102.4692382883894 5.24e-05 deg
M 278.3144152536579 4.1043e-05 deg
tp 2459279.413902701945
(2021-Mar-05.91390270)
0.00014154 TDB
period 1229.213272874275
3.37
1.2503e-05
3.423e-08
d
yr
n .2928702511958811 2.979e-09 deg/d
Q 2.459568181180019 1.6679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      5769 days (15.79 yr)  
   first obs. used      2004-04-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:06:59  

Additional Information
 Earth MOID = 1.04295 au 
 Jupiter MOID = 2.55155 au 
 T_jup = 3.610 
[ 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 16.8   n/a MPO418779  

344863 (2004 HP50)          Discovered 2004-Apr-23 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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