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390806 (2004 HD36)
Classification: Main-belt Asteroid          SPK-ID: 2390806
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168646191446545 1.0484e-07  
a 2.230873770162576 2.3298e-08 au
q 1.854645405226662 2.3153e-07 au
i 8.010875473734339 1.1278e-05 deg
node 173.4463818024437 6.2567e-05 deg
peri 71.98285047485656 7.4509e-05 deg
M 275.8701935486755 3.6821e-05 deg
tp 2459284.918807852067
(2021-Mar-11.41880785)
0.00012613 TDB
period 1217.057011607236
3.33
1.9065e-05
5.22e-08
d
yr
n .2957955104540148 4.6336e-09 deg/d
Q 2.60710213509849 2.7227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      5279 days (14.45 yr)  
   first obs. used      2004-03-31  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66249  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:11  

Additional Information
 Earth MOID = .86091 au 
 Jupiter MOID = 2.43563 au 
 T_jup = 3.611 
[ 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 18.2   n/a MPO455776  

390806 (2004 HD36)          Discovered 2004-Apr-21 by CSS at Catalina
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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