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136531 (2006 HA4)
Classification: Main-belt Asteroid          SPK-ID: 2136531
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 .05975574518057002 4.7422e-08  
a 2.252274702078309 1.0442e-08 au
q 2.117688348904273 1.0631e-07 au
i 5.733221139336845 5.386e-06 deg
node 178.4431438700107 3.7198e-05 deg
peri 229.6543535107523 5.2789e-05 deg
M 225.0469583239484 3.6722e-05 deg
tp 2459463.318426793750
(2021-Sep-05.81842679)
0.00012635 TDB
period 1234.611918164101
3.38
8.5861e-06
2.351e-08
d
yr
n .291589603747977 2.0279e-09 deg/d
Q 2.386861055252344 1.1066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      7343 days (20.10 yr)  
   first obs. used      1999-03-21  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5742  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:09:05  

Additional Information
 Earth MOID = 1.13106 au 
 Jupiter MOID = 2.79846 au 
 T_jup = 3.617 
[ 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 16.4   n/a MPO426850  

136531 (2006 HA4)          Discovered 2006-Apr-18 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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