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312567 (2009 HJ10)
Classification: Main-belt Asteroid          SPK-ID: 2312567
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 .04808993367378572 3.7719e-08  
a 2.33774498962725 1.6961e-08 au
q 2.225322988129851 9.0843e-08 au
i 9.040956333051845 4.4164e-06 deg
node 119.6934989564648 2.7121e-05 deg
peri 349.7310155384587 6.0377e-05 deg
M 144.572036135246 5.3252e-05 deg
tp 2458476.204746497959
(2018-Dec-23.70474650)
0.00019201 TDB
period 1305.551864014448
3.57
1.4208e-05
3.89e-08
d
yr
n .2757454605388362 3.0009e-09 deg/d
Q 2.450166991124649 1.7777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6218 days (17.02 yr)  
   first obs. used      2002-05-18  
   last obs. used      2019-05-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61086  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:03  

Additional Information
 Earth MOID = 1.24235 au 
 Jupiter MOID = 2.60036 au 
 T_jup = 3.548 
[ 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 16.7   n/a MPO418616  

312567 (2009 HJ10)          Discovered 2009-Apr-18 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2009 HJ10 = 2005 ES241 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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