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9625 (1993 HF)
Classification: Main-belt Asteroid          SPK-ID: 2009625
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358072800036548 6.5729e-08  
a 2.531312851936271 1.9444e-08 AU
q 2.187542138676512 1.6806e-07 AU
i 9.922848526960871 6.6426e-06 deg
node 240.2208824607648 3.5536e-05 deg
peri 323.8861324125467 4.1919e-05 deg
M 81.43283438597781 2.4327e-05 deg
tp 2456467.752950226539
(2013-Jun-24.25295023)
9.9139e-05 JED
period 1471.015209303251
4.03
1.695e-05
4.641e-08
d
yr
n .2447289448288673 2.8198e-09 deg/d
Q 2.87508356519603 2.2085e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      10669 days (29.21 yr)  
   first obs. used      1985-04-15  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54335  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:15  

Additional Information
 Earth MOID = 1.19096 AU 
 T_jup = 3.417 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO267746  

9625 (1993 HF)          Discovered 1993-Apr-16 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 19981110/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 HF = 1985 GW1 = 1991 XJ 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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