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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359112104638412 5.5772e-08  
a 2.531140795625559 1.7397e-08 AU
q 2.187130386237679 1.3822e-07 AU
i 9.922764699217696 5.3871e-06 deg
node 240.2137508507753 3.5056e-05 deg
peri 323.8757751187891 4.1311e-05 deg
M 130.3891070759547 2.4284e-05 deg
tp 2456467.764432731236
(2013-Jun-24.26443273)
9.8894e-05 JED
period 1470.865231901896
4.03
1.5164e-05
4.152e-08
d
yr
n .2447538987202135 2.5234e-09 deg/d
Q 2.875151205013438 1.9762e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      10744 days (29.42 yr)  
   first obs. used      1985-04-15  
   last obs. used      2014-09-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .538  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:15:42  

Additional Information
 Earth MOID = 1.19166 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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