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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363320694886053 4.8795e-08  
a 2.530252933193001 1.4766e-08 au
q 2.185298314481186 1.2352e-07 au
i 9.925180816316416 5.1757e-06 deg
node 240.2055783760045 2.665e-05 deg
peri 323.9202051648518 3.3208e-05 deg
M 277.2516984050954 2.3603e-05 deg
tp 2457938.409903449636
(2017-Jul-03.90990345)
9.7404e-05 JED
period 1470.091384321047
4.02
1.2869e-05
3.523e-08
d
yr
n .2448827357533721 2.1437e-09 deg/d
Q 2.875207551904817 1.6779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      11304 days (30.95 yr)  
   first obs. used      1985-04-15  
   last obs. used      2016-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:05:57  

Additional Information
 Earth MOID = 1.188 au 
 Jupiter MOID = 2.13157 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 13.6 mag n/a MPO347602  

9625 (1993 HF)          Discovered 1993-Apr-16 by Ueda, S., Kaneda, H. at Kushiro
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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