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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359112144126844 5.6696e-08  
a 2.531140794568 1.759e-08 AU
q 2.187130375328776 1.4104e-07 AU
i 9.922764732681479 5.5712e-06 deg
node 240.2137512026991 3.5081e-05 deg
peri 323.8757751040664 4.1351e-05 deg
M 130.3891073099492 2.429e-05 deg
tp 2456467.764432109076
(2013-Jun-24.26443211)
9.8905e-05 JED
period 1470.865230980063
4.03
1.5332e-05
4.198e-08
d
yr
n .2447538988736077 2.5513e-09 deg/d
Q 2.875151213807224 1.998e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      10731 days (29.38 yr)  
   first obs. used      1985-04-15  
   last obs. used      2014-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:55:22  

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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