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9597 (1991 UF)
Classification: Main-belt Asteroid          SPK-ID: 2009597
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1341378322534145 7.3969e-08  
a 2.307633357746595 1.2461e-08 au
q 1.998092421502799 1.7262e-07 au
i 2.488791103381299 4.7547e-06 deg
node 275.7904714008449 0.00016152 deg
peri 101.2889009176685 0.00016217 deg
M 32.67786695640176 1.9525e-05 deg
tp 2457484.274924034123
(2016-Apr-05.77492403)
6.9035e-05 JED
period 1280.408767302329
3.51
1.0371e-05
2.839e-08
d
yr
n .2811602116396608 2.2773e-09 deg/d
Q 2.617174293990391 1.4132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      13761 days (37.68 yr)  
   first obs. used      1977-11-08  
   last obs. used      2015-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55242  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:28:23  

Additional Information
 Earth MOID = 1.00014 au 
 Jupiter MOID = 2.84844 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO344380  

9597 (1991 UF)          Discovered 1991-Oct-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19981110/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 UF = 1977 VS1 = 1984 UZ2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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