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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343187797770714 8.2698e-08  
a 2.30741208405114 1.2631e-08 AU
q 1.997483308478521 1.9161e-07 AU
i 2.489079783541146 4.7763e-06 deg
node 275.8006398915202 0.00017081 deg
peri 101.4001638435135 0.0001714 deg
M 223.8827168319825 1.8952e-05 deg
tp 2457484.557487651854
(2016-Apr-06.05748765)
6.898e-05 JED
period 1280.22460850594
3.51
1.0512e-05
2.878e-08
d
yr
n .2812006562037038 2.3089e-09 deg/d
Q 2.617340859623758 1.4327e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      13739 days (37.62 yr)  
   first obs. used      1977-11-08  
   last obs. used      2015-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55343  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:02:33  

Additional Information
 Earth MOID = 1.00076 AU 
 T_jup = 3.574 
[ 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 14.2 mag n/a MPO256935  

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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