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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343701035020737 8.7318e-08  
a 2.307264551065548 1.2823e-08 AU
q 1.997237174532205 2.0167e-07 AU
i 2.489095448397616 4.788e-06 deg
node 275.8013141622309 0.00017505 deg
peri 101.4369739516984 0.00017563 deg
M 167.5933183703702 1.879e-05 deg
tp 2456204.565241756093
(2012-Oct-04.06524176)
6.5286e-05 JED
period 1280.101826575776
3.50
1.0672e-05
2.922e-08
d
yr
n .2812276277762891 2.3445e-09 deg/d
Q 2.617291927598892 1.4546e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      13373 days (36.61 yr)  
   first obs. used      1977-11-08  
   last obs. used      2014-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56303  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:10  

Additional Information
 Earth MOID = .999215 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 (399)
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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