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173224 (1998 UF17)
Classification: Main-belt Asteroid          SPK-ID: 2173224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627815540127473 9.9177e-08  
a 2.60246122061816 1.5443e-08 au
q 2.178828538868025 2.5821e-07 au
i 8.36239701554547 8.6362e-06 deg
node 15.77999759186644 3.492e-05 deg
peri 6.047074428243312 4.002e-05 deg
M 58.68011128672715 1.5567e-05 deg
tp 2458750.544179003906
(2019-Sep-24.04417900)
6.6611e-05 TDB
period 1533.468386228968
4.20
1.3649e-05
3.737e-08
d
yr
n .2347619313400355 2.0896e-09 deg/d
Q 3.026093902368296 1.7957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      7786 days (21.32 yr)  
   first obs. used      1998-10-01  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48338  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:01:00  

Additional Information
 Earth MOID = 1.18183 au 
 Jupiter MOID = 2.43808 au 
 T_jup = 3.380 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO502964  

173224 (1998 UF17)          Discovered 1998-Oct-17 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 UF17 = 2002 RU20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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