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74612 (1999 RW17)
Classification: Main-belt Asteroid          SPK-ID: 2074612
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1055923815042629 3.9043e-08  
a 2.163476947742059 7.6676e-09 au
q 1.935030264500402 8.3937e-08 au
i 2.166545444165558 4.0811e-06 deg
node 311.0178983186497 9.6978e-05 deg
peri 348.2266561784147 9.9485e-05 deg
M 224.2366174175365 2.3975e-05 deg
tp 2459438.835842573438
(2021-Aug-12.33584257)
7.8199e-05 TDB
period 1162.323008787649
3.18
6.1791e-06
1.692e-08
d
yr
n .3097245750778822 1.6465e-09 deg/d
Q 2.391923630983717 8.4772e-09 au
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      8594 days (23.53 yr)  
   first obs. used      1996-10-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50468  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:16  

Additional Information
 Earth MOID = .91939 au 
 Jupiter MOID = 2.7645 au 
 T_jup = 3.687 
[ 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 16.4   n/a MPO453159  

74612 (1999 RW17)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RW17 = 1996 TV6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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