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86179 (1999 RW220)
Classification: Main-belt Asteroid          SPK-ID: 2086179
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06422413968258309 3.8671e-08  
a 2.997781324578871 2.6926e-08 au
q 2.805251398051278 1.1735e-07 au
i 9.586145541611675 5.8503e-06 deg
node 304.8487101560656 2.629e-05 deg
peri 102.830023945981 5.481e-05 deg
M 304.286084826537 4.7148e-05 deg
tp 2459293.899608039668
(2021-Mar-20.39960804)
0.00024856 TDB
period 1895.825460577039
5.19
2.5542e-05
6.993e-08
d
yr
n .1898908984429535 2.5584e-09 deg/d
Q 3.190311251106463 2.8655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7637 days (20.91 yr)  
   first obs. used      1999-09-05  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:59:39  

Additional Information
 Earth MOID = 1.83561 au 
 Jupiter MOID = 2.07109 au 
 T_jup = 3.230 
[ 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 14.6   n/a MPO348045  

86179 (1999 RW220)          Discovered 1999-Sep-05 by CSS at Catalina
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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