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181366 (2006 RW99)
Classification: Main-belt Asteroid          SPK-ID: 2181366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2246126127275702 5.2691e-08  
a 2.376710561378964 1.6952e-08 au
q 1.842871392490425 1.3127e-07 au
i 9.757241893451694 9.1552e-06 deg
node 336.0736629267934 2.8781e-05 deg
peri 61.52445198934038 3.6281e-05 deg
M 282.2540562278853 2.2991e-05 deg
tp 2459489.526797021523
(2021-Oct-02.02679702)
8.7318e-05 TDB
period 1338.328945272485
3.66
1.4318e-05
3.92e-08
d
yr
n .2689921646480595 2.8779e-09 deg/d
Q 2.910549730267504 2.0759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1999-11-01  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:19  

Additional Information
 Earth MOID = .870444 au 
 Jupiter MOID = 2.61293 au 
 T_jup = 3.487 
[ 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 17.05   n/a E2021B55  
diameter diameter 1.241 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.240   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

181366 (2006 RW99)          Discovered 2006-Sep-14 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2006 RW99 = 1999 XM114 = 2004 BD81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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