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150197 (1998 RS9)
Classification: Main-belt Asteroid          SPK-ID: 2150197
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09570225774875306 4.1334e-08  
a 2.290243106750833 9.5989e-09 au
q 2.07106167064126 9.6684e-08 au
i 2.996366530021592 4.5601e-06 deg
node 155.3558880807078 7.8538e-05 deg
peri 35.76483385752626 8.1897e-05 deg
M 299.9329078118634 2.3817e-05 deg
tp 2459411.729665655432
(2021-Jul-16.22966566)
8.4103e-05 TDB
period 1265.962390817616
3.47
7.9589e-06
2.179e-08
d
yr
n .2843686373396098 1.7878e-09 deg/d
Q 2.509424542860406 1.0518e-08 au
  Orbit Determination Parameters
   # obs. used (total)      414  
   data-arc span      8208 days (22.47 yr)  
   first obs. used      1998-09-13  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55937  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:31  

Additional Information
 Earth MOID = 1.07127 au 
 Jupiter MOID = 2.44444 au 
 T_jup = 3.591 
[ 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 17.1   n/a MPO396228  
diameter diameter 2.151 km 0.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150197 (1998 RS9)          Discovered 1998-Sep-13 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1998 RS9 = 2004 FW63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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