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192663 (1999 RS169)
Classification: Main-belt Asteroid          SPK-ID: 2192663
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168401164975456 4.22e-08  
a 2.685677423578725 1.5577e-08 au
q 2.103314818175086 1.1348e-07 au
i 2.713962323233011 5.3588e-06 deg
node 255.0346780794806 9.4444e-05 deg
peri 100.2662173773441 9.5435e-05 deg
M 295.4274017325602 1.6898e-05 deg
tp 2459488.853322975467
(2021-Oct-01.35332298)
7.7185e-05 TDB
period 1607.604449200426
4.40
1.3986e-05
3.829e-08
d
yr
n .2239356827975023 1.9483e-09 deg/d
Q 3.268040028982364 1.8955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7609 days (20.83 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:04  

Additional Information
 Earth MOID = 1.09917 au 
 Jupiter MOID = 2.1953 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457651.5 (2016-Sep-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .216235592314113 4.2268e-08  
q 2.10480221225536 1.1345e-07 au
tp 2457882.914224225168
(2017-May-09.41422423)
6.8185e-05 TDB
node 255.039018320721 9.4426e-05 deg
peri 100.5490832057881 9.5419e-05 deg
i 2.713998201917135 5.3596e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7609 days (20.83 yr)  
   first obs. used      1999-08-22  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:04  

Additional Information
 Jupiter MOID = 2.1953 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.786592530443802E-15 -4.767126997169241E-15 9.684271890843436E-13 2.869019644271519E-15 2.05342765699546E-13 -1.269824133181519E-17
q -4.767126997169241E-15 1.28710690497864E-14 -2.113226778551052E-12 -1.215510774362753E-14 -4.57039362052982E-13 5.077119409317716E-16
tp 9.684271890843436E-13 -2.113226778551052E-12 4.649161975821981E-9 -8.746855341368672E-12 9.562520853644065E-10 7.178070494973783E-13
node 2.869019644271519E-15 -1.215510774362753E-14 -8.746855341368672E-12 8.916300357851743E-9 -8.907959087125488E-9 -1.506339611380394E-10
peri 2.05342765699546E-13 -4.57039362052982E-13 9.562520853644065E-10 -8.907959087125488E-9 9.104785201453539E-9 1.506324675079063E-10
i -1.269824133181519E-17 5.077119409317716E-16 7.178070494973783E-13 -1.506339611380394E-10 1.506324675079063E-10 2.872498840764055E-11

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 16.15   n/a E2021B55  
diameter diameter 3.690 km 1.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192663 (1999 RS169)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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