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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168476944597685 4.1838e-08  
a 2.686806091779526 1.5433e-08 au
q 2.104178385316675 1.1285e-07 au
i 2.712533967117038 5.3004e-06 deg
node 255.007430776535 9.4007e-05 deg
peri 100.1514613232356 9.492e-05 deg
M 339.4151685887132 1.6241e-05 deg
tp 2459488.480915329380
(2021-Sep-30.98091533)
7.3109e-05 TDB
period 1608.617960330765
4.40
1.386e-05
3.795e-08
d
yr
n .2237945919278289 1.9282e-09 deg/d
Q 3.269433798242378 1.8779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      7962 days (21.80 yr)  
   first obs. used      1999-08-22  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:25:32  

Additional Information
 Earth MOID = 1.10084 au 
 Jupiter MOID = 2.19394 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457675.5 (2016-Oct-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162469010099909 4.1872e-08  
q 2.104804746611635 1.1279e-07 au
tp 2457882.906795009776
(2017-May-09.40679501)
6.4855e-05 TDB
node 255.038782067618 9.3926e-05 deg
peri 100.5471909107916 9.484e-05 deg
i 2.71397804497022 5.3029e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      7962 days (21.80 yr)  
   first obs. used      1999-08-22  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:25:32  

Additional Information
 Jupiter MOID = 2.19394 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.753283622360237E-15 -4.696428809909622E-15 8.473243687262149E-13 3.167713206602547E-15 1.823970608443142E-13 -4.0783307747137E-17
q -4.696428809909622E-15 1.272117327092421E-14 -1.856004783122738E-12 -1.258433091608792E-14 -4.085097487791522E-13 5.512101065897947E-16
tp 8.473243687262149E-13 -1.856004783122738E-12 4.206201160285352E-9 -7.160513997964231E-12 8.717889574223995E-10 5.77386570378459E-13
node 3.167713206602547E-15 -1.258433091608792E-14 -7.160513997964231E-12 8.822126109883377E-9 -8.813586824009421E-9 -1.431090185493922E-10
peri 1.823970608443142E-13 -4.085097487791522E-13 8.717889574223995E-10 -8.813586824009421E-9 8.99470715032817E-9 1.430891153609357E-10
i -4.0783307747137E-17 5.512101065897947E-16 5.77386570378459E-13 -1.431090185493922E-10 1.430891153609357E-10 2.812104713368941E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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