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18050 (1999 RS196)
Classification: Main-belt Asteroid          SPK-ID: 2018050
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03974138034256168 2.2508e-08  
a 2.987909348648547 1.5235e-08 au
q 2.86916570679481 6.7211e-08 au
i 8.976029734405511 1.0877e-06 deg
node 214.9036705347143 5.1819e-06 deg
peri 12.30565843181115 2.7175e-05 deg
M 161.0975460531084 3.0037e-05 deg
tp 2458356.318215636233
(2018-Aug-25.81821564)
0.00015464 TDB
period 1886.468477122356
5.16
1.4429e-05
3.95e-08
d
yr
n .1908327673458656 1.4596e-09 deg/d
Q 3.106652990502285 1.5841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2525  
   data-arc span      14205 days (38.89 yr)  
   first obs. used      1982-04-29  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:39:52  

Additional Information
 Earth MOID = 1.85932 au 
 Jupiter MOID = 1.86748 au 
 T_jup = 3.237 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457211.5 (2015-Jul-08.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03874152297704928 2.3165e-08  
q 2.873896374110477 6.9052e-08 au
tp 2456489.045789676180
(2013-Jul-15.54578968)
0.00014403 TDB
node 214.965786574395 5.1736e-06 deg
peri 16.37325610191068 2.6149e-05 deg
i 8.980921667215274 1.0887e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2525  
   data-arc span      14205 days (38.89 yr)  
   first obs. used      1982-04-29  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45735  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:39:52  

Additional Information
 Jupiter MOID = 1.86748 au 
 T_jup = 3.237 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.366387486870443E-16 -1.563508055639369E-15 1.926071394105922E-12 -1.010154066483364E-14 3.331677804047683E-13 4.928940722849308E-15
q -1.563508055639369E-15 4.768194198345875E-15 -5.055177744211276E-12 2.945977419944288E-14 -8.552865053174532E-13 -1.453197033853267E-14
tp 1.926071394105922E-12 -5.055177744211276E-12 2.074516877037147E-8 1.811088595184918E-11 3.690110413641028E-9 -5.033451325381898E-11
node -1.010154066483364E-14 2.945977419944288E-14 1.811088595184918E-11 2.676624363956397E-11 -2.250178638310871E-11 -1.854143115361521E-12
peri 3.331677804047683E-13 -8.552865053174532E-13 3.690110413641028E-9 -2.250178638310871E-11 6.837680475794563E-10 -7.376133271942225E-12
i 4.928940722849308E-15 -1.453197033853267E-14 -5.033451325381898E-11 -1.854143115361521E-12 -7.376133271942225E-12 1.185198923857343E-12

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 13.03   n/a MPCxxxxx  
diameter diameter 7.924 km 1.484 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.213   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

18050 (1999 RS196)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RS196 = 1982 HD2 = 1989 SW7 = 1998 ML12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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