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JPL Small-Body Database Browser
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74719 (1999 RT166)
Classification: Main-belt Asteroid          SPK-ID: 2074719
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278245616340727 2.9792e-08  
a 2.226066602128554 8.3926e-09 au
q 1.941520614543222 6.4587e-08 au
i 4.348379897296944 3.2868e-06 deg
node 95.75796889015047 6.193e-05 deg
peri 179.6935479235438 6.4749e-05 deg
M 24.04319359461454 1.9133e-05 deg
tp 2458519.479426988653
(2019-Feb-04.97942699)
6.4426e-05 TDB
period 1213.125293414359
3.32
6.8605e-06
1.878e-08
d
yr
n .2967541786114893 1.6782e-09 deg/d
Q 2.510612589713886 9.4654e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      15739 days (43.09 yr)  
   first obs. used      1976-10-22  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:49:33  

Additional Information
 Earth MOID = .92462 au 
 Jupiter MOID = 2.58242 au 
 T_jup = 3.631 
[ 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 15.5   n/a MPO449471  

74719 (1999 RT166)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RT166 = 1976 UP14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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