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74604 (1999 RU11)
Classification: Main-belt Asteroid          SPK-ID: 2074604
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355891455057948 4.1572e-08  
a 2.164363522085449 6.8773e-09 au
q 1.870899321561971 9.0265e-08 au
i .7392052729109362 3.4228e-06 deg
node 89.50863731659605 0.00033317 deg
peri 250.6980934714826 0.00033337 deg
M 181.4131891561354 1.2351e-05 deg
tp 2459577.453240036358
(2021-Dec-28.95324004)
4.0809e-05 TDB
period 1163.03754701505
3.18
5.5434e-06
1.518e-08
d
yr
n .3095342888318131 1.4753e-09 deg/d
Q 2.457827722608928 7.8098e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      8599 days (23.54 yr)  
   first obs. used      1996-10-04  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51877  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:54  

Additional Information
 Earth MOID = .86232 au 
 Jupiter MOID = 2.894 au 
 T_jup = 3.682 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO449470  

74604 (1999 RU11)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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