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JPL Small-Body Database Browser
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74724 (1999 RF169)
Classification: Main-belt Asteroid          SPK-ID: 2074724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221941962702203 4.3163e-08  
a 2.434413982647274 1.0602e-08 au
q 1.894115365308851 1.075e-07 au
i 4.984505983832438 6.7712e-06 deg
node 185.7272642788717 5.8059e-05 deg
peri 218.7112793286292 6.0402e-05 deg
M 23.09587276126181 1.6195e-05 deg
tp 2458511.493452552591
(2019-Jan-27.99345255)
6.2278e-05 TDB
period 1387.36290298633
3.80
9.0631e-06
2.481e-08
d
yr
n .2594850988339762 1.6951e-09 deg/d
Q 2.974712599985697 1.2955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      8550 days (23.41 yr)  
   first obs. used      1995-07-23  
   last obs. used      2018-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:22:05  

Additional Information
 Earth MOID = .905368 au 
 Jupiter MOID = 2.43524 au 
 T_jup = 3.466 
[ 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 16.6   n/a MPO412636  

74724 (1999 RF169)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RF169 = 1995 OZ13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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