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JPL Small-Body Database Browser
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74687 (1999 RA126)
Classification: Main-belt Asteroid          SPK-ID: 2074687
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730029069837726 4.8655e-08  
a 2.263261383911105 1.0127e-08 au
q 1.871710585230367 1.1227e-07 au
i 3.404433549184125 4.8054e-06 deg
node 290.9006586542343 8.6399e-05 deg
peri 27.01918110183378 8.7341e-05 deg
M 291.4500955227725 1.3409e-05 deg
tp 2458837.312624143677
(2019-Dec-19.81262414)
4.6609e-05 TDB
period 1243.656651922027
3.40
8.347e-06
2.285e-08
d
yr
n .289468961906514 1.9428e-09 deg/d
Q 2.654812182591842 1.1879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1999-09-05  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55324  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:51  

Additional Information
 Earth MOID = .858224 au 
 Jupiter MOID = 2.62817 au 
 T_jup = 3.596 
[ 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 15.7   n/a MPO436305  

74687 (1999 RA126)          Discovered 1999-Sep-09 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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