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JPL Small-Body Database Browser
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74763 (1999 RU212)
Classification: Main-belt Asteroid          SPK-ID: 2074763
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138778686052544 6.2558e-08  
a 2.386866791355489 1.9191e-08 au
q 1.876368809375714 1.4275e-07 au
i 5.413910591492944 5.3835e-06 deg
node 273.1979069806974 4.9919e-05 deg
peri 75.64718907768304 5.2308e-05 deg
M 126.1928882545556 2.2251e-05 deg
tp 2458128.357516899033
(2018-Jan-09.85751690)		 7.8852e-05 TDB
period 1346.916583551706
3.69		 1.6245e-05
4.448e-08		 d
yr
n .2672771308901032 3.2235e-09 deg/d
Q 2.897364773335263 2.3296e-08 au
   Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1996-12-05  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:22:42  

Additional Information
 Earth MOID = .87784 au 
 Jupiter MOID = 2.5545 au 
 T_jup = 3.497 
[ 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 16.7   n/a MPO366106  
diameter diameter 2.816 km 0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74763 (1999 RU212)          Discovered 1999-Sep-08 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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