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JPL Small-Body Database Browser
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74610 (1999 RJ17)
Classification: Main-belt Asteroid          SPK-ID: 2074610
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 .231870235300646 3.7624e-08  
a 2.380813108411846 1.1935e-08 au
q 1.828773412757529 8.9804e-08 au
i 9.705393361612174 5.075e-06 deg
node 180.0134291951984 2.5955e-05 deg
peri 141.7435693361149 2.8533e-05 deg
M 140.112182265182 1.4066e-05 deg
tp 2458078.272447871575
(2017-Nov-20.77244787)
4.9972e-05 TDB
period 1341.79566492236
3.67
1.009e-05
2.762e-08
d
yr
n .2682971851908841 2.0175e-09 deg/d
Q 2.932852804066163 1.4702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      15092 days (41.32 yr)  
   first obs. used      1977-09-09  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58688  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:24:13  

Additional Information
 Earth MOID = .827285 au 
 Jupiter MOID = 2.45722 au 
 T_jup = 3.483 
[ 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 16.3   n/a MPO417341  
diameter diameter 3.071 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74610 (1999 RJ17)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RJ17 = 1977 RY13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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