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74668 (1999 RJ96)
Classification: Main-belt Asteroid          SPK-ID: 2074668
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033677712543691 5.4675e-08  
a 2.380517014816249 1.5611e-08 au
q 1.896396575079965 1.2974e-07 au
i 2.102708442347477 4.6907e-06 deg
node 129.8405439302486 0.00015914 deg
peri 202.0464011148785 0.00015988 deg
M 248.4995923414621 2.1054e-05 deg
tp 2459416.007929531878
(2021-Jul-20.50792953)
8.1541e-05 TDB
period 1341.545360888392
3.67
1.3196e-05
3.613e-08
d
yr
n .2683472437798171 2.6397e-09 deg/d
Q 2.864637454552534 1.8786e-08 au
  Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      9547 days (26.14 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58521  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:33  

Additional Information
 Earth MOID = .886015 au 
 Jupiter MOID = 2.49722 au 
 T_jup = 3.509 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO468694  
diameter diameter 1.372 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.311   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74668 (1999 RJ96)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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