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27042 (1998 RD69)
Classification: Main-belt Asteroid          SPK-ID: 2027042
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269512401750895 3.3953e-08  
a 2.246644827084917 7.8217e-09 au
q 1.961430480053537 7.6979e-08 au
i .9417600222227724 3.518e-06 deg
node 69.02420301993915 0.00025376 deg
peri 165.3455332455212 0.00025421 deg
M 276.9518341441894 1.598e-05 deg
tp 2459284.244597673262
(2021-Mar-10.74459767)
5.5065e-05 TDB
period 1229.98568493042
3.37
6.4233e-06
1.759e-08
d
yr
n .2926863331912395 1.5285e-09 deg/d
Q 2.531859174116296 8.8147e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1343  
   data-arc span      8877 days (24.30 yr)  
   first obs. used      1995-10-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:01  

Additional Information
 Earth MOID = .950072 au 
 Jupiter MOID = 2.45912 au 
 T_jup = 3.619 
[ 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 15.5   n/a MPO452548  
diameter diameter 1.902 km 0.357 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.371   0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27042 (1998 RD69)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RD69 = 1995 TF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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