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70242 (1999 RN74)
Classification: Main-belt Asteroid          SPK-ID: 2070242
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1215591242694934 2.9112e-08  
a 2.479505316465359 1.1669e-08 au
q 2.178098821574277 6.8937e-08 au
i 5.555229428620311 3.2589e-06 deg
node 134.9435011950485 5.4918e-05 deg
peri 197.3041376657703 5.9987e-05 deg
M 122.7982187503542 2.5825e-05 deg
tp 2458514.052966773513
(2019-Jan-30.55296677)		 0.00010124 TDB
period 1426.086906989685
3.90		 1.0067e-05
2.756e-08		 d
yr
n .2524390331581691 1.782e-09 deg/d
Q 2.780911811356441 1.3087e-08 au
   Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      7492 days (20.51 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52853  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:32  

Additional Information
 Earth MOID = 1.16803 au 
 Jupiter MOID = 2.54385 au 
 T_jup = 3.462 
[ 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 MPO502589  
diameter diameter 2.333 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.187   0.069 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

70242 (1999 RN74)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RN74 = 2001 BP81 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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