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74693 (1999 RG136)
Classification: Main-belt Asteroid          SPK-ID: 2074693
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1639111398880285 4.1803e-08  
a 2.331170013895233 8.9924e-09 au
q 1.949065279644874 9.7028e-08 au
i 7.403321379323241 4.0248e-06 deg
node 149.4805643582273 3.2766e-05 deg
peri 213.464631425365 3.4546e-05 deg
M 279.7380398585472 1.0673e-05 deg
tp 2459290.345531962635
(2021-Mar-16.84553196)
3.8817e-05 TDB
period 1300.0478847346
3.56
7.5223e-06
2.059e-08
d
yr
n .2769128770002903 1.6023e-09 deg/d
Q 2.713274748145592 1.0466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      978  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54679  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:21:58  

Additional Information
 Earth MOID = .950389 au 
 Jupiter MOID = 2.74138 au 
 T_jup = 3.542 
[ 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 15.6   n/a MPO436305  
diameter diameter 1.677 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.361   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

74693 (1999 RG136)          Discovered 1999-Sep-09 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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