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74739 (1999 RG184)
Classification: Main-belt Asteroid          SPK-ID: 2074739
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986338125674642 3.4847e-08  
a 2.365631114940245 1.034e-08 au
q 1.895736787451443 8.4152e-08 au
i 3.325784989499915 3.9763e-06 deg
node 91.44977873900189 6.8368e-05 deg
peri 219.2624134436979 6.9081e-05 deg
M 276.629504970181 9.9444e-06 deg
tp 2459308.271812403251
(2021-Apr-03.77181240)
3.7135e-05 TDB
period 1328.98158305935
3.64
8.7137e-06
2.386e-08
d
yr
n .270884115016305 1.7761e-09 deg/d
Q 2.835525442429046 1.2394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      10638 days (29.13 yr)  
   first obs. used      1991-04-10  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53462  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:33  

Additional Information
 Earth MOID = .882697 au 
 Jupiter MOID = 2.43258 au 
 T_jup = 3.519 
[ 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 15.9   n/a MPO426453  
diameter diameter 1.461 km 0.387 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.361   0.223 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74739 (1999 RG184)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RG184 = 2002 GG14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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