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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198337053745177 3.8848e-08  
a 2.366202419844769 1.1365e-08 au
q 1.896896803328049 9.1939e-08 au
i 3.325797080414502 4.644e-06 deg
node 91.45072525230901 6.874e-05 deg
peri 219.224906343239 6.9666e-05 deg
M 168.3238185285404 1.0233e-05 deg
tp 2457978.888068139093
(2017-Aug-13.38806814)
3.8071e-05 TDB
period 1329.463039908302
3.64
9.5779e-06
2.622e-08
d
yr
n .2707860160029952 1.9508e-09 deg/d
Q 2.835508036361489 1.3619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      10159 days (27.81 yr)  
   first obs. used      1991-04-10  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54792  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:00:02  

Additional Information
 Earth MOID = .883037 au 
 Jupiter MOID = 2.43013 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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