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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1987700713819134 3.4836e-08  
a 2.366018719012479 1.0272e-08 au
q 1.895725009343425 8.4184e-08 au
i 3.325713369405477 3.9761e-06 deg
node 91.45016536737103 6.8368e-05 deg
peri 219.2347282526848 6.908e-05 deg
M 330.836427272664 1.0011e-05 deg
tp 2459308.187158442106
(2021-Apr-03.68715844)
3.7124e-05 TDB
period 1329.308223022352
3.64
8.6564e-06
2.37e-08
d
yr
n .2708175528934094 1.7636e-09 deg/d
Q 2.836312428681533 1.2313e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53466  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:15:24  

Additional Information
 Earth MOID = .88069 au 
 Jupiter MOID = 2.43134 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 16.02   n/a E2021B10  
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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