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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986338143453536 3.5242e-08  
a 2.365631115348755 1.042e-08 au
q 1.895736783572978 8.4924e-08 au
i 3.325784039079975 4.0484e-06 deg
node 91.44977297866301 6.8522e-05 deg
peri 219.262418724319 6.9249e-05 deg
M 276.6295051659305 9.9636e-06 deg
tp 2459308.271811760341
(2021-Apr-03.77181176)
3.7191e-05 TDB
period 1328.981583403593
3.64
8.7805e-06
2.404e-08
d
yr
n .2708841149461384 1.7897e-09 deg/d
Q 2.835525447124532 1.2489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      10610 days (29.05 yr)  
   first obs. used      1991-04-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:53  

Additional Information
 Earth MOID = .882697 au 
 Jupiter MOID = 2.43258 au 
 T_jup = 3.519 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1992920943299072 3.5388e-08  
q 1.894049404002693 8.5307e-08 au
tp 2456647.900744581957
(2013-Dec-21.40074458)
3.6921e-05 TDB
node 91.52980568927302 6.8452e-05 deg
peri 218.8430341011735 6.9168e-05 deg
i 3.32738771591838 4.0511e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      10610 days (29.05 yr)  
   first obs. used      1991-04-10  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:53  

Additional Information
 Jupiter MOID = 2.43258 au 
 T_jup = 3.519 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.252343271746783E-15 -3.004771992740345E-15 -3.247747587869465E-14 1.21609023551028E-14 -2.193625423023941E-14 -3.107050080312486E-16
q -3.004771992740345E-15 7.277271779929055E-15 4.512749350712303E-15 -2.941778210841847E-14 3.896067312871833E-14 8.732120969875894E-16
tp -3.247747587869465E-14 4.512749350712303E-15 1.363142916781843E-9 -7.542485103233369E-12 3.806800200760932E-10 8.133762770060808E-13
node 1.21609023551028E-14 -2.941778210841847E-14 -7.542485103233369E-12 4.685733838113059E-9 -4.679296486395738E-9 -8.473607054641448E-12
peri -2.193625423023941E-14 3.896067312871833E-14 3.806800200760932E-10 -4.679296486395738E-9 4.784194923505716E-9 8.690309477240704E-12
i -3.107050080312486E-16 8.732120969875894E-16 8.133762770060808E-13 -8.473607054641448E-12 8.690309477240704E-12 1.641151355475361E-11

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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