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74533 (1999 GS50)
Classification: Main-belt Asteroid          SPK-ID: 2074533
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 .03065748562363391 4.3917e-08  
a 3.149923523815624 2.3873e-08 au
q 3.0533547886687 1.3612e-07 au
i 10.13148666726439 5.0259e-06 deg
node 150.3824262442813 2.5998e-05 deg
peri 79.92039485325527 8.2305e-05 deg
M 183.4673988786954 7.7464e-05 deg
tp 2459601.815320687722
(2022-Jan-22.31532069)
0.00043955 TDB
period 2041.965694483141
5.59
2.3213e-05
6.355e-08
d
yr
n .1763007091512978 2.0042e-09 deg/d
Q 3.246492258962547 2.4604e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      8575 days (23.48 yr)  
   first obs. used      1995-08-03  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:20:06  

Additional Information
 Earth MOID = 2.06569 au 
 Jupiter MOID = 1.7693 au 
 T_jup = 3.183 
[ 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 14.2   n/a MPO417340  
diameter diameter 5.158 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74533 (1999 GS50)          Discovered 1999-Apr-10 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GS50 = 1999 HY12 = 2001 RR136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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