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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03043951121413504 4.2678e-08  
a 3.150088769917622 2.3202e-08 au
q 3.054201607480194 1.3343e-07 au
i 10.1326375799522 4.835e-06 deg
node 150.3688377426548 2.5336e-05 deg
peri 80.28536200293692 7.995e-05 deg
M 253.6003738367485 7.5649e-05 deg
tp 2459604.059676125663
(2022-Jan-24.55967613)
0.00042968 TDB
period 2042.126379954179
5.59
2.2562e-05
6.177e-08
d
yr
n .1762868368646595 1.9477e-09 deg/d
Q 3.245975932355051 2.3908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8948 days (24.50 yr)  
   first obs. used      1995-08-03  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:18:16  

Additional Information
 Earth MOID = 2.06651 au 
 Jupiter MOID = 1.7687 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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