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74730 (1999 RU175)
Classification: Main-belt Asteroid          SPK-ID: 2074730
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316776616294982 3.2317e-08  
a 2.37068903156162 9.3424e-09 au
q 2.058522243434886 7.6657e-08 au
i 1.98383667373489 4.0946e-06 deg
node 236.3341160285907 0.00011126 deg
peri 238.3549391972707 0.00011275 deg
M 135.1989539328257 1.6424e-05 deg
tp 2458499.795905301235
(2019-Jan-16.29590530)		 6.0853e-05 TDB
period 1333.24607068421
3.65		 7.8811e-06
2.158e-08		 d
yr
n .2700176718430163 1.5961e-09 deg/d
Q 2.682855819688353 1.0573e-08 au
   Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      8745 days (23.94 yr)  
   first obs. used      1995-06-04  
   last obs. used      2019-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:21:15  

Additional Information
 Earth MOID = 1.07578 au 
 Jupiter MOID = 2.40666 au 
 T_jup = 3.532 
[ 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 15.7   n/a MPO474634  
diameter diameter 4.099 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74730 (1999 RU175)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RU175 = 2001 FL33 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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