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JPL Small-Body Database Browser
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74718 (1999 RX165)
Classification: Main-belt Asteroid          SPK-ID: 2074718
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131751746558597 6.0335e-08  
a 2.378418474185057 1.5145e-08 au
q 2.10924054796444 1.4216e-07 au
i 5.318051020165877 6.1494e-06 deg
node 354.8260821394305 6.0932e-05 deg
peri 351.0248172941027 6.64e-05 deg
M 127.3119658224862 2.9822e-05 deg
tp 2458126.697274561786
(2018-Jan-08.19727456)
0.00010911 TDB
period 1339.771796435734
3.67
1.2797e-05
3.504e-08
d
yr
n .2687024767633764 2.5666e-09 deg/d
Q 2.647596400405674 1.6859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      495  
   data-arc span      7145 days (19.56 yr)  
   first obs. used      1999-08-12  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:22:19  

Additional Information
 Earth MOID = 1.10137 au 
 Jupiter MOID = 2.72698 au 
 T_jup = 3.525 
[ 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 15.8   n/a MPO319941  
diameter diameter 1.973 km 0.614 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.165   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74718 (1999 RX165)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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