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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 ]

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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 .113463514994517 5.4772e-08  
a 2.377874339797945 1.2826e-08 au
q 2.108072358989204 1.3183e-07 au
i 5.318915606774976 6.0308e-06 deg
node 354.8232030507632 5.113e-05 deg
peri 350.9800557011911 5.751e-05 deg
M 234.8714287872335 3.0156e-05 deg
tp 2459466.017232363688
(2021-Sep-08.51723236)
0.00011418 TDB
period 1339.312053407586
3.67
1.0836e-05
2.967e-08
d
yr
n .2687947137368464 2.1748e-09 deg/d
Q 2.647676320606686 1.4281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      7564 days (20.71 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55041  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:07:52  

Additional Information
 Earth MOID = 1.10111 au 
 Jupiter MOID = 2.7296 au 
 T_jup = 3.526 
[ 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 MPO468694  
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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