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173771 (2001 RF152)
Classification: Main-belt Asteroid          SPK-ID: 2173771
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2342783838269997 4.4426e-08  
a 3.061232206905922 2.7024e-08 au
q 2.344051672952843 1.3778e-07 au
i 8.042359254139715 5.7958e-06 deg
node 68.69551801223092 4.8136e-05 deg
peri 228.1968763969113 5.0388e-05 deg
M 143.2893320643715 1.5231e-05 deg
tp 2457821.828651227419
(2017-Mar-09.32865123)
8.2098e-05 TDB
period 1956.333256073782
5.36
2.5905e-05
7.092e-08
d
yr
n .184017727492142 2.4367e-09 deg/d
Q 3.778412740859001 3.3355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      6380 days (17.47 yr)  
   first obs. used      2001-07-19  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:16:59  

Additional Information
 Earth MOID = 1.33672 au 
 Jupiter MOID = 1.48485 au 
 T_jup = 3.176 
[ 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 15.4   n/a MPO433116  
diameter diameter 5.482 km 1.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173771 (2001 RF152)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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