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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345459397750537 4.4434e-08  
a 3.060563188590812 2.5802e-08 au
q 2.342720519281845 1.3751e-07 au
i 8.041437328696084 5.0956e-06 deg
node 68.68756866433584 4.3843e-05 deg
peri 228.264033318559 4.5521e-05 deg
M 216.8153241819772 1.4053e-05 deg
tp 2459778.347557396505
(2022-Jul-17.84755740)
8.0382e-05 TDB
period 1955.691969569656
5.35
2.4731e-05
6.771e-08
d
yr
n .1840780683264844 2.3278e-09 deg/d
Q 3.778405857899779 3.1854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      352  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2001-07-19  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:08:53  

Additional Information
 Earth MOID = 1.3361 au 
 Jupiter MOID = 1.48713 au 
 T_jup = 3.177 
[ 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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