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173751 (2001 RE46)
Classification: Main-belt Asteroid          SPK-ID: 2173751
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08003966493256144 6.6469e-08  
a 2.774270700142042 2.1328e-08 au
q 2.552219002870451 1.8636e-07 au
i 3.38956726303692 6.2876e-06 deg
node 321.4730170418532 9.3181e-05 deg
peri 31.62759490446582 9.9561e-05 deg
M 20.0269288607824 3.6147e-05 deg
tp 2458906.606931144072
(2020-Feb-27.10693114)
0.00016895 TDB
period 1687.802709197503
4.62
1.9463e-05
5.329e-08
d
yr
n .2132950717748099 2.4597e-09 deg/d
Q 2.996322397413634 2.3035e-08 au
  Orbit Determination Parameters
   # obs. used (total)      445  
   data-arc span      6453 days (17.67 yr)  
   first obs. used      2001-09-10  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56405  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:42:22  

Additional Information
 Earth MOID = 1.54727 au 
 Jupiter MOID = 2.36103 au 
 T_jup = 3.329 
[ 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 MPO348424  
diameter diameter 4.754 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173751 (2001 RE46)          Discovered 2001-Sep-12 by Tucker, R. A. at Goodricke-Pigott
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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