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173773 (2001 RF154)
Classification: Main-belt Asteroid          SPK-ID: 2173773
[ 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 .1064249252060382 4.8651e-08  
a 2.982057001849274 2.6039e-08 au
q 2.664691808467322 1.4065e-07 au
i 9.202732322576416 4.8479e-06 deg
node 296.2980952813994 3.3606e-05 deg
peri 123.7254387563605 4.0867e-05 deg
M 164.6405873628145 2.4028e-05 deg
tp 2458140.285529524387
(2018-Jan-21.78552952)		 0.00012341 TDB
period 1880.928720746072
5.15		 2.4636e-05
6.745e-08		 d
yr
n .1913948125887544 2.5069e-09 deg/d
Q 3.299422195231225 2.8811e-08 au
   Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      21822 days (59.75 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:17:38  

Additional Information
 Earth MOID = 1.6913 au 
 Jupiter MOID = 1.99642 au 
 T_jup = 3.231 
[ 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 15.3   n/a MPO338380  

173773 (2001 RF154)          Discovered 2001-Sep-15 by NEAT at Palomar
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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