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173768 (2001 RB143)
Classification: Main-belt Asteroid          SPK-ID: 2173768
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08894076572363672 4.9284e-08  
a 2.983242862882287 2.8555e-08 au
q 2.717910958317962 1.4126e-07 au
i 10.1203860182422 5.3148e-06 deg
node 222.1311232110131 2.7956e-05 deg
peri 190.7262819697633 3.908e-05 deg
M 178.7148108502664 2.7596e-05 deg
tp 2458066.193463229799
(2017-Nov-08.69346323)
0.00014309 TDB
period 1882.05080282394
5.15
2.7022e-05
7.398e-08
d
yr
n .1912807026568224 2.7464e-09 deg/d
Q 3.248574767446612 3.1095e-08 au
  Orbit Determination Parameters
   # obs. used (total)      439  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:55  

Additional Information
 Earth MOID = 1.7292 au 
 Jupiter MOID = 2.1206 au 
 T_jup = 3.229 
[ 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 15.0   n/a MPO385763  

173768 (2001 RB143)          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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