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146506 (2001 SF56)
Classification: Main-belt Asteroid          SPK-ID: 2146506
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2869970158934466 3.0005e-08  
a 2.711733740074381 1.1934e-08 au
q 1.933474248775458 8.3529e-08 au
i 13.33586377951524 4.5297e-06 deg
node 177.7464918853707 1.6542e-05 deg
peri 283.1387997623042 1.9664e-05 deg
M 15.80006178995043 7.7946e-06 deg
tp 2458928.914464414107
(2020-Mar-20.41446441)
3.5308e-05 TDB
period 1631.056457469859
4.47
1.0767e-05
2.948e-08
d
yr
n .2207158423923854 1.4571e-09 deg/d
Q 3.489993231373303 1.5359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      682  
   data-arc span      6735 days (18.44 yr)  
   first obs. used      2001-08-24  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55472  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:48  

Additional Information
 Earth MOID = .999315 au 
 Jupiter MOID = 1.90362 au 
 T_jup = 3.265 
[ 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 MPO412892  

146506 (2001 SF56)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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