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71401 (2000 AL170)
Classification: Main-belt Asteroid          SPK-ID: 2071401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914762301720237 3.8433e-08  
a 2.750668579830809 1.503e-08 au
q 2.223980929712171 1.0842e-07 au
i 9.202119671613278 5.0076e-06 deg
node 152.7239469302819 2.9922e-05 deg
peri 280.5492535409834 3.3589e-05 deg
M 88.98689099082264 1.3823e-05 deg
tp 2458188.611790923390
(2018-Mar-11.11179092)
6.3433e-05 TDB
period 1666.310100471673
4.56
1.3658e-05
3.739e-08
d
yr
n .2160462208673504 1.7708e-09 deg/d
Q 3.277356229949446 1.7908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:26:23  

Additional Information
 Earth MOID = 1.26057 au 
 Jupiter MOID = 2.07406 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .192265029172808 3.8368e-08  
q 2.221572944354573 1.0832e-07 au
tp 2456523.228021984457
(2013-Aug-18.72802198)
6.2785e-05 TDB
node 152.7347929654639 2.9925e-05 deg
peri 280.7589863060855 3.3563e-05 deg
i 9.202473350210331 5.0079e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      818  
   data-arc span      8443 days (23.12 yr)  
   first obs. used      1996-03-12  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59052  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:26:23  

Additional Information
 Jupiter MOID = 2.07406 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.472078333789759E-15 -4.130562729876752E-15 -8.191495848822806E-13 9.222068505554425E-16 -2.102179500405336E-13 -2.605369944044101E-15
q -4.130562729876752E-15 1.173362355910336E-14 2.184424737142136E-12 4.731586308684771E-16 5.692464694225343E-13 8.415895545999995E-15
tp -8.191495848822806E-13 2.184424737142136E-12 3.941931769648347E-9 -1.180334181823916E-11 9.803668311241731E-10 1.558398610098441E-12
node 9.222068505554425E-16 4.731586308684771E-16 -1.180334181823916E-11 8.954893768503366E-10 -8.861540806440453E-10 5.859440633264922E-11
peri -2.102179500405336E-13 5.692464694225343E-13 9.803668311241731E-10 -8.861540806440453E-10 1.126482005865806E-9 -5.733318709696343E-11
i -2.605369944044101E-15 8.415895545999995E-15 1.558398610098441E-12 5.859440633264922E-11 -5.733318709696343E-11 2.507882670538694E-11

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 15.1   n/a MPO296646  
diameter diameter 5.848 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71401 (2000 AL170)          Discovered 2000-Jan-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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