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71420 (2000 AP191)
Classification: Main-belt Asteroid          SPK-ID: 2071420
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602985002233759 4.1397e-08  
a 2.680028229060428 1.3888e-08 au
q 2.250423723385732 1.1633e-07 au
i 13.23519753662531 3.7648e-06 deg
node 235.7155112512717 1.9479e-05 deg
peri 190.2950158487945 2.5628e-05 deg
M 260.8748270397838 1.8892e-05 deg
tp 2459441.754286197305
(2021-Aug-15.25428620)
8.6352e-05 TDB
period 1602.534838398563
4.39
1.2456e-05
3.41e-08
d
yr
n .2246441021898491 1.7461e-09 deg/d
Q 3.109632734735125 1.6114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:56:16  

Additional Information
 Earth MOID = 1.26487 au 
 Jupiter MOID = 2.22935 au 
 T_jup = 3.321 
[ 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 14.6   n/a MPO439546  

71420 (2000 AP191)          Discovered 2000-Jan-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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