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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602985227463859 5.4437e-08  
a 2.680028233880028 1.6028e-08 au
q 2.250423667070454 1.4589e-07 au
i 13.23519597399399 6.5289e-06 deg
node 235.7155153118845 1.9813e-05 deg
peri 190.2950102446665 2.5938e-05 deg
M 260.8748264874012 1.8951e-05 deg
tp 2459441.754289846515
(2021-Aug-15.25428985)
8.6746e-05 TDB
period 1602.534842721414
4.39
1.4376e-05
3.936e-08
d
yr
n .2246441015838696 2.0152e-09 deg/d
Q 3.109632800689602 1.8597e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56151  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:26:23  

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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