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JPL Small-Body Database Browser
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88213 (2001 AF2)
Classification: Aten [NEO]          SPK-ID: 2088213
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 87 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5953116214670561 7.097e-08  
a .95396469751138 3.7442e-09 au
q .3860584266135507 6.8624e-08 au
i 17.81337148474642 9.4935e-06 deg
node 114.2670485248004 1.3333e-05 deg
peri 194.9779891352575 1.3494e-05 deg
M 61.81466648132364 1.7335e-05 deg
tp 2458942.063269197948
(2020-Apr-02.56326920)
1.6177e-05 TDB
period 340.3273735221879
0.93
2.0036e-06
5.486e-09
d
yr
n 1.057805007790622 6.2276e-09 deg/d
Q 1.52187096840921 5.9732e-09 au
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      6624 days (18.14 yr)  
   first obs. used      2001-01-02  
   last obs. used      2019-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50892  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:09:39  

Additional Information
 Earth MOID = .172427 au 
 Jupiter MOID = 3.76179 au 
 T_jup = 6.110 
[ 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 19.4   n/a MPO351461  
diameter diameter 0.912 km 0.419 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.028   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

88213 (2001 AF2)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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