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(2021 AS2)
Classification: Apollo [NEO]          SPK-ID: 54104849
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459222.5 (2021-Jan-08.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .776812146880596 0.0060316  
a 2.267617091097387 0.050561 au
q .5061045902588939 0.0023931 au
i .8266260782249234 0.0049775 deg
node 108.640526942725 0.00033284 deg
peri 96.78024829395528 0.039115 deg
M 346.8667975649304 0.49719 deg
tp 2459268.001021538155
(2021-Feb-22.50102154)		 0.20073 TDB
period 1247.248554548679
3.41		 41.715
0.1142		 d
yr
n .2886353314959481 0.0096536 deg/d
Q 4.02912959193588 0.089838 au
   Orbit Determination Parameters
   # obs. used (total)      15  
   first obs. used      2021-01-08  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .29799  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-08 13:12:03  

Additional Information
 Earth MOID = .000156885 au 
 Jupiter MOID = .930421 au 
 T_jup = 3.126 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 29.507   .41304 1 autocmod 2.8

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