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(2021 AX1)
Classification: Apollo [NEO]          SPK-ID: 54104556
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3382548136466327 0.0002486  
a 1.254156725937417 0.00032925 au
q .8299321763217846 9.3906e-05 au
i 2.453809127480111 0.0016536 deg
node 294.544704167264 0.00014488 deg
peri 244.6858872155264 0.0022854 deg
M 165.8308739247955 0.0817 deg
tp 2458764.186227696087
(2019-Oct-07.68622770)		 0.20948 TDB
period 513.0103702401594
1.40		 0.20202
0.0005531		 d
yr
n .7017402003617792 0.00027634 deg/d
Q 1.678381275553049 0.00044062 au
   Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      8 days  
   first obs. used      2021-01-04  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .37522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-28 06:47:26  

Additional Information
 Earth MOID = .0020799 au 
 Jupiter MOID = 3.28597 au 
 T_jup = 5.072 
[ 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 27.6   .68451 E2021D54 autocmod 2.8

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