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(2021 AO)
Classification: Apollo [NEO]          SPK-ID: 54104255
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6447232066813879 0.00029056  
a 2.677884343326513 0.0022092 au
q .9513901623751608 7.3974e-06 au
i 4.158844762926375 0.0010187 deg
node 260.2028057035966 0.0031126 deg
peri 149.8775505003897 0.0031711 deg
M 48.52435516072097 0.060907 deg
tp 2459180.753666912860
(2020-Nov-27.25366691)
0.0038385 TDB
period 1600.61230394754
4.38
1.9807
0.005423
d
yr
n .2249139276963842 0.00027832 deg/d
Q 4.404378524277866 0.0036335 au
  Orbit Determination Parameters
   # obs. used (total)      77  
   data-arc span      28 days  
   first obs. used      2021-01-03  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .5352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:27  

Additional Information
 Earth MOID = .00699142 au 
 Jupiter MOID = 1.03271 au 
 T_jup = 3.037 
[ 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 22.8   .32743 E2021-AJ6 autocmod 2.8

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