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(2021 AP6)
Classification: Apollo [NEO]          SPK-ID: 54105986
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2923088499828793 9.6708e-05  
a 1.383690997015397 0.00018571 au
q .9792258729461625 2.3896e-06 au
i 1.08944047104981 0.00032704 deg
node 346.4039004687817 0.00086364 deg
peri 155.3317309241456 0.00061245 deg
M 207.3684688008105 0.030591 deg
tp 2459252.557056329135
(2021-Feb-07.05705633)
0.00022776 TDB
period 594.5071740128789
1.63
0.11969
0.0003277
d
yr
n .6055435758159602 0.00012191 deg/d
Q 1.788156121084631 0.00023999 au
  Orbit Determination Parameters
   # obs. used (total)      26  
   data-arc span      45 days  
   first obs. used      2021-01-03  
   last obs. used      2021-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .42062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-19 05:21:35  

Additional Information
 Earth MOID = .0018969 au 
 Jupiter MOID = 3.23106 au 
 T_jup = 4.747 
[ 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 26.8   .40588 E2021D54 autocmod 2.8

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