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(2021 AS5)
Classification: Apollo [NEO]          SPK-ID: 54105513
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3179152851902241 7.6359e-05  
a 1.456930102954111 0.00016693 au
q .9937497537712321 2.6133e-06 au
i .9975607385932804 0.00023901 deg
node 168.311285646817 0.0013909 deg
peri 295.0009672570039 0.0013046 deg
M 349.0075420731428 0.0017207 deg
tp 2459220.113216091989
(2021-Jan-05.61321609)
0.00030186 TDB
period 642.3274794497744
1.76
0.1104
0.0003023
d
yr
n .5604617761463053 9.6325e-05 deg/d
Q 1.920110452136989 0.00022 au
  Orbit Determination Parameters
   # obs. used (total)      70  
   data-arc span      36 days  
   first obs. used      2021-01-12  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .32766  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:54  

Additional Information
 Earth MOID = .0185967 au 
 Jupiter MOID = 3.23078 au 
 T_jup = 4.575 
[ 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 26.26   .3097 E2021B55 autocmod 2.8

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