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(2021 AY6)
Classification: Apollo [NEO]          SPK-ID: 54105995
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4136149664750405 0.00047902  
a 1.700769283807491 0.0014142 au
q .9973056535036771 1.4598e-05 au
i 7.840686906239704 0.0071099 deg
node 296.21159589678 0.00022899 deg
peri 172.9764130521781 0.00081156 deg
M 349.2827973139734 0.012924 deg
tp 2459224.618232424391
(2021-Jan-10.11823242)
0.0011952 TDB
period 810.1520450015549
2.22
1.0105
0.002767
d
yr
n .4443610334888546 0.00055425 deg/d
Q 2.404232914111306 0.0019992 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      3 days  
   first obs. used      2021-01-14  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .65423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jan-21 05:19:42  

Additional Information
 Earth MOID = .0154109 au 
 Jupiter MOID = 2.74023 au 
 T_jup = 4.091 
[ 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 28.15   .48671 E2021-BA4 autocmod 2.8

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2021-Jan-14 12:54 < 00:01 Earth 0.0155694416979517 0.0155207783464927 0.0156181028205437 6.87472398197139 6.84978535806572 2459229.037313413 0.370743390474672 2408.67885956187 29.5376680957883 -0.125486323760753 552.979781922566 T 4 CATAB v2.0f-lin.ifort 2021-Jan-21 05:19:43 2021-Jan-21 05:19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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