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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4136149665754832 0.00047902  
a 1.700769284151358 0.0014142 au
q .9973056535344852 1.4598e-05 au
i 7.840686921447757 0.0071099 deg
node 296.21159601 0.00022899 deg
peri 172.9764129156068 0.00081156 deg
M 349.2827973005839 0.012924 deg
tp 2459224.618232461837
(2021-Jan-10.11823246)
0.0011952 TDB
period 810.1520452472531
2.22
1.0105
0.002767
d
yr
n .4443610333540914 0.00055425 deg/d
Q 2.40423291476823 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .65423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:23:00  

Additional Information
 Earth MOID = .0154109 au 
 Jupiter MOID = 2.74023 au 
 T_jup = 4.091 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459229.5 (2021-Jan-15.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4146403111893728 0.00047726  
q .9973265417630056 1.4544e-05 au
tp 2459224.732025990253
(2021-Jan-10.23202599)
0.00090556 TDB
node 296.17362812471 0.00034773 deg
peri 173.1501253855765 0.00079913 deg
i 7.874029996949452 0.0070318 deg
  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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .65423  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:23:00  

Additional Information
 Jupiter MOID = 2.74023 au 
 T_jup = 4.091 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.277787058133015E-7 6.936516744710298E-9 3.039402469100558E-7 1.658645624830726E-7 -1.225392091895766E-7 3.355643645749722E-6
q 6.936516744710298E-9 2.11523397087845E-10 9.59482037249083E-9 5.053622306887185E-9 -3.333418454082112E-9 1.022354121460849E-7
tp 3.039402469100558E-7 9.59482037249083E-9 8.200316142014321E-7 2.240775848974642E-7 3.236351550862973E-7 4.530425406785764E-6
node 1.658645624830726E-7 5.053622306887185E-9 2.240775848974642E-7 1.209166477678982E-7 -8.610714514720743E-8 2.443559872196394E-6
peri -1.225392091895766E-7 -3.333418454082112E-9 3.236351550862973E-7 -8.610714514720743E-8 6.386100374106924E-7 -1.742869109784505E-6
i 3.355643645749722E-6 1.022354121460849E-7 4.530425406785764E-6 2.443559872196394E-6 -1.742869109784505E-6 4.944585212703894E-5

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 0.0155694416960195 0.0155207783444595 0.0156181028187117 6.87472398285198 6.84978535894197 2459229.037313918 0.370744500485812 2408.67886454736 29.5376678348058 -0.12548649911033 552.979781104652 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:23:00 2021-Apr-15 23:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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