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(2021 AD)
Classification: Apollo [NEO]          SPK-ID: 54104075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459219.5 (2021-Jan-05.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4151892006852448 0.0028507  
a 1.584312112682736 0.0071307 au
q .9265228329820395 0.00034627 au
i 8.566407884116131 0.045794 deg
node 296.5956194050563 0.005989 deg
peri 206.2719312770506 0.015456 deg
M 343.6369108901391 0.1191 deg
tp 2459252.607191083429
(2021-Feb-07.10719108)
0.017477 TDB
period 728.3825633420239
1.99
4.9175
0.01346
d
yr
n .4942457688006957 0.0033368 deg/d
Q 2.242101392383433 0.010091 au
  Orbit Determination Parameters
   # obs. used (total)      28  
   data-arc span      9 days  
   first obs. used      2021-01-02  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .60786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:22:25  

Additional Information
 Earth MOID = .0199965 au 
 Jupiter MOID = 2.80144 au 
 T_jup = 4.277 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 8.126290806414249E-6 -9.870328897382972E-7 -4.97446727361012E-5 -1.705709181832224E-5 4.397019763067873E-5 .0001305434680176567
q -9.870328897382972E-7 1.199028438570351E-7 6.038211975957716E-6 2.07079316428693E-6 -5.344663141086871E-6 -1.585629749806806E-5
tp -4.97446727361012E-5 6.038211975957716E-6 .0003054304282532742 .0001046504548474449 -.0002682143773848391 -.0007990507899835637
node -1.705709181832224E-5 2.07079316428693E-6 .0001046504548474449 3.586756406921042E-5 -9.205470336930983E-5 -.0002739962949313406
peri 4.397019763067873E-5 -5.344663141086871E-6 -.0002682143773848391 -9.205470336930983E-5 .0002388946164108809 .0007064200430731332
i .0001305434680176567 -1.585629749806806E-5 -.0007990507899835637 -.0002739962949313406 .0007064200430731332 .0020971000387807

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 24.55   .53967 E2021-AD8 autocmod 2.8

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