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(2021 AM2)
Classification: Aten [NEO]          SPK-ID: 54104844
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02147109569489679 5.8308e-07  
a .9652609547674754 7.6448e-07 au
q .9445357444371155 1.2912e-06 au
i 8.400573565964239 0.00089335 deg
node 108.1146228866306 8.7942e-05 deg
peri 178.9909016781951 0.0051006 deg
M 309.8108144635967 0.0056388 deg
tp 2459048.791776597903
(2020-Jul-18.29177660)
0.0053759 TDB
period 346.3901513730572
0.95
0.00041151
1.127e-06
d
yr
n 1.039290518431297 1.2347e-06 deg/d
Q .9859861650978352 7.809e-07 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5 days  
   first obs. used      2021-01-07  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .47925  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-15 06:48:39  

Additional Information
 Earth MOID = .00276094 au 
 Jupiter MOID = 3.99955 au 
 T_jup = 6.243 
[ 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 27.08   .59308 E2021D54 autocmod 2.8

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