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(2017 AO20)
Classification: Mars-crossing Asteroid          SPK-ID: 3766586
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5430483082851874 2.7165e-06  
a 2.951744132317774 4.3935e-07 au
q 1.348804474771879 8.1426e-06 au
i 10.11357838672844 9.5239e-05 deg
node 222.6151078187264 0.00026355 deg
peri 245.1652574383539 0.00043354 deg
M 288.0474744966334 0.00012598 deg
tp 2459570.720131796044
(2021-Dec-22.22013180)
0.00063275 TDB
period 1852.322020862769
5.07
0.00041356
1.132e-06
d
yr
n .1943506560659039 4.3392e-08 deg/d
Q 4.554683789863669 6.7794e-07 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      5470 days (14.98 yr)  
   first obs. used      2002-04-09  
   last obs. used      2017-03-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .34428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 18:22:55  

Additional Information
 Earth MOID = .407282 au 
 Jupiter MOID = .997627 au 
 T_jup = 3.008 
[ 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 18.4   n/a MPO435579  

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