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541163 (2011 AD40)
Classification: Main-belt Asteroid          SPK-ID: 2541163
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554643754054415 8.9443e-08  
a 2.776463451886406 7.1318e-08 au
q 2.34482229550285 2.6971e-07 au
i 12.60498056321429 1.0974e-05 deg
node 285.5061038003849 6.71e-05 deg
peri 171.4900384675524 8.9198e-05 deg
M 70.48947210909661 5.802e-05 deg
tp 2458869.629440551024
(2020-Jan-21.12944055)
0.00026697 TDB
period 1689.804134400093
4.63
6.5108e-05
1.783e-07
d
yr
n .2130424424176271 8.2085e-09 deg/d
Q 3.208104608269962 8.2405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      3356 days (9.19 yr)  
   first obs. used      2010-11-15  
   last obs. used      2020-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:19  

Additional Information
 Earth MOID = 1.3622 au 
 Jupiter MOID = 1.96852 au 
 T_jup = 3.282 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   .25802 MPO535737 autocmod 2.8

541163 (2011 AD40)          Discovered 2010-Nov-15 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 AD40 = 2014 WA361 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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