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541793 (2011 YA44)
Classification: Main-belt Asteroid          SPK-ID: 2541793
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013197695028659 2.2006e-07  
a 2.640973891025243 4.7961e-08 au
q 2.109293636020954 5.5065e-07 au
i 14.46398005444802 7.7357e-06 deg
node 282.4613593521051 3.4101e-05 deg
peri 222.0732147972894 7.8651e-05 deg
M 5.593006946898519 6.0199e-05 deg
tp 2459176.145038551199
(2020-Nov-22.64503855)
0.00026154 TDB
period 1567.633690573264
4.29
4.2703e-05
1.169e-07
d
yr
n .2296454855268851 6.2557e-09 deg/d
Q 3.172654146029532 5.7617e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      4726 days (12.94 yr)  
   first obs. used      2008-03-01  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:24:27  

Additional Information
 Earth MOID = 1.14473 au 
 Jupiter MOID = 1.99195 au 
 T_jup = 3.322 
[ 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 17.21   n/a MPCxxxxx  

541793 (2011 YA44)          Discovered 2008-Mar-01 by CSS at Catalina
Reference: Last Updated: 2019-12-13

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