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541775 (2011 YS12)
Classification: Main-belt Asteroid          SPK-ID: 2541775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2004900841446307 5.7605e-08  
a 2.648920843906979 2.2636e-08 au
q 2.117838481019603 1.6115e-07 au
i 1.672098203415882 6.1148e-06 deg
node 237.457473030645 0.00018464 deg
peri 174.2299702764727 0.00018598 deg
M 67.95031020189946 1.9596e-05 deg
tp 2458903.271232323059
(2020-Feb-23.77123232)
8.3636e-05 TDB
period 1574.714759149221
4.31
2.0185e-05
5.526e-08
d
yr
n .2286128315673495 2.9304e-09 deg/d
Q 3.180003206794355 2.7175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      6710 days (18.37 yr)  
   first obs. used      2002-11-04  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58589  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:35  

Additional Information
 Earth MOID = 1.12791 au 
 Jupiter MOID = 2.19488 au 
 T_jup = 3.362 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.54   n/a MPCxxxxx  

541775 (2011 YS12)          Discovered 2002-Nov-04 by NEAT at Palomar
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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