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541654 (2011 US259)
Classification: Main-belt Asteroid          SPK-ID: 2541654
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375873099466556 1.0613e-07  
a 2.60973324258477 3.8067e-08 au
q 2.250667066059169 2.5551e-07 au
i 14.75010774162345 6.6531e-06 deg
node 238.8286354687597 3.2153e-05 deg
peri 227.1528071932375 8.1743e-05 deg
M 61.3751066738958 6.9708e-05 deg
tp 2459133.967930241327
(2020-Oct-11.46793024)
0.00029497 TDB
period 1539.900298915818
4.22
3.3692e-05
9.224e-08
d
yr
n .2337813689973706 5.115e-09 deg/d
Q 2.968799419110371 4.3304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      3435 days (9.40 yr)  
   first obs. used      2011-10-24  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56347  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:29  

Additional Information
 Earth MOID = 1.29212 au 
 Jupiter MOID = 2.33595 au 
 T_jup = 3.351 
[ 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 17.11   n/a MPCxxxxx  

541654 (2011 US259)          Discovered 2011-Oct-24 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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