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541639 (2011 UR196)
Classification: Main-belt Asteroid          SPK-ID: 2541639
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100451972488848 4.7664e-08  
a 2.595768154581428 3.1289e-08 au
q 2.310116335998141 1.3128e-07 au
i 14.98616432434776 1.0553e-05 deg
node 28.18605926404214 2.3379e-05 deg
peri 50.08262321927003 8.746e-05 deg
M 40.02320726134973 8.0418e-05 deg
tp 2459030.673028807429
(2020-Jun-30.17302881)
0.0003398 TDB
period 1527.556480671302
4.18
2.7619e-05
7.562e-08
d
yr
n .235670500276228 4.261e-09 deg/d
Q 2.881419973164714 3.4732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      3425 days (9.38 yr)  
   first obs. used      2011-10-24  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:56  

Additional Information
 Earth MOID = 1.34948 au 
 Jupiter MOID = 2.46216 au 
 T_jup = 3.361 
[ 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 17.38   n/a MPCxxxxx  

541639 (2011 UR196)          Discovered 2011-Oct-24 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 UR196 = 2015 UA20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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