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541624 (2011 UR146)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541624
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2484745953002087 7.5004e-08  
a 3.992296907128816 7.1435e-08 au
q 3.000312548811708 3.0287e-07 au
i 2.359448418166382 8.3143e-06 deg
node 22.36932262609697 0.00019993 deg
peri 328.2865949802313 0.0002008 deg
M 101.0040887454756 1.6771e-05 deg
tp 2458383.035071391896
(2018-Sep-21.53507139)
0.00013023 TDB
period 2913.618428264866
7.98
7.8201e-05
2.141e-07
d
yr
n .1235577028576076 3.3163e-09 deg/d
Q 4.984281265445923 8.9185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6724 days (18.41 yr)  
   first obs. used      2002-08-20  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:53  

Additional Information
 Earth MOID = 1.99321 au 
 Jupiter MOID = .455301 au 
 T_jup = 2.999 
[ 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 15.77   n/a MPCxxxxx  

541624 (2011 UR146)          Discovered 2011-Oct-24 by Spacewatch at Kitt Peak
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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