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541658 (2011 UD273)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541658
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039654572158149 5.8493e-08  
a 3.389004641815386 5.4739e-08 au
q 3.03666522472253 1.9235e-07 au
i 20.98772726323042 1.1245e-05 deg
node 335.3000587893883 1.7654e-05 deg
peri 107.5326716740663 6.5072e-05 deg
M 98.41792920879988 5.8729e-05 deg
tp 2458577.513845950986
(2019-Apr-04.01384595)
0.0003706 TDB
period 2278.802422085424
6.24
5.5211e-05
1.512e-07
d
yr
n .1579777151853952 3.8275e-09 deg/d
Q 3.741344058908241 6.043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      7331 days (20.07 yr)  
   first obs. used      2001-02-21  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52143  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:29  

Additional Information
 Earth MOID = 2.12952 au 
 Jupiter MOID = 1.51737 au 
 T_jup = 3.034 
[ 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 15.55   .30509 E2021B25 autocmod 2.8

541658 (2011 UD273)          Discovered 2011-Aug-31 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Alternate Designations
 2011 UD273 = 2017 PO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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