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277441 (2005 UN443)
Classification: Main-belt Asteroid          SPK-ID: 2277441
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597564387766602 8.1876e-08  
a 2.979922467924097 4.1536e-08 au
q 2.503860666617987 2.6078e-07 au
i 5.284176586027845 8.1255e-06 deg
node 343.9224842716512 7.6319e-05 deg
peri 355.9608762636105 8.0377e-05 deg
M 341.5554937846454 2.4396e-05 deg
tp 2459096.765441328358
(2020-Sep-04.26544133)
0.00012794 TDB
period 1878.909550278931
5.14
3.9284e-05
1.076e-07
d
yr
n .1916004950565911 4.006e-09 deg/d
Q 3.455984269230207 4.8172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      6355 days (17.40 yr)  
   first obs. used      2002-01-07  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60813  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:57  

Additional Information
 Earth MOID = 1.49528 au 
 Jupiter MOID = 1.93711 au 
 T_jup = 3.234 
[ 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 16.2   n/a MPO440345  

277441 (2005 UN443)          Discovered 2005-Oct-30 by LINEAR at Socorro
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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