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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608462027417205 8.1835e-08  
a 2.97954583705128 4.0613e-08 au
q 2.50029720326668 2.6102e-07 au
i 5.282099894709554 8.1294e-06 deg
node 344.0537371752436 7.6388e-05 deg
peri 356.136014061382 8.0411e-05 deg
M 264.7459230148874 2.3868e-05 deg
tp 2459097.555181703350
(2020-Sep-05.05518170)
0.00012726 TDB
period 1878.553349912497
5.14
3.8408e-05
1.052e-07
d
yr
n .191636825228716 3.9182e-09 deg/d
Q 3.458794470835879 4.7145e-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 = 1.49087 au 
 Jupiter MOID = 1.93226 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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