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277409 (2005 UR217)
Classification: Main-belt Asteroid          SPK-ID: 2277409
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382111479699518 4.9468e-07  
a 2.526701432991162 2.4718e-08 au
q 2.177483127360131 1.2409e-06 au
i 4.804603469335945 1.7272e-05 deg
node 188.4319304705466 9.5231e-05 deg
peri 271.857600260361 0.00045526 deg
M 187.6604022931369 0.00042404 deg
tp 2459702.782571876896
(2022-May-03.28257188)
0.001724 TDB
period 1466.997307871831
4.02
2.1527e-05
5.894e-08
d
yr
n .2453992233443502 3.601e-09 deg/d
Q 2.875919738622193 2.8134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5844 days (16.00 yr)  
   first obs. used      2003-04-25  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 14:11:40  

Additional Information
 Earth MOID = 1.20064 au 
 Jupiter MOID = 2.28432 au 
 T_jup = 3.435 
[ 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 17.4   n/a MPO476189  

277409 (2005 UR217)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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