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277411 (2005 UR229)
Classification: Main-belt Asteroid          SPK-ID: 2277411
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570061049820093 7.615e-08  
a 2.329012404095982 1.4986e-08 au
q 1.963343238074087 1.8318e-07 au
i 2.804404399498221 8.4096e-06 deg
node 71.9211661540235 0.00020256 deg
peri 252.9533419621287 0.00020708 deg
M 99.47766292250316 3.8195e-05 deg
tp 2458641.760497062318
(2019-Jun-07.26049706)
0.0001394 TDB
period 1298.243417300378
3.55
1.253e-05
3.431e-08
d
yr
n .2772977665071463 2.6764e-09 deg/d
Q 2.694681570117878 1.7339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7618 days (20.86 yr)  
   first obs. used      1998-12-19  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:23:49  

Additional Information
 Earth MOID = .95351 au 
 Jupiter MOID = 2.61642 au 
 T_jup = 3.554 
[ 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 MPO341858  

277411 (2005 UR229)          Discovered 2005-Oct-25 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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