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277434 (2005 UQ387)
Classification: Main-belt Asteroid          SPK-ID: 2277434
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079408536428153 5.4046e-08  
a 2.395961017093567 1.782e-08 au
q 2.13733893961358 1.2659e-07 au
i 2.495244740423102 5.6108e-06 deg
node 273.0416074834694 0.00013597 deg
peri 354.6691096525583 0.00013943 deg
M 117.8996078058383 2.8569e-05 deg
tp 2458556.862848566437
(2019-Mar-14.36284857)
0.00010851 TDB
period 1354.621762432819
3.71
1.5113e-05
4.138e-08
d
yr
n .2657568407534379 2.9649e-09 deg/d
Q 2.654583094573555 1.9744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      6487 days (17.76 yr)  
   first obs. used      2001-11-17  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61152  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:23:49  

Additional Information
 Earth MOID = 1.12133 au 
 Jupiter MOID = 2.41281 au 
 T_jup = 3.520 
[ 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 17.2   n/a MPO248570  

277434 (2005 UQ387)          Discovered 2005-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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