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160629 (1999 UQ45)
Classification: Main-belt Asteroid          SPK-ID: 2160629
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2790190271562427 9.6946e-08  
a 2.57222227795575 2.6533e-08 au
q 1.854523320330922 2.6443e-07 au
i 4.183859920015272 7.3351e-06 deg
node 287.1158799873936 8.623e-05 deg
peri 53.36960212076234 8.8247e-05 deg
M 28.05258975774368 2.7996e-05 deg
tp 2458883.082824335539
(2020-Feb-03.58282434)
0.00011546 TDB
period 1506.819284930285
4.13
2.3315e-05
6.383e-08
d
yr
n .2389138522451654 3.6967e-09 deg/d
Q 3.289921235580578 3.3936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      1999-10-03  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57155  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:58:37  

Additional Information
 Earth MOID = .849583 au 
 Jupiter MOID = 2.13663 au 
 T_jup = 3.370 
[ 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 15.8   n/a MPO436810  

160629 (1999 UQ45)          Discovered 1999-Oct-31 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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