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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2790190396798267 8.8691e-08  
a 2.572222275983417 2.3782e-08 au
q 1.854523286695466 2.4178e-07 au
i 4.183859490902267 6.8676e-06 deg
node 287.1158773373996 7.8464e-05 deg
peri 53.36961408940862 8.0521e-05 deg
M 28.05258544692724 2.5705e-05 deg
tp 2458883.082842513982
(2020-Feb-03.58284251)
0.00010606 TDB
period 1506.819283197183
4.13
2.0897e-05
5.721e-08
d
yr
n .2389138525199576 3.3134e-09 deg/d
Q 3.289921265271368 3.0418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      7681 days (21.03 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 12:25:52  

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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