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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2790855032914876 7.4259e-08  
a 2.572805078604866 2.005e-08 au
q 1.854772478371531 2.0137e-07 au
i 4.183747025190343 6.7795e-06 deg
node 287.1173758838511 7.6158e-05 deg
peri 53.40596275842527 7.8021e-05 deg
M 75.78936284217272 2.295e-05 deg
tp 2458883.167532569201
(2020-Feb-03.66753257)
9.2678e-05 TDB
period 1507.331424767165
4.13
1.762e-05
4.824e-08
d
yr
n .2388326774621638 2.7919e-09 deg/d
Q 3.2908376788382 2.5646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      7764 days (21.26 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-01-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:08  

Additional Information
 Earth MOID = .848007 au 
 Jupiter MOID = 2.13636 au 
 T_jup = 3.369 
[ 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 15.77   n/a MPCxxxxx  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1919-Dec-10 21:24 00:04 Iris 0.0110292326394555 0.0110135233246607 0.0110449928048986 5.32487031850305 5.32487022061747 2422303.391788987 4.11309317625849 1422.40119398984 78.8751984576136 56.6673941085154 17482.3324270173 T 10 CATAB v2.0f-lin.ifort 2021-Apr-13 20:02:09 2021-Apr-13 20:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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