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JPL Small-Body Database Browser
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13973 (1991 UZ3)
Classification: Main-belt Asteroid          SPK-ID: 2013973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1706792853169018 5.1869e-08  
a 2.38536563566864 1.1189e-08 au
q 1.978233133753219 1.2336e-07 au
i 1.775288179541416 4.9496e-06 deg
node 130.674738748249 0.00020663 deg
peri 291.0591240030826 0.00020733 deg
M 150.6040750925124 1.7197e-05 deg
tp 2458037.556139604258
(2017-Oct-11.05613960)
6.2925e-05 TDB
period 1345.646122908549
3.68
9.4678e-06
2.592e-08
d
yr
n .2675294744073408 1.8823e-09 deg/d
Q 2.792498137584061 1.3098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      10053 days (27.52 yr)  
   first obs. used      1991-10-31  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53534  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:12:45  

Additional Information
 Earth MOID = .991668 au 
 Jupiter MOID = 2.52276 au 
 T_jup = 3.515 
[ 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 15.5   n/a MPO337376  

13973 (1991 UZ3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UZ3 = 1998 QD25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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