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13781 (1998 UO15)
Classification: Main-belt Asteroid          SPK-ID: 2013781
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1764340087003899 4.4814e-08  
a 2.478255822834881 1.0258e-08 au
q 2.041007213427039 1.1425e-07 au
i .3381075806521706 3.9721e-06 deg
node 282.1603838978912 0.00067586 deg
peri 54.32841744157327 0.00067593 deg
M 242.5334559455662 1.0296e-05 deg
tp 2459465.474697642303
(2021-Sep-07.97469764)
4.1642e-05 TDB
period 1425.009073848808
3.90
8.8472e-06
2.422e-08
d
yr
n .2526299702974351 1.5685e-09 deg/d
Q 2.915504432242722 1.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1238  
   data-arc span      12259 days (33.56 yr)  
   first obs. used      1986-10-02  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56407  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:55:29  

Additional Information
 Earth MOID = 1.03152 au 
 Jupiter MOID = 2.45889 au 
 T_jup = 3.458 
[ 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 14.9   n/a MPO337375  

13781 (1998 UO15)          Discovered 1998-Oct-23 by Korlevic, K. at Visnjan
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 UO15 = 1986 TY18 = 1996 DQ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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