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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1765363016301461 4.2526e-08  
a 2.47841466845038 9.8274e-09 au
q 2.040884508976245 1.084e-07 au
i .3380867004447907 3.7397e-06 deg
node 282.1593764574298 0.0006517 deg
peri 54.30654286636378 0.00065177 deg
M 293.0931633515296 1.0243e-05 deg
tp 2459465.366711327032
(2021-Sep-07.86671133)
4.1108e-05 TDB
period 1425.146081538909
3.90
8.4765e-06
2.321e-08
d
yr
n .2526056834898376 1.5024e-09 deg/d
Q 2.915944827924515 1.1562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      12306 days (33.69 yr)  
   first obs. used      1986-10-02  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56192  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:07:42  

Additional Information
 Earth MOID = 1.0295 au 
 Jupiter MOID = 2.45852 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 14.93   n/a E2021B10  

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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