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JPL Small-Body Database Browser
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74318 (1998 UB16)
Classification: Main-belt Asteroid          SPK-ID: 2074318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353838342292628 5.5308e-08  
a 2.661536060022797 1.4247e-08 au
q 2.301207103277465 1.4385e-07 au
i 12.71794614169867 5.6344e-06 deg
node 51.69773856432511 2.1791e-05 deg
peri 155.6028935623787 2.7552e-05 deg
M 87.60986040383801 1.6122e-05 deg
tp 2458214.535424347244
(2018-Apr-06.03542435)
7.1001e-05 TDB
period 1585.977270075698
4.34
1.2734e-05
3.486e-08
d
yr
n .2269893817474555 1.8225e-09 deg/d
Q 3.021865016768129 1.6175e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      7734 days (21.17 yr)  
   first obs. used      1998-09-18  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5166  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:11  

Additional Information
 Earth MOID = 1.30105 au 
 Jupiter MOID = 1.95861 au 
 T_jup = 3.337 
[ 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 14.2   n/a MPO453156  

74318 (1998 UB16)          Discovered 1998-Oct-22 by ODAS at Caussols
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 UB16 = 1999 XC16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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