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JPL Small-Body Database Browser
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74381 (1998 XU15)
Classification: Main-belt Asteroid          SPK-ID: 2074381
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1065696651283523 5.0986e-08  
a 2.757961498035818 2.2913e-08 au
q 2.464046464753252 1.381e-07 au
i 8.061296688789016 5.5513e-06 deg
node 295.6170090572512 3.9846e-05 deg
peri 192.9033869543573 4.7324e-05 deg
M 116.3234561848509 2.629e-05 deg
tp 2458059.937988476751
(2017-Nov-02.43798848)
0.00012106 TDB
period 1672.941387153464
4.58
2.0848e-05
5.708e-08
d
yr
n .2151898463176559 2.6816e-09 deg/d
Q 3.051876531318384 2.5354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      7040 days (19.27 yr)  
   first obs. used      1998-12-15  
   last obs. used      2018-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .532  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 14:26:24  

Additional Information
 Earth MOID = 1.48034 au 
 Jupiter MOID = 2.022 au 
 T_jup = 3.320 
[ 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 15.3   n/a MPO436303  

74381 (1998 XU15)          Discovered 1998-Dec-15 by Klet at Klet
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XU15 = 2002 TL128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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