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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082823699758193 5.1163e-08  
a 2.75461130225675 2.2518e-08 au
q 2.456335462086212 1.3877e-07 au
i 8.071795322239224 5.5459e-06 deg
node 295.5930792803279 3.96e-05 deg
peri 193.1280125708992 4.6766e-05 deg
M 202.1620439980444 2.5913e-05 deg
tp 2459732.646283045626
(2022-Jun-02.14628305)
0.00012271 TDB
period 1669.894039258591
4.57
2.0476e-05
5.606e-08
d
yr
n .215582540889741 2.6434e-09 deg/d
Q 3.052887142427289 2.4956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      489  
   data-arc span      7839 days (21.46 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:38  

Additional Information
 Earth MOID = 1.47226 au 
 Jupiter MOID = 2.01954 au 
 T_jup = 3.321 
[ 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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