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JPL Small-Body Database Browser
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74378 (1998 XH11)
Classification: Main-belt Asteroid          SPK-ID: 2074378
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133154326256772 4.3235e-08  
a 2.699615873028688 1.5495e-08 au
q 2.340150340303465 1.1536e-07 au
i 13.54615753037461 5.1839e-06 deg
node 73.53675408845378 2.1451e-05 deg
peri 25.20431003444607 3.0901e-05 deg
M 191.9962712824782 2.0684e-05 deg
tp 2459356.580097737268
(2021-May-22.08009774)
9.3832e-05 TDB
period 1620.13567950667
4.44
1.3949e-05
3.819e-08
d
yr
n .2222036120515657 1.9131e-09 deg/d
Q 3.05908140575391 1.7558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1008  
   data-arc span      7256 days (19.87 yr)  
   first obs. used      1998-08-31  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53801  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:02:38  

Additional Information
 Earth MOID = 1.36341 au 
 Jupiter MOID = 2.18168 au 
 T_jup = 3.315 
[ 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 14.2   n/a MPO453156  

74378 (1998 XH11)          Discovered 1998-Dec-08 by Antonini, P. at Bedoin
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XH11 = 2000 GP93 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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