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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338192106337229 4.3316e-08  
a 2.697989713347148 1.5055e-08 au
q 2.336946859609129 1.1565e-07 au
i 13.54539090601893 5.1835e-06 deg
node 73.52984499145782 2.1461e-05 deg
peri 25.339534246147 3.0777e-05 deg
M 280.8225819740647 2.0611e-05 deg
tp 2459356.506310010498
(2021-May-22.00631001)
9.3175e-05 TDB
period 1618.672025422684
4.43
1.3548e-05
3.709e-08
d
yr
n .2224045355364643 1.8615e-09 deg/d
Q 3.059032567085167 1.7069e-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 = 1.36024 au 
 Jupiter MOID = 2.18091 au 
 T_jup = 3.316 
[ 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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