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74388 (1998 XG25)
Classification: Main-belt Asteroid          SPK-ID: 2074388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07359022547162442 5.7472e-08  
a 2.891236429049578 2.1159e-08 au
q 2.678469688344046 1.6918e-07 au
i 2.275910211722148 8.0377e-06 deg
node 173.1359223848417 0.00011545 deg
peri 227.0122886278612 0.00012467 deg
M 151.554264432846 4.8999e-05 deg
tp 2458244.556219791022
(2018-May-06.05621979)
0.00024161 TDB
period 1795.658880953611
4.92
1.9712e-05
5.397e-08
d
yr
n .2004835126640627 2.2009e-09 deg/d
Q 3.10400316975511 2.2717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      8743 days (23.94 yr)  
   first obs. used      1996-05-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55097  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:04:44  

Additional Information
 Earth MOID = 1.68679 au 
 Jupiter MOID = 2.2084 au 
 T_jup = 3.285 
[ 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 15.8   n/a MPO366102  

74388 (1998 XG25)          Discovered 1998-Dec-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XG25 = 1997 MA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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