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JPL Small-Body Database Browser
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344978 (2004 XX118)
Classification: Main-belt Asteroid          SPK-ID: 2344978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972577624226095 1.059e-07  
a 2.574499123605301 3.0562e-08 au
q 2.06665918712395 2.8825e-07 au
i 5.258709838430089 9.0763e-06 deg
node 281.886292023993 0.00010091 deg
peri 186.8101553553308 0.00010543 deg
M 164.8335114422343 3.7797e-05 deg
tp 2457909.655094891588
(2017-Jun-05.15509489)
0.00014922 TDB
period 1508.820407106273
4.13
2.6867e-05
7.356e-08
d
yr
n .2385969849721443 4.2486e-09 deg/d
Q 3.082339060086652 3.659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      7693 days (21.06 yr)  
   first obs. used      1997-03-04  
   last obs. used      2018-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68121  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 16:33:56  

Additional Information
 Earth MOID = 1.08374 au 
 Jupiter MOID = 2.0561 au 
 T_jup = 3.394 
[ 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 17.4   n/a MPO440553  

344978 (2004 XX118)          Discovered 2004-Dec-12 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2004 XX118 = 1997 EN20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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