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118312 (1998 VM39)
Classification: Main-belt Asteroid          SPK-ID: 2118312
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 .1964326557976389 6.9158e-08  
a 2.331458049135408 1.0116e-08 au
q 1.873483552662958 1.6671e-07 au
i 4.296363860496144 5.3172e-06 deg
node 194.1560798961952 5.3465e-05 deg
peri 147.2859927168889 5.5579e-05 deg
M 68.7128107828193 1.066e-05 deg
tp 2458752.315275004304
(2019-Sep-25.81527500)
3.8844e-05 TDB
period 1300.288839600058
3.56
8.4627e-06
2.317e-08
d
yr
n .2768615626284454 1.8019e-09 deg/d
Q 2.789432545607858 1.2103e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      8233 days (22.54 yr)  
   first obs. used      1997-05-02  
   last obs. used      2019-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:12:26  

Additional Information
 Earth MOID = .867191 au 
 Jupiter MOID = 2.62206 au 
 T_jup = 3.541 
[ 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 16.5   n/a MPO445872  

118312 (1998 VM39)          Discovered 1998-Nov-11 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 VM39 = 2004 GA52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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