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118307 (1998 VM1)
Classification: Mars-crossing Asteroid          SPK-ID: 2118307
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 .2868318775577964 6.2676e-08  
a 2.301034173498627 1.0872e-08 au
q 1.641024221189364 1.4387e-07 au
i 8.475878545750138 7.0197e-06 deg
node 30.76550736823481 3.4651e-05 deg
peri 309.0600510483787 3.7768e-05 deg
M 107.2927937675801 1.8866e-05 deg
tp 2458620.528447872261
(2019-May-17.02844787)
6.5947e-05 TDB
period 1274.92028087462
3.49
9.0354e-06
2.474e-08
d
yr
n .2823705963427242 2.0012e-09 deg/d
Q 2.961044125807891 1.399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      704  
   data-arc span      8416 days (23.04 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:19:13  

Additional Information
 Earth MOID = .649438 au 
 Jupiter MOID = 2.4816 au 
 T_jup = 3.522 
[ 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 15.6   n/a MPO401046  

118307 (1998 VM1)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1998 VM1 = 2004 EU74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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