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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2869280127030711 6.2656e-08  
a 2.301009880062693 1.0859e-08 au
q 1.640785687966172 1.438e-07 au
i 8.476176065532622 6.7719e-06 deg
node 30.75546532913954 3.4268e-05 deg
peri 309.0833191859357 3.722e-05 deg
M 163.7384274902936 1.8794e-05 deg
tp 2458620.638510926384
(2019-May-17.13851093)
6.5128e-05 TDB
period 1274.900090749171
3.49
9.0252e-06
2.471e-08
d
yr
n .2823750681423615 1.999e-09 deg/d
Q 2.961234072159213 1.3975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      8666 days (23.73 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4716  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:19:24  

Additional Information
 Earth MOID = .64745 au 
 Jupiter MOID = 2.482 au 
 T_jup = 3.521 
[ 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 15.71   n/a E2021B55  

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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