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150113 (1991 VX4)
Classification: Main-belt Asteroid          SPK-ID: 2150113
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2565330969411009 4.5299e-08  
a 2.360683770804972 8.3499e-09 au
q 1.755090252181777 1.0773e-07 au
i 7.393559869669807 5.027e-06 deg
node 24.06659786726488 2.3175e-05 deg
peri 21.6824453642764 2.4698e-05 deg
M 9.34179001348298 6.0152e-06 deg
tp 2459166.121830497966
(2020-Nov-12.62183050)
2.2179e-05 TDB
period 1324.814730674711
3.63
7.0289e-06
1.924e-08
d
yr
n .2717361089551418 1.4417e-09 deg/d
Q 2.966277289428167 1.0492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      913  
   data-arc span      10691 days (29.27 yr)  
   first obs. used      1991-11-04  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42169  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:10  

Additional Information
 Earth MOID = .765512 au 
 Jupiter MOID = 2.45892 au 
 T_jup = 3.495 
[ 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 16.05   n/a E2021B55  

150113 (1991 VX4)          Discovered 1991-Nov-04 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1991 VX4 = 2002 RA108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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