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111171 (2001 VL120)
Classification: Main-belt Asteroid          SPK-ID: 2111171
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2586055775840521 5.1715e-08  
a 2.670842635367515 1.1356e-08 au
q 1.980147833012187 1.397e-07 au
i 5.646692002375348 4.541e-06 deg
node 62.31140905887973 4.7329e-05 deg
peri 290.850798747994 4.7801e-05 deg
M 238.5453043365164 8.8118e-06 deg
tp 2459934.376644323872
(2022-Dec-20.87664432)
4.0297e-05 TDB
period 1594.30305184003
4.36
1.0168e-05
2.784e-08
d
yr
n .2258039960373367 1.4401e-09 deg/d
Q 3.361537437722843 1.4292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      10401 days (28.48 yr)  
   first obs. used      1992-11-23  
   last obs. used      2021-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:24:34  

Additional Information
 Earth MOID = .983018 au 
 Jupiter MOID = 2.10491 au 
 T_jup = 3.326 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457404.5 (2016-Jan-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2574842527070724 5.1634e-08  
q 1.986141274921837 1.3923e-07 au
tp 2456738.248301041064
(2014-Mar-21.74830104)
3.6589e-05 TDB
node 62.55631335793883 4.7512e-05 deg
peri 289.9619494304155 4.7977e-05 deg
i 5.634015267039665 4.524e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      804  
   data-arc span      10401 days (28.48 yr)  
   first obs. used      1992-11-23  
   last obs. used      2021-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48645  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:24:34  

Additional Information
 Jupiter MOID = 2.10491 au 
 T_jup = 3.326 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.666120843523447E-15 -7.176066153970566E-15 8.537412283622195E-13 -1.257707295378933E-14 1.42783831746898E-13 8.845856536188719E-18
q -7.176066153970566E-15 1.938465908245741E-14 -2.292538788311475E-12 3.75059789245581E-14 -3.810569943655091E-13 -4.097528692676837E-16
tp 8.537412283622195E-13 -2.292538788311475E-12 1.338767603252885E-9 -4.347132697620709E-13 2.771976979253525E-10 -2.426156899173223E-13
node -1.257707295378933E-14 3.75059789245581E-14 -4.347132697620709E-13 2.257380770414247E-9 -2.245595821436853E-9 -7.69972237215238E-11
peri 1.42783831746898E-13 -3.810569943655091E-13 2.771976979253525E-10 -2.245595821436853E-9 2.301832488943208E-9 7.646791974693921E-11
i 8.845856536188719E-18 -4.097528692676837E-16 -2.426156899173223E-13 -7.69972237215238E-11 7.646791974693921E-11 2.046633405647522E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.40   n/a MPCxxxxx  

111171 (2001 VL120)          Discovered 2001-Nov-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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