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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2581794793885936 5.4367e-08  
a 2.671798794216718 1.2096e-08 au
q 1.981995172494774 1.464e-07 au
i 5.645942972576803 4.9031e-06 deg
node 62.32560184578784 5.0895e-05 deg
peri 290.8058354797401 5.1486e-05 deg
M 149.1909098744975 9.396e-06 deg
tp 2458339.435382248576
(2018-Aug-08.93538225)
4.0626e-05 TDB
period 1595.159266678574
4.37
1.0832e-05
2.966e-08
d
yr
n .2256827938877782 1.5326e-09 deg/d
Q 3.361602415938663 1.5219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      9932 days (27.19 yr)  
   first obs. used      1992-11-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:58:42  

Additional Information
 Earth MOID = .98567 au 
 Jupiter MOID = 2.10359 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456893.5 (2014-Aug-24.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .258064999518501 5.4344e-08  
q 1.981798693925744 1.4622e-07 au
tp 2456737.580276331471
(2014-Mar-21.08027633)
3.9513e-05 TDB
node 62.66102963358963 5.107e-05 deg
peri 289.5274300138824 5.165e-05 deg
i 5.637571629582807 4.8884e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      729  
   data-arc span      9932 days (27.19 yr)  
   first obs. used      1992-11-23  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:58:42  

Additional Information
 Jupiter MOID = 2.10359 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.953277950722542E-15 -7.931832378993502E-15 8.10062011933397E-13 -1.848234366068867E-14 1.175436176797787E-13 -7.680787281036364E-16
q -7.931832378993502E-15 2.138091650408213E-14 -2.173733744301339E-12 5.022573121356138E-14 -3.147965865049047E-13 2.370064417055824E-15
tp 8.10062011933397E-13 -2.173733744301339E-12 1.561270537876268E-9 -3.92262194792653E-12 3.37576199635691E-10 -5.608812088940128E-13
node -1.848234366068867E-14 5.022573121356138E-14 -3.92262194792653E-12 2.608165002578347E-9 -2.595262064646217E-9 -5.932409053585109E-11
peri 1.175436176797787E-13 -3.147965865049047E-13 3.37576199635691E-10 -2.595262064646217E-9 2.667756894098071E-9 5.885481086139321E-11
i -7.680787281036364E-16 2.370064417055824E-15 -5.608812088940128E-13 -5.932409053585109E-11 5.885481086139321E-11 2.38965626348814E-11

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 15.4   n/a MPO459526  

111171 (2001 VL120)          Discovered 2001-Nov-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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