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186193 (2001 VF90)
Classification: Main-belt Asteroid          SPK-ID: 2186193
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2704507607059209 6.5251e-08  
a 2.629206705698635 1.098e-08 au
q 1.918135752089331 1.7169e-07 au
i 12.4512693762663 5.0191e-06 deg
node 90.7140085920316 2.9196e-05 deg
peri 295.7162804999584 2.9562e-05 deg
M 229.0996530153348 6.8628e-06 deg
tp 2459962.705157199060
(2023-Jan-18.20515720)
3.1296e-05 TDB
period 1557.168191582721
4.26
9.7544e-06
2.671e-08
d
yr
n .231188899147813 1.4482e-09 deg/d
Q 3.34027765930794 1.3949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      7227 days (19.79 yr)  
   first obs. used      2001-08-26  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:27:08  

Additional Information
 Earth MOID = .960259 au 
 Jupiter MOID = 2.21628 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457757.5 (2017-Jan-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2692202049162676 6.5191e-08  
q 1.922926452897795 1.7136e-07 au
tp 2458405.612160882944
(2018-Oct-14.11216088)
2.7945e-05 TDB
node 90.73693217933688 2.9201e-05 deg
peri 295.7357819661995 2.9573e-05 deg
i 12.44539866859446 5.0164e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      582  
   data-arc span      7227 days (19.79 yr)  
   first obs. used      2001-08-26  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:27:08  

Additional Information
 Jupiter MOID = 2.21628 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.249870176052133E-15 -1.115854118790639E-14 3.392012338747182E-13 -8.695081366788223E-15 8.32140618535803E-14 -2.107163757193392E-14
q -1.115854118790639E-14 2.936289925904598E-14 -8.481400017289572E-13 2.187894712844792E-14 -2.170209282244019E-13 5.615811953572926E-14
tp 3.392012338747182E-13 -8.481400017289572E-13 7.809339594731934E-10 3.188357468705316E-12 1.947119610153318E-10 -2.498594903563701E-12
node -8.695081366788223E-15 2.187894712844792E-14 3.188357468705316E-12 8.52722864337452E-10 -8.317235036509743E-10 -7.607567468110631E-11
peri 8.32140618535803E-14 -2.170209282244019E-13 1.947119610153318E-10 -8.317235036509743E-10 8.745666942247519E-10 7.374195441337941E-11
i -2.107163757193392E-14 5.615811953572926E-14 -2.498594903563701E-12 -7.607567468110631E-11 7.374195441337941E-11 2.516475457307492E-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 15.94   n/a E2021B55  
rotation period rot_per 1.8706 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

186193 (2001 VF90)          Discovered 2001-Nov-15 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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