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344327 (2001 VR38)
Classification: Main-belt Asteroid          SPK-ID: 2344327
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047444033605968 4.8464e-08  
a 2.374579822070876 1.4898e-08 au
q 2.12585587537595 1.1933e-07 au
i 7.354283492741801 5.3681e-06 deg
node 53.19768319875449 3.9858e-05 deg
peri 359.2320758204109 4.9009e-05 deg
M 134.976252104785 2.9185e-05 deg
tp 2458895.389560238189
(2020-Feb-15.88956024)
0.00010615 TDB
period 1336.529615403781
3.66
1.2578e-05
3.444e-08
d
yr
n .2693543007584159 2.5349e-09 deg/d
Q 2.623303768765802 1.6459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      7131 days (19.52 yr)  
   first obs. used      2001-10-24  
   last obs. used      2021-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:34:07  

Additional Information
 Earth MOID = 1.13632 au 
 Jupiter MOID = 2.69658 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458009.5 (2017-Sep-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039367459052334 4.8701e-08  
q 2.128332378738451 1.1983e-07 au
tp 2457555.993998989287
(2016-Jun-16.49399899)
0.00010192 TDB
node 53.2180686685866 3.9849e-05 deg
peri 358.6581228693265 4.9125e-05 deg
i 7.355281141998789 5.3698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      7131 days (19.52 yr)  
   first obs. used      2001-10-24  
   last obs. used      2021-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:34:07  

Additional Information
 Jupiter MOID = 2.69658 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.37183339904098E-15 -5.802057578980191E-15 -1.896684338258913E-12 -2.347598131485666E-14 -5.373720817918172E-13 -1.425142213214857E-15
q -5.802057578980191E-15 1.435987383850187E-14 4.994856366192303E-12 6.122924500000418E-14 1.425620037416552E-12 3.2792063061204E-15
tp -1.896684338258913E-12 4.994856366192303E-12 1.038788299214404E-8 7.11145964098833E-11 2.953298012685633E-9 -3.824838192633978E-12
node -2.347598131485666E-14 6.122924500000418E-14 7.11145964098833E-11 1.587956713343778E-9 -1.553322934636333E-9 -6.735218016905383E-11
peri -5.373720817918172E-13 1.425620037416552E-12 2.953298012685633E-9 -1.553322934636333E-9 2.413302419942895E-9 6.568441920620593E-11
i -1.425142213214857E-15 3.2792063061204E-15 -3.824838192633978E-12 -6.735218016905383E-11 6.568441920620593E-11 2.88352193230409E-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 17.01   n/a MPCxxxxx  

344327 (2001 VR38)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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